A 1a, 3.3v Converter With High Efficiency And Small Footprint / Ab-23 - Microchip Application Note Published 16-Sep-05   (app note added 2/06)

A Can Physical Layer Discussion - National Semiconductor Application Note   (app note added 2/06)

A Fddi Ethernet Router - We have developed a powerful yet inexpensive and easy to construct experiment control system. The construction of the system together with the control software is described here. All circuits and software are free to download and use for nonprofit. The system was developed for the BEC (Bose-Einstein condensation) experiments....(circuits added 08/08)

A Laboratory Control System For Cold Atom Experiments - (electronic circuit added 4/05)

A Scenix And Pic Programmer - (diagram added 2/07)

A Serial Infrared Remote Controller - Microchip Application Note Published 16-Sep-02   (app note added 2/06)

A Simple Can Node Using The Mcp2510 And Pic12c67x - National Semiconductor Application Note   (app note added 2/06)

A Single Supply Rs-232 Interface For Bipolar A To D Converters - 09/02/99 EDN Design Ideas  /  (added 1/05)  [EDITOR'S NOTE: This article makes reference to six code listings. You may view m individually below, or download a single Zip file containing all  listings .] Designers have employed HDLs for more than a decade, using m to replace a schematic-based design methodology and to convey design ideas. Verilog and VHDL are  two most widely used HDLs for electronics design....

A Verilog Programming Language Interface Primer - Perhaps some of the most commonly available stepping motors, for the experimenter, are the head positioning motors from old diskette drives. These can be found at electronics swap meets, in computer surplus outlets, and even in trash dumpsters. In addition to a stepper, a typical full-height 5.25 inch disk drive includes a 12 volt DC motor with tachometer....(circuit design added 09/08)

A Worked Stepping Motor Example - National Semiconductor Application Note   (app note added 6/06)

A/D Converters Easily Interface With 70 Series Microprocessors - Fairchild Application Notes / (app note added 6/06)

Ab-10 / Substituting The Rc5051 For The Rc5050 - Fairchild Application Notes / (app note added 6/06)

Ab-12 / Insight Into Inductor Current - Fairchild Application Notes / (app note added 6/06)

Ab-13 / Method And Advantages Of Synchronizing Two Rc5051 Converters - Fairchild Application Notes / (app note added 6/06)

Ab-14 / Details Of Output Capacitor Selection For Pentium Ii Processor Converters Using The Rc5051 - Fairchild Application Notes / (app note added 6/06)

Ab-16 / Designing The Input Filter For A Pentium Ii Processor Converter - Fairchild Application Notes / (app note added 6/06)

Ab-18 / Using The Rc5051 For A Katmai Motherboard Design - Fairchild Application Notes / (app note added 6/06)

Ab-19 / Fan5230, Fan5233, Fan5235 Component Calculation Spreadsheet And Pspice Model Guide - Fairchild Application Notes / (app note added 6/06)

Ab-20 / Optimum Current Sensing Techniques In Cpu Converters - Fairchild Application Notes / (app note added 6/06)

Ab-22 / Output Voltage Drift In The Rc5039 - Fairchild Application Notes / (app note added 6/06)

Ab-23 / A 1a, 3.3v Converter With High Efficiency And Small Footprint - Fairchild Application Notes / (app note added 6/06)

Ab-24 / Understanding Droop And Programmable Active Droop™ - Fairchild Application Notes / (app note added 6/06)

Ab-26 / Using Other Voltages With The Fan5063 - Fairchild Application Notes / (app note added 6/06)

Ab-27 / Layout Guidelines For The Fan5240, Pwm Controller For Amd Mobile Athlon™ And Mobile Duron™ Processors - Fairchild Application Notes / (app note added 6/06)

Ab-8 / Selection Of Mosfets In switch Mode Dc-Dc Converters - Fairchild Application Notes / (app note added 6/06)

Ab-9 / Suppressing Mosfet  Gate Ringing In Converters: Selection Of A Gate Resistor - Fairchild Application Notes / (app note added 6/06)

Abr-6001 / Rc5051 Converter Design Template - Fairchild Application Notes / (app note added 6/06)

Abr-6002 / Rc5051 Dc-Dc Converter - National Semiconductor Application Note   (app note added 2/06)

Abt Design Considerations For Fault Tolerant Backplanes - ASCII format (added 3/03)

Ac switching With Triac From Ttl - 05/27/99 EDN-Design Ideas / (added 11/05)

Access Odd Memory Locations Without Hardware - (Design Ideas - EDN, 5/24/2007  A USB -to-serial converter forms the heart of an accurate USB temperature sensor. (electronic design idea added 5/2007)

Accurate USB 2.0 Temperature Sensor Needs Only A Handful Of Parts - (Design Ideas - EDN, 10/11/2007)  By transmitting appropriate hex values from a PC's serial port to a pair of IR LEDs, a remote-control IR receiver can enable 38.4-kHz data transmission. (electronic design idea added 11/07) 

Achieve Simple Ir-Data Transmission From A Pc’s Serial Port - DN34  Design Notes (Linear Technology) (app note added 2/06)

Active Termination For Scsi-2 Bus - (Design Ideas - EDN, 12/01/2006)  Ease debugging of bridge-output pulse-width-modulated audio amplifiers with this circuit. (electronic design idea added 12/06) 

Active-Filter Circuit And Oscilloscope Inspect A Class D Amplifier's Output - AN-293 Analog Devices Application Notes  (app note added 6/06)

Ad7574 Analog To Microprocessor Interface - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

Adaptive Differential Pulse Code Modulation Using The Pic16/17 - Microchip Application Note Published 26-Aug-97 (app note added 2/06)

Adc Interface Conditions High Level Signals - National Semiconductor Application Note   (app note added 6/06)

Adc16071/Adc16471 Analog Layout And Interface Design Considerations - 03/21/02 EDN Design Ideas  /  (added 1/05)  Microsoft Word has excellent drawing capabilities. You could use it effectively to perform some CAD tasks, such as schematic entry. Word is by far  most popular text processor on  market, and it would seem desirable for technical writers to be able to create a single integrated document file combining both text and graphics in an editable format....

