C 52 EVB Robot Controller:  (circuit added 7/02)

C function turns PC into serial-bus master:  09/02/96 EDN-Design Ideas  /  (Circuit / schematic design added 6/06)

C Program simulates industrial temperature system:  11/10/94 EDN Design Ideas /  (Circuit / schematic design added 6/06)

Calculating Frequency Setting Resistors when Using the ML4835 / ABR-42019:  Fairchild Application Notes / (app note added 6/06)

Calculating Program Memory Checksums using a PIC16F87X:  Microchip Application Note - Published 6-Nov-98   (added 2/06)

Can Bootloader for PIC18f can Microcontrollers:  Microchip Application Note - Published 27-Aug-04   (added 2/06)

Can System using Multiple MCP25050 I/O Expanders:  Microchip Application Note - Published 4-Nov-02   (added 2/06)

Canopen Stack for PIC18 Ecan Microcontrollers:  Microchip Application Note - Published 12-Oct-05   (added 2/06)

CB-6: RAM Keep-Alive:  National Semiconductor - Application Note (app note added 2/06)

Ceramic Dual-in-Line Package (Cerdip):  National Semiconductor - Application Note (app note added 2/06)

Ceramic Flatpack:  National Semiconductor - Application Note (app note added 2/06)

Ceramic Leadless Chip Carrier  (LCC):  National Semiconductor - Application Note (app note added 2/06)

Ceramic Pin Grid Array (CPGA):  National Semiconductor - Application Note (app note added 2/06)

Ceramic Quad Flatpack (CQFP):  National Semiconductor - Application Note (app note added 2/06)

Ceramic Quad J-Bend    (CQJB):  National Semiconductor - Application Note (app note added 2/06)

CeramIC Sidebrazed Dual-in-Line Packages     (SB):  National Semiconductor - Application Note (app note added 2/06)

CeramIC Small Outline Package (CSOP):  National Semiconductor - Application Note (app note added 2/06)

Cerpack:  National Semiconductor - Application Note (app note added 2/06)

Cerquad, EIAJ:  National Semiconductor - Application Note (app note added 2/06)

Chinese Translation: Design Guidelines for Off-line Forward Converters using FPS / AN-4134SC:  Fairchild Application Notes / (app note added 6/06)

Chip Set Offers Low Cost Alternative to 48V Telecom Modules:  DN261 -  Design Notes (Linear Technology) (added 1/06)

Circuit Controls ratiometric or simultaneous Power up of multiple rails:  05/13/04 EDN Design Ideas  /  (added 1/05)  Many applications use FPGAs, ASICs, or DSP chips, which usually require multiple voltage rails, typically two: the core voltage and the I/O voltage. The core voltage is usually lower than the I/O voltage. Guidelines for determining how to power up two or more voltage rails depend on the part and the manufacturer you use....

Circuit Programs Atmel AVR microcontrollers:  03/30/00 EDN-Design Ideas / (added 2/06)

Circuit Provides 4 to 20 Ma Loop for Microcontrollers:  05/27/04 EDN Design Ideas  /  (added 1/05)  The 4- to 20-mA current loop is ubiquitous in the world of controls in manufacturing plants. Discrete logic, microprocessors, and microcontrollers easily cover the digital portions of control schemes. Interfacing a 4- to 20-mA output to a rudimentary microcontroller can be problematic.

Circuit provides Watchdog for microControllers:  12/26/02 EDN Design Ideas  /  (added 1/05)  The watchdog circuit in Figure 1 uses a single NAND Schmitt-trigger IC. The circuit is more cost-effective than dedicated, commercially available watchdog ICs. The circuit generates an active-high reset signal upon power-up and remains in a low state as long as the control input receives pulses. Whenever the pulsing at the control input stops, whether the circuit is in a high or a low state, th......

CLC to LMH Conversion Table:  National Semiconductor - Application Note (app note added 2/06)

CLC018EB CLC018 Evaluation Board:  National Semiconductor - Application Note (app note added 2/06)

CLC034 PCB Layout Techniques:  National Semiconductor - Application Note (app note added 2/06)

CLC103EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC109EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC110EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC111EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC114EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC115EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC200EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC206EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC231EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC431EB Evaluation Board:  National Semiconductor - Application Note (app note added 2/06)

CLC503EB Evaluation Board:  National Semiconductor - Application Note (app note added 2/06)

CLC532EB Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC533 Evaluation Boards:  National Semiconductor - Application Note (app note added 2/06)

CLC561EB Evaluation Board:  National Semiconductor - Application Note (app note added 2/06)

CLC5902 Diversity Receiver Chipset:  National Semiconductor - Application Note (app note added 2/06)

CLC5956 Diversity Receiver Chipset:  National Semiconductor - Application Note (app note added 2/06)

CLC730061EB Active Filter Evaluation Board:  National Semiconductor - Application Note (app note added 2/06)

Clearing the Software Write-Protect Feature on the 24LCS52:  Microchip Application Note - Published 23-Feb-04   (added 2/06)

Clock Design using the PIC16c54 for LED Displays and Switch Inputs:  Microchip Application Note - Published 26-Aug-97   (added 2/06)