Add Cad Functions To Microsoft Office - 03/21/02 EDN Design Ideas / (added 1/05)  Microsoft Word has excellent drawing capabilities. You could use it effectively to perform some CAD tasks, such as schematic entry. Word is by far most popular text processor on market, and it would seem desirable for technical writers to be able to create a single integrated document file combining both text and graphics in an editable format....

Add Current Boost To A USB Charger - National Semiconductor Application Note   (app note added 2/06)

Add Kelvin Sensing And Parallel Capability To 3-Terminal Regulators - Design Ideas EDN, 02/15/2007 Improved control circuit places monaural image in a stereo field.   (circuit added 6/07)

Add Simple Disable Function To A Panoramic-Potentiometer Circuit - 02/04/99 EDN-Design Ideas  / (added 11/05)   Adding speech capabilities to a design can sometimes lead to complex algorithms and expensive DSPs or specialized audio chips. However, with  completion of a simplified adaptive differential pulse-code-modulation (ADPCM) algorithm, you can now implement se audio capabilities in low-cost 8-bit µCs, which typically have lower power consumption and cost than ir DSP or audio-chip counterparts. A two-chip design is feasible by offloading  encoding and decoding tasks onto  µC as if it were a peripheral. Since 1991,  Interactive Multimedia Association (IMA) Digital Audio Technical Working Group (DATWG) has been working to define a cross-platform digital-audio exchange format. An inherent problem exists with  exchange of audio data...

Add Speech Encoding/Decoding To Your Design - 05/07/98 EDN-Design Ideas  / (added 11/05)   

Add switch-And-Led I/O To Dsp's Serial Port  - 05/30/02  EDN Design Ideas / (added 1/05)    Debates still persist in  engineering community about  relative merits of analog and digital controls of instrumentation. Meanwhile, a revolutionary new type of control—voice-command control—is gaining acceptance in many application areas (Reference 1). This Design Idea focuses on  practical implementation of  Voice Commander voice-command....

Add Voice Command To Virtual Instrumentation - (schematic / circuit (added (6/03)

Adding Second Joystick To PC Joystick Interface - DN329  Design Notes (Linear Technology) (app note added 1/06)

Addressable I˛C Bus Buffer Provides Capacitance Buffering Live Insertion And Nested Addressing In 2-Wire Bus Systems - AN-771-Analog Device Application Notes  (app note added 6/06) 

Adsp-Bf533 Ez-Kit Lite And Adf70xx Interface - AN-612 Analog Devices Application Note   (app note added 6/06)

Adt7463 Configurations - Microchip Application Note Published 11-Jun-02   (app note added 2/06)

Advanced Encryption Standard Using The Pic16xxx - DN336  Design Notes (Linear Technology) (app note added 2/06)

Advanced Topology USB Battery Charger Optimizes Power Utilization For Faster Charging - If you need to add simple data acquisition capabilities to your PC, n look no furr than  Analog Interface Unit. The Analog Interface Unit (AIU) is a simple circuit that connects to a PC parallel port, and allows you to sample and output 8-bit analog signals under software control.... (added 6/06)

Aiu: Analog Interface Unit - (electronic circuit added 4/05)

Aladin Interface - (electronic circuit added 4/05)

Aladin Interface Using Op-Amp - (electronic circuit added 4/05)

Amiga Midi Interface - (Design Ideas - EDN, 03/06/2008)  Using a simple ECL Schmitt trigger, you can convert three-level AMI signals to NRZI. (electronic design idea added 9/2008) 

Ami-To-Nrzi-Direct-Conversion Circuit Tolerates Unequalized Pulse Tails - Microchip Application Note Published 7-Sep-00   (app note added 2/06)

An I2c Network Protocol For Environmental Monitoring - This is the latest version of the Improved Infrared Receiver with Status LED which can control any desktop PC with an ordinary remote control. The project comes along with a small PCB in order to save space. It connects to the serial port as stated in the schematic and uses the freeware Girder (www.girder.nl) software together with Igor’s Plugin (www.cesko.host.sk/girderplugin.htm) to send commands to the PC. The potential uses....(circuits added 08/08)

An Improved Infrared Receiver With Status Led (Billy's Plug) - National Semiconductor Application Note   (app note added 2/06)

An Introduction To Ibis     I/O Buffer Information Specification Modeling - Microchip Application Note Published 16-Sep-05   (app note added 2/06)

An Introduction To The Can Protocol That Discusses The Basics And Key Features. - National Semiconductor Application Note   (app note added 2/06)

An Introduction To The Differential Scsi Interface - Microchip Application Note Published 4-May-04   (app note added 2/06)

An Introduction To USB Descriptors: With A Gameport To USB Gamepad Translator Example - Microchip Application Note Published 6-Aug-03   (app note added 2/06)

An Snmp Agent For The Microchip TCp/Ip Stack - (app note added 6/07)

An074 Interfacing The Cs5525, Cs5526, And Cs5529 To The 80c51 Microcontroller - (app note added 6/07)

An083 Ethernet Controller Technical Reference Manual - (app note added 6/07)

An086 Guidelines For Implementing Low-Cost Ethernet On The Motherboard - (app note added 6/07)

An087 Technical Report: PC Wakeup Via Ethernet - (app note added 6/07)

An088 Interfacing The Cs5525, Cs5526, And Cs5529 To The Pic16f84 - (app note added 6/07)

An089 Interfacing The Cs5525, Cs5526, And Cs5529 To The 68hc05 - Microchip Application Note Published 12-Jul-05   (app note added 2/06)

An1000: Using The Mssp Module To Interface Spi? Serial Eeproms With Pic18 Devices - Microchip Application Note Published 30-Aug-05   (app note added 6/06)

An1003: USB Mass Storage Deviceusing A Pic Mcu - Microchip Application Note Published 1-Sep-05   (app note added 2/06)

An1004: Using The C18 Compiler To Interface Microwire Serial Eeproms To Pic18 Devices - Microchip Application Note Published 10-Oct-05   (app note added 2/06)

An1006: Interfacing Spi?Tm Serial Eeproms To Pic18 Devices - National Semiconductor Application Note   (app note added 2/06)

An-1013: Video Amplifier Design For Computer Monitors - Microchip Application Note Published 15-Dec-05   (app note added 2/06)

An1018: Using The C18 Compiler To Interface Spi?Serial Eeproms With Pic18 Devices - Microchip Application Note Published 23-Jan-06   (app note added 2/06)

An1020: Interfacing Microchip Microwire Serial Eeproms To Picmicro® Microcontrollers - Microchip Application Note Published 16-Jan-06   (app note added 2/06)

An1023: Using The C18 Compiler And The Mssp To Interface Microwire Eeproms With Pic18 Devices. - National Semiconductor Application Note   (app note added 2/06)

An-1048: Replacing Dedicated Protocol Controllers With Code Efficient And Configurable Microcontrollers-Low Speed Can Network Applications - National Semiconductor Application Note   (app note added 2/06)

An-1055: Low-Cost Multiple Output Flyback Converter For I/O Cards - National Semiconductor Application Note   (app note added 2/06)

An-1057: Ten Ways To Bulletproof Rs-485 Interfaces - National Semiconductor Application Note   (app note added 2/06)

An-1059: High Speed Transmission With Lvds Link Devices - National Semiconductor Application Note   (app note added 2/06)

An-1074: Can Products From National Semiconductor Users Guide And Application Note - National Semiconductor Application Note   (app note added 2/06)

An-1084: Parallel Application Of High Speed Link - National Semiconductor Application Note   (app note added 2/06)

An-1085:Fpd-Link Pcb And Interconnect Design-In Guidelines - National Semiconductor Application Note   (app note added 2/06)

An-1087: Cascaded Unmanaged Repeater Applications - National Semiconductor Application Note   (app note added 2/06)

An-1108: Channel-Link Pcb And Interconnect Design-In Guidelines - National Semiconductor Application Note   (app note added 2/06)

An-1111: An Introduction To Ibis     I/O Buffer Information Specification Modeling - National Semiconductor Application Note   (app note added 2/06)

An-1163: Tft Data Mapping For Dual Pixel Ldi Application: Alternate A: Color Map - National Semiconductor Application Note   (app note added 6/06)

An-1194: Failsafe Biasing Of Lvds Interfaces - National Semiconductor Application Note   (app note added 2/06)

An-1238: Wide Bus Applications Using Parallel Blvds Serdes Devices - National Semiconductor Application Note   (app note added 2/06)

An-1263: Dp83865 Gig Phyter V 10/100/1000 Ethernet Physical Layer Design Guide - National Semiconductor Application Note   (app note added 2/06)

An-1336: Clc030 Or Clc031 Control Port Bussed Operation - National Semiconductor Application Note   (app note added 2/06)

An-1376: External Serial Interface Reduces Simultaneous switching Output Noise In Fpgas - National Semiconductor Application Note   (app note added 2/06)

An-1399: Enabling Redundancy In Multi-Gigabit Links With Ds40mb200 Mux/Buffer - National Semiconductor Application Note   (app note added 2/06)

An-1401: Dp83848: Single 10/100 Mb/S Ethernet Transceiver Energy Detect Mode - National Semiconductor Application Note   (app note added 2/06)

An-1402: Dp83848: Single 10/100 Mb/S Ethernet Transceiver Initialization During Power Down Mode - National Semiconductor Application Note   (app note added 2/06)

An-1405: Dp83848 Single 10/100 Mb/S Ethernet Transceiver Reduced Media Independent Interface™ Rmii™ Mode - National Semiconductor Application Note   (app note added 2/06)

An-1408: Designing Power Over Ethernet Using Lm5070 And Dp83865 - National Semiconductor Application Note   (app note added 2/06)

An-1425: Differences Between National Semiconductor 10/100 Mb/S Ethernet Physical Layer Devices - Microchip Application Note Published 3-Apr-01   (app note added 2/06)

An16: TC7135 Microprocessor Interface TC7135 - (app note added 6/07)