Closed Caption Decoder:  This is a closed-caption decoder with serial output, based on a PIC16C71, an Élantec EL4581C sync separator, and an LM393 dual comparator (for data slicing with automatic threshold). (Electronic Circuit diagram added 03/03)

CN-4: The COP444L Evaluation:  National Semiconductor - Application Note (app note added 2/06)

CN-5: Oscillator Characteristics of COPS Microcontrollers:  National Semiconductor - Application Note (app note added 2/06)

CN-6: TRIAC Control using the COP400 Microcontroller Family:  National Semiconductor - Application Note (app note added 2/06)

Code development for the PIC16C52:  Microchip Application Note - Published 26-Aug-97   (added 2/06)

Combination Lock (PIC16F84):  (Electronic circuit added 10/03)

Communicating with the MCP3221 using PICmicro® Microcontrollers:  Microchip Application Note - Published 2-Aug-02   (added 2/06)

CompactPCI in Wireless Base Stations:  Agilent Application Note  (app note added  6/06)

Comparing CAN and ECAN Modules:  Microchip Application Note - Published 5-Mar-04   (added 2/06)

Comparison macro for PIC processors:  03/02/00 EDN-Design Ideas  / (added 2/06)   

Comparison of COP82xCJ to the Enhanced COP8SAx7 Family:  National Semiconductor - Application Note (app note added 2/06)

Comparison of COP878x to the Enhanced COP8SAx7 Family:  National Semiconductor - Application Note (app note added 2/06)

Comparison of COP8SAx7 to the Flash Based COP8TAx9 Family:  National Semiconductor - Application Note (app note added 2/06)

Comparison of Differential Termination Techniques:  National Semiconductor - Application Note  (app note added  6/06)

Comparison of Low End 8 Bit Microcontrollers:  Microchip Application Note - Published 26-Aug-97   (added 2/06)

ConCurrent processing produces fast priority selector:  04/13/00 EDN-Design Ideas / (added 2/06)

Configuring the TMC22x5y to Pass Closed Caption Data / AN-52:  Fairchild Application Notes / (app note added 6/06)

Connecting a PICmicro® Microcontroller to a Standard Analog Telephone Line:  Microchip Application Note - Published 21-Aug-02   (added 2/06)

Connecting LED to PIC Micro I/O Pins:  (Electronic circuit added 7/03)

Connecting PIC12C508 8 to 93AA46 Serial Eprom:  (Electronic circuit added 7/03)

Connecting the mpc555 32 - bit microcontroller to the m616z08 sram:  AN1462 This AppNote describes a method of connecting the M616Z08 SRAM to the MPC555 Microcontroller.... Software must set up the MPC555 registers to make the control signals compatible with the M616Z08. How the registers are programmed is beyond the scope... (Circuit / schematic design added 6/06)

Controller Provides Multiple Alarm Driver Formats:  01/15/98 EDN-Design Ideas  /  (Schematic / circuit design added 08/05)  DC/DC converters for use inside the telephone handset require operation from the high-source-impedance phone line. Additionally, the CCITT specifications call for maximum on-hook power consumption of 25 mA. The dc/dc converter in Figure 1 is 70%-efficient at an input power of 25 mA, providing 5V at 3.4 mA. Controlled, low-peak switch current ensures that the ­48V input line experiences no excessive voltage drops during switching.

Conversion Program outputs BCD values :  12/04/97 EDN-Design Ideas / (added 2/06)  

Converting from 8051 to Microchip Assembler: A Quick Reference:  Microchip Application Note - Published 8-Oct-03   (added 2/06)

Converting from Motorola® HC08 to Microchip Assembler: A Quick Reference:  Microchip Application Note - Published 9-Jul-03   (added 2/06)

COP444L Evaluation:  National Semiconductor - Application Note (app note added 2/06)

COP8 Flash ISP HANDBOOK Virtual E2 Guide:  National Semiconductor - Application Note (app note added 2/06)

COP8 FLASH ISP HANDBOOK-Intro to ISP:  National Semiconductor - Application Note (app note added 2/06)

COP8 Instruction Set Performance Evaluation:  National Semiconductor - Application Note (app note added 2/06)

COP800 Based Automated Security/Monitoring System:  National Semiconductor - Application Note  (app note added  6/06)

COP8TAB9/TAC9 ISP HANDBOOK-Intro to ISP:  National Semiconductor - Application Note (app note added 2/06)

COPS Based Automobile Instrument Cluster:  National Semiconductor - Application Note  (app note added  6/06)

COPS Interrupts:  National Semiconductor - Application Note (app note added 2/06)

Coupler Theoretical Main-Line Loss Calculation  AN-30-004:  Application Note - MiniCircuits.com  (Circuit / schematic design added 6/06)

CRC Generating and Checking:  Microchip Application Note - Published 22-May-00   (added 2/06)

Creating a Multitasking Kernel for the COP8 Microcontroller:  National Semiconductor - Application Note (app note added 2/06)

Credit Card Reader using PIC12C509:  Microchip Application Note