An186: Bringing Up The Ep72/73xx Device - (app note added 6/07)

An187: Using The Ep72/7312 To Implement A Softmodem - (app note added 6/07)

An199: Dai Interface For Playing Mp3 Music - Application Note Microsemi 1202 (added 2/07)

An-2 Ultra2 Scsi White Paper - Microchip Application Note Published 16-Aug-00   (app note added 2/06)

An212: Smart Sensor Can Node Using The Mcp2510 And Pic16f876 - National Semiconductor Application Note   (app note added 2/06)

An-213: Safe Operating Areas For Peripheral Drivers - Microchip Application Note Published 26-Jul-00   (app note added 2/06)

An214: Thepicmicro Mcu As An Ieee 1451.2 Compatible Smart Transducer - Microchip Application Note Published 16-Sep-02   (app note added 2/06)

An215: A Simple Can Node Using The Mcp2510 And Pic12c67x - National Semiconductor Application Note   (app note added 2/06)

An-216: Summary Of Well Known Interface Standards - Microchip Application Note Published 16-Mar-01   (app note added 2/06)

An217: Keeloq Hcs30x, Hcs200 Stand-Alone Programmer - (app note added 6/07)

An218rev1: Interfacing The Ep7312 With Sdram - (app note added 6/07)

An225: Using The Cs5460a Auto-Boot Mode - (app note added 6/07)

An227: Calibrating The Cs5460a - Microchip Application Note Published 16-Sep-05   (app note added 2/06)

An228: A Can Physical Layer Discussion - (app note added 6/07)

An240 Ep9312 USB Version 1.1 Slave Reference Schematic - Microchip Application Note Published 24-Jan-03   (app note added 2/06)

An245: Interfacing The Mcp23016 I/O Expander With The Pic16f877a - (app note added 6/07)

An255 Populating The USB Components On The Edb9301 Development Board - (app note added 6/07)

An258 Ep93xx Power-Up And Reset Lockup Workaround - Microchip Application Note Published 7-Jul-03   (app note added 6/06)

An258: Low Cost USB Microcontroller Programmer The Building Of The Pickit™ 1 Flash Starter Kit - National Semiconductor Application Note   (app note added 2/06)

An-259: Ds3662-Thebus Optimizer - (app note added 6/07)

An263 Audio Conversion Systems Noise Calculations And Requirements - (app note added 6/07)

An266 How To Connect Nand Flash Memory To An Ep93xx - (app note added 6/07)

An271 Cirrus Seismic Evaluation Gui Installation Guide - National Semiconductor Application Note   (app note added 6/06)

An-274: Cmos A/D Converter Interfaces Easily With Many Microprocessors - AN-336B Analog Devices Application Notes  (app note added 6/06)

An-336b: Jpeg Compression-Software Based? Or Which Hardware Type? More Mysteries Clarified. - AN-345 Analog Devices Application Note   (app note added 6/06)   Know Your Ground and Signal Paths for Effective Designs. Current Flow Seeks Path of Least Impedance-Not Just Resistance....

An-345: Grounding For Low-And-High-Frequency Circuits - AN-348 Analog Devices Application Note   (app note added 6/06)   The Wrong Passive Component Can Derail Even  Best Op Amp or Data Converter. Here Are Some Basic Traps to WaTCh For.

An-348: Avoiding Passive-Component Pitfalls - AN-349 Analog Devices Application Notes  (app note added 09/08) Here's How CMOS Can be Protected Against Abuse

An-349: Keys To Longer Life For Cmos - Fairchild Application Notes / (app note added 6/06)

An-4002 / PC Power Supervisory Circuit With Ka3502 - Fairchild Application Notes / (app note added 6/06)

An-4003 / PC Power Supply Design With Ka3511 - Fairchild Application Notes / (app note added 6/06)

An-4109 / A Guide To The Design Of Current Feedback Control - Fairchild Application Notes / (app note added 6/06)

An-4115 / PC Smps Secondary Side Control Ic - National Semiconductor Application Note   (app note added 2/06)

An-413: Disk Interface Design Guide And Users Manual - Fairchild Application Notes / (app note added 6/06)

An-4136 / Dual Lcd Backlight Inverter Drive Ic - Fairchild Application Notes / (app note added 3/06)

An-42003 / Data Conversion Design Techniques For Process Control Applications - Fairchild Application Notes / (app note added 6/06)

An-42026 / Phase Modulated Pwm Topology With The Ml4818 - Fairchild Application Notes / (app note added 6/06)

An-42030 / Theory And Application Of The Ml4821 Average Current Mode Pfc Controller - Fairchild Application Notes / (app note added 6/06)

An-42036 / Pcb Grounding System And Fan2001/Fan2011 High Performance Dc-Dc Converters - Fairchild Application Notes / (app note added 6/06)

An-42043 / Ml4803 240w Off-Line Power Supply With Pfc - Fairchild Application Notes / (app note added 6/06)

An-42045 / Ml4824, A Novel Method For An Off-Line Pfc-Pwm Combo Controller - Fairchild Application Notes / (app note added 6/06)

An-42047 / Power Factor Correction Pfc Basics - National Semiconductor Application Note   (app note added 2/06)

An-435: Designing With The Lmc835 Digital-Controlled Graphic Equalizer - National Semiconductor Application Note   (app note added 2/06)

An-438:Low Power Rs-232c Driver And Receiver In Cmos - National Semiconductor Application Note   (app note added 2/06)

An-452: Microwire Serial Interface - National Semiconductor Application Note   (app note added 2/06)

An-457: High Speed, Low Skew Rs-422 Drivers And Receivers Solve Critical System Timing Problems - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An510: Implementation Of An Asynchronous Serial I/O - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An511: Pld Replacement - National Semiconductor Application Note   (app note added 2/06)

An-514: Timing Analysis Of Synchronous And Asynchronous Buses - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An515: Communicating With Iic Bus Using Pic16c5x - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An519: Implementing A Simple Serial Mouse Controller - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An534: Saving And Restoring Status On Interrupt - Microchip Application Note Published 26-Aug-97   (app note added 6/06)

An535: Logic Powered Serial Eeproms - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An536: Basic Serial Eeprom Operation - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An537: Everything A System Engineer Needs To Know About Serial Eeprom Endurance - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An541: Using Pic16c5x As A Smart Iic Peripheral - Microchip Application Note Published 26-Aug-97   (app note added 6/06)

An546: Using The Analog-To-Digital Converter - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An547: Serial Port Utilities Implementing Table Read And Table Write - Fairchild Application Notes / (app note added 6/06)

An-55 / Guidelines For Rc5035/36 Motherboard Designs - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An554: Software Implementation Of I˛C Bus Master - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An555: Software Implementation Of Asynchronous Serial I/O - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An559: Optimizing Serial Bus Operations With Proper Write Cycle Times - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An566: Using The Port B Interrupt On Change As An External Interrupt - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An569: Hardware And Software Resolution For A Pointing Device - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An571: Communicating With Eeprom In Mta8xxxx - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An572: Questions And Answers Concerning Serial Eeproms - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An575: Ieee 754 Compliant Floating Point Routines - National Semiconductor Application Note   (app note added 2/06)

An-579: Microwire/Plus Serial Interface - Microchip Application Note Published 22-Nov-99   (app note added 2/06)

An579: Using The 8-Bit Parallel Slave Port - Fairchild Application Notes / (app note added 6/06)

An-59 / Interfacing A PC Parallel Port To The Tmc22x5y Rbus Serial Interface - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An591: Apple Desktop Bus - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An593: Serial Port Routines Without Using The RTCc - Application Note Microsemi 1301 (added 2/07)

An-6 Power Solutions For Flexible Motherboards - Zetec Semiconductors  Applications Notes A brief discussion of  drive requirements of relatively high current inductive loads within computer peripheral equipment, with respect to  benefits possible with optimised small packaged components.   (app note added 2/06)

An6 The Use Of Zetex E-Line Transistors In Motor And Solenoid Driver Functions Within Printers: Effective Logic To High Current Load Interfacing - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An610: Using The 24lc21 Dual Mode Serial Eeprom - AN-612 Analog Devices Application Note   (app note added 6/06)

An-612: Adt7463 Configurations - AN-613 Analog Devices Application Note   (app note added 6/06)

An-613: Programming The Automatic Fan Speed Control Loop - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An614: Interfacing The 8051 With 2-Wire Serial Eeproms - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

An646: Interfacing Motorola 68hc11 To Microchip's Spi?Serial Eeprom - Microchip Application Note Published 26-Aug-97   (app note added 6/06)

An649: Yet Another Clock Featuring The Pic16c924 - Microchip Application Note Published 22-Nov-99   (app note added 2/06)

An656: In-Circuit Serial Programming Of Calibration Parameters Using A Picmicro® Microcontroller - National Semiconductor Application Note   (app note added 2/06)

An-656: Understanding The Operation Of A Crt Monitor - National Semiconductor Application Note   (app note added 2/06)

An-664: Isdn Basic Rate Interface Terminal Equipment - National Semiconductor Application Note   (app note added 2/06)

An-665: Tp3420a S Interface Devicesid User's Guide - National Semiconductor Application Note   (app note added 2/06)

An-689: Bmac Hardware Design Guide - Microchip Application Note Published 13-Apr-00   (app note added 6/06)

An695: Interfacing Pressure Sensors To Microchip's Analog Peripherals - AN-699 Analog Devices Application Note   (app note added 6/06)

An-699: Noise Filtering And The Adt7461 - AN-700 Analog Devices Application Notes  (app note added 6/06)

An-700: Instructions For The Ad9865/Ad9866 Evaluation Software - AN-702 Analog Devices Application Note   (app note added 6/06)

An-702: Using Theadt7461 As A Multichannel Temperature Sensor - Microchip Application Note Published 29-Jul-04   (app note added 2/06)

An709: System Level Design Considerations When Using I2c Serial Eeprom Devices - Microchip Application Note Published 1-Apr-99   (app note added 2/06)

An712: Rs-232 Autobaud For The Pic16c5x Devices - Microchip Application Note Published 16-Sep-05   (app note added 2/06)

An713: An Introduction To The Can Protocol That Discusses The Basics And Key Features. - Microchip Application Note Published 7-Sep-00   (app note added 2/06)

An736: An I2c Network Protocol For Environmental Monitoring - National Semiconductor Application Note   (app note added 2/06)

An-739: Rs-232c Interface With Cop800 - AN-755 Analog Devices Application Note   (app note added 6/06)

An-755: Eeprom Checksum Information For The Adm1060 - Microchip Application Note Published 18-Jul-02   (app note added 2/06)

An759: Interface Control Document For The 13.56 Mhz Anti-Collision Interrogator - AN-772 Analog Devices Application Note   (app note added 6/06)

An-772: A Design And Manufacturing Guide For The Lead Frame Chip Scale Package - Microchip Application Note Published 12-Nov-02   (app note added 6/06)

An782: TC7660 Powers Rs-232 Data Loop TC7660, TC7660h, TC7660s - Microchip Application Note Published 12-Nov-02   (app note added 6/06)

An787: Using The TC1264 For Single-Ended Scsi Active Termination - National Semiconductor Application Note   (app note added 2/06)

An-796: Isdn Basic Access Components For The Design Of Isdn Peripherals - Microchip Application Note Published 26-Apr-02   (app note added 2/06)

An811: The Rs-232/Dali Bridge Interface - Microchip Application Note Published 13-Feb-02   (app note added 6/06)

An827: Using Keeloq To Validate Subsystem Compatibility - National Semiconductor Application Note   (app note added 2/06)

An-829: Ieee 1194.1 Btl-Enabling Technology For High Speed Bus Applications - National Semiconductor Application Note   (app note added 2/06)

An-847: Failsafe Biasing Of Differential Buses - Microchip Application Note Published 25-Oct-02   (app note added 2/06)

An858: Interfacing The Mcp215x To A Host Controller - Microchip Application Note Published 6-Aug-03   (app note added 2/06)

An870: An Snmp Agent For The Microchip TCp/Ip Stack - National Semiconductor Application Note   (app note added 2/06)

An-872: Tp3420a Line Interface Circuit Considerations - National Semiconductor Application Note   (app note added 2/06)

An-873: Architectural Choices For Network Performance - National Semiconductor Application Note   (app note added 2/06)

An-876: Inter-Operation Of The Ds14c335 With +5v Uarts - National Semiconductor Application Note   (app note added 2/06)

An-880: Network Benchmarking - Microchip Application Note Published 11-Feb-04   (app note added 2/06)

An903: 8k And 16k Microwire Eeprom Enhancements - National Semiconductor Application Note   (app note added 2/06)

An-904: An Introduction To The Differential Scsi Interface - National Semiconductor Application Note   (app note added 2/06)

An-905: Serial Digital Video And Interface Rapidesigner Operation And Applications Guide - Microchip Application Note Published 18-Aug-05   (app note added 2/06)

An909: Interfacing Spi? Serial Eeproms To Pic16 Devices - National Semiconductor Application Note   (app note added 2/06)

An-913: Tp3410 2biq U Interface Deviceusers Manual - Microchip Application Note Published 3-Mar-04   (app note added 2/06)

An914: Dynamic Memory Allocation For The Mplab® C18 C Compiler - National Semiconductor Application Note   (app note added 2/06)

An-914: Understanding Power Requirements In Rs-232 Applications - Microchip Application Note Published 6-Apr-04   (app note added 2/06)

An915: 1k, 2k And 4k Microwire Eeprom Migration - Microchip Application Note Published 16-Jun-04   (app note added 2/06)

An930: J1939 C Library For Can-Enabled Picmicro® Microcontrollers - Microchip Application Note Published 13-Jul-04   (app note added 2/06)

An946: Interfacing The Mcp2122 To The Host Controller - Microchip Application Note Published 19-Nov-04   (app note added 2/06)

An950: Power Management For Pic18 USB Microcontrollers With Nanowatt Technology - Microchip Application Note Published 3-Dec-04   (app note added 2/06)

An956: Migrating Applications To USB From Rs-232 Uart With Minimal Impact On PC Software - Microchip Application Note Published 27-Jun-05   (app note added 2/06)

An962: Implementing Auto Baud On Dspic30f Devices - Microchip Application Note Published 31-Jan-05   (app note added 6/06)

An971: USB Port-Powered Li-Ion/Li-Polymer Battery Charging - National Semiconductor Application Note   (app note added 2/06)

An-972: Inter-Operation Of Interface Standards - National Semiconductor Application Note   (app note added 2/06)

An-975: Designing Multiple Function PC Cards - Microchip Application Note Published 11-Mar-05   (app note added 2/06)

An975: Using The Mssp Module To Interface Microwire Serial Eeproms To Pic16 Devices - National Semiconductor Application Note   (app note added 2/06)

An-976: Multiple Function Interface Design Challenges - Microchip Application Note Published 28-Feb-05   (app note added 2/06)

An976: Using The Mssp Module To Interface I2c? Serial Eeproms With Pic16 Devices - Microchip Application Note Published 25-Feb-05   (app note added 2/06)

An979: Interfacing I2c? Serial Eeproms To Pic18 Devices - National Semiconductor Application Note   (app note added 2/06)

An-979: Thepractical Limits Of Rs-485 - Microchip Application Note Published 16-May-05   (app note added 2/06)

An989: Using The Mssp Module To Interface I2c? Serial Eeproms With Pic18 Devices - Microchip Application Note Published 24-May-05   (app note added 2/06)

An991: Using The C18 Compiler And The Mssp To Interface I2cs Eeproms With Pic18 Devices - Microchip Application Note Published 20-Jun-05   (app note added 2/06)

An993: Interfacing Microwire Serial Eeproms To Pic16 Devices - Microchip Application Note Published 28-Jun-05   (app note added 2/06)

An995: Using The C18 Compiler And The Mssp To Interface Spi? Eeproms With Pic18 Devices - Microchip Application Note Published 29-Jun-05   (app note added 2/06)

An997: Using The C18 Compiler To Interface I2cs Serial Eeproms With Pic18 Devices - Microchip Application Note Published 11-Jul-05   (app note added 2/06)

An999: Interfacing Microwire Serial Eeproms To Pic18 Devices - (circuit / schematic design added 6/06)

Analog Midi Synthesizer - 01/22/04 EDN Design Ideas  / (added 10/05)  This Design Idea describes a way to increase  number of analog inputs to your microcontroller for cases in which adding an analog-multiplexer chip or upgrading to a microcontroller with more inputs might be impractical. If  microcontroller you're using has some spare I/O pins and at least one of m is bidirectional or is amenable to tristating, you can configure a simple analog multiple...

Analog Multiplexer Uses Flying Capacitors - ASCII format (added 7/02)

Analog Signal Acquisition For PC Printer Port - 11/22/01 EDN Design Ideas  /  (added 1/05)  Perhaps  most effective way to gain board space and increase component density is to minimize wiring on  board. A widely used architecture that allows such miniaturization is  I2C bus. Comprising only a bidirectional data line, SDA, and a clock line, SCL, this bus requires no chip selects or or additional connections....

Analog switch Expands I 2 C Interface - (schematic / circuit added 10/02)

Analog-To-Digital Conversion Notes For Pic Processor - Normally analogue-to-digital con-verter (ADC) needs interfacing through a microprocessor to convert analogue data into digital format. This requires hardware and necessary software, resulting in increased complexity and hence  total cost. The circuit of A-to-D converter shown here is configured around ADC 0808, avoiding  use of a microprocessor. …. (added 10/05)

Analog-To-Digital Converter - (electronic circuit added 11/05)

Analogue To Digital Converter For PC Serial Port - Agilent Application Note   (app note added 6/06)

Analyze Analog Signal Data With A Pc-Hosted Logic Analyzer And Excel - Supertex Semiconductors  (app note added 2/06)

An-H20: Hvcmos Drivers For Non-Impact Printing - 10/2004, AN26UREVC : 169 Kb (Apex App Note added 08/08/08)

Apex-An26 Parallel Connection - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

Apple Desktop Bus - (electronic circuit added 4/05)

Apple Ii/Ii+/Iie Ide Drive Interface - (electronic circuit added 4/05)

Apple Mac To Midi Synthesizer Interface Cable - National Semiconductor Application Note   (app note added 2/06)

Apple Macintosh Ethernet Add-In Card - (electronic circuit added 4/05)

Apple Macintosh Midi Interface Schematic Basic Version - (electronic circuit added 4/05)

Apple Macintosh Midi Interface Schematic Deluxe Version - Micrel Application Note MIC2527 Voltage Drop, Packaging, and PCB Layout (app note added 6/06)

Application Hint 30 - Micrel Application Note Universal Serial Bus Power Management (app note added 6/06)

Application Note 17 - Micrel Application Note Dual Current-Limiting switch for USB Applications (app note added 6/06)

Application Note 32 - Pericom Semiconductor Application Note # 015 (app note added 2/05)

Application Of Zero-Delay Buffers In switched Ethernet - ….(circuit design added 08/08)

Aquacont - Aquarium Control - National Semiconductor Application Note   (app note added 2/06)

Architectural Choices For Network Performance - (electronic circuit added 4/05)

Assorted Computer Interface Circuits - (circuit added 7/02)

AT PC Power Supply 1 - (electronic design added 6/07)

AT PC Power Supply 2 - (electronic design added 6/07)

AT PC Power Supply 3 - (electronic design added 6/07)

AT PC Power Supply 4 - (electronic design added 6/07)

AT PC Power Supply 5 - (electronic design added 6/07)

At89c2051/4051connecting Dumb Terminal - (circuit added 7/02)

At89c2051/4051stepper Motor Interface - This is versatile development board for AVR microcontrollers ATmega48/88/168. It is good for testing and debugging embedded programs. It has many built-in peripheries connected to microcontroller …(circuit added 04/05/06)

Atmega48/88/168 Development Board - (circuit schematic added 6/07)

Attiny12 Fuse Restorer - (schematic / circuit added 6/07)

Attobasic At90s8515/Atmega8515 And Atmega163  - (circuit schematic added 6/07)

Attobasic Byte-Wide Interpreter For Attiny2313 And At90s2313 - This is a continuation of the work on AttoBaisc for the ATMega8515/AT90S8515…(added 6/07)

Attobasic With 32k Of External Sram  - 8 channel switch.  (circuit added 8/06)

Audio / Video switch - 06/05/97 EDN-Design Ideas / (added 11/05)  

Audio Dsp Provides Flexible Serial I/O  - AN-348 Analog Devices Application Note   (app note added 6/06)   The Wrong Passive Component Can Derail Even  Best Op Amp or Data Converter. Here Are Some Basic Traps to WaTCh For.

Avoiding Passive-Component Pitfalls - schematic for an ATMega323 boards ( Mega is pin compatible with  AT90S8535) The main interface to this board is RS232  (added 6/06)

Avr 323 Board - (schematic / circuit added 6/07)

Avr 8 And 20 Pin Programming Adapter  - (electronic circuit added 7/03)

Avr Based Serial Port Ir Receiver - (circuit added 6/07)

Avr Firmware Monitor Program - 10/17/02  EDN Design Ideas / (schematic / circuit added 11/03)  The circuit in Figure 1 provides a novel method of reading  pulse train using an Atmel (www.atmel.com) AVR processor, from a typical radio-controlled receiver, and to determine  velocity of a motor. To capture  pulse train from a typical receiver, you need an external interrupt that triggers based on a rising and a falling edge..

Avr Microcontroller Makes Improved Motor Controller - With this project you can show the temperature on you PC. This thermometer plugs on any free serial port. It gives temperature readings accurate to 0.5°C with no calibration.The project consists of the AVR 2313 Project board and the DS1621 Thermometer board and software for the PC. ….(electronic schematic added 11/08)

Avr PC Thermometer - These are four different AVR programmers that can be controlled via standard ports of a PC.  (added 10/05)

Avr Programmers - Note that the AVR910 programmer does not support all AVR processors, especially the newest chips. Be sure to check the documentation to see if it supports the version(s) of the processor you are interested in…(added 6/07)

Avr Serial Programmer - RemoteSensor is a wireless thermo- and hygrometer with an USB port on the receiver. You can draw fancy diagrams of temperature and humidity for up to 16 wireless sensors. ….(circuit design added 11/08)

Avr-USB Remote Sensor - Circuit Ideas for Designers Application Notes Advanced Linear Devices, Inc.  (app note added 6/06)

Band-Pass Network - 09/12/97 EDN-Design Ideas / (added 2/06)  Logarithms greatly simplify mamatical operations. Factoring, however, presents a problem: Pocket calculators are clumsy when it comes to that operation. The program factor.bas (Listing 1) is a convenient alternative if you want to obtain results in 3 minutes or less (that is, turn on  computer, put  disk in  b: drive, select "qbasic," run  program, ....

Basic Routine Simplifies Factoring  - Microchip Application Note Published 26-Aug-97   (app note added 2/06)

Basic Serial Eeprom Operation - (diagram added 1/07)

Basic Stamp I & PC Relay Controller - ….(electronic schematic added 08/08)

Basic Ups Power Supply - The quickest way to display something is probably sending the data to the computer to be displayed on the monitor. One of the ways to do this is to use the USART module on board the PIC Microcontroller by making use of the pins RC6 and RC7 which is also the TX and RX pins respectively when the SPEN bit on the RCSTA register is set. ….(design added 11/08)

Basic USB -Rs232 Communication With Pic Microcontrollers - EDN 11/7/96 Novel two transistor connection converts 5V logic signals to 3V logic signals without laTChup. This flexible architecture works for 1V to 12V conversions as well. Voted best of issue!

Bi-Directional Level Translator - 12/21/00 EDN-Design Ideas / (added 2/06)  / PDF contains multiple circuits scroll to find this circuit

Bios Interrupt Does Eight Channel Frequency Counting - 03/16/00 EDN-Design Ideas / (added 2/06)

Bios Interrupt Performs A/D Conversion - Intersil Application Block Diagram  (app note added 6/06)

Blade PC - Intersil Application Block Diagram  (app note added 6/06)

Blade Server - National Semiconductor Application Note   (app note added 08/08/08)

Bmac Hardware Design Guide - 04/25/96 EDN-Design Ideas / (added 2/06) 

Boot Loader For Tms320 Uses Bytewide Eprom - (electronic schematic added 6/060

Buddy Box Lead Connections - 09/02/04 EDN Design Ideas  /  (added 1/05)  DC coupling of single-ended signals into differential-input, single-supply ADCs can be challenging. The input signal requires level shifting from ground to VS/2 as well as single-ended-to-differential conversion. In addition, you must balance  differential inputs of  ADC to cancel even-order harmonics and common-mode noise....

Buffer Adapts Single Ended Signals For Differential Inputs - (Design Ideas - EDN, 07/05/2007)  Handling both 0 to 10V and 0- to 20-mA inputs, this circuit digitizes the inputs and feeds a low-cost microcontroller. (electronic design idea added 9/2008) 

Build A Complete Industrial-Adc Interface Using A Microcontroller And A Sigma-Delta Modulator - Until recently many of the ham radio operating modes required specialist equipment that most often had to by build and was exclusive to the task. Enter the Personal Computer. The PC made life a little easier for the ham as it was now able to take over some of the jobs that bespoke hardware did. But it still wasn't quite there yet. The task of the PC was mainly to be a 'front end' ...  (circuit / schematic added 6/07)

Build A Hamcomm Data Slicer - Note that the AVR910 programmer does not support all AVR processors, especially the newest chips. Be sure to check the documentation to see if it supports the version(s) of the processor you are interested in…(added 6/07)

Build A Simple Serial Programmer For Avr Devices - 12/16/2005  EDN Design Ideas  / (added 05/07)    Roll-your-own USB -based instrumentation bus.

Build A USB -Based Gpib Controller - ASCII format (circuit design added 9/06)

Build Logic Gates Using Discrete Parts  - (schematic / circuit added 2/07)

Build Your Own Irda Sir Transceiver Dongle Using Mcp2120 - (schematic / circuit (added (6/03)

Build Your Own Joysticks - (circuit diagram added 09/08)

Build Your Own Printer Cable Lcd Display - Pericom Semiconductor Application Brief # 013 (app note added 2/05)

Bus switch Applications For Laptop Computers; Memory Modules; A/D Video; ETC - (schematic diagram added 2/07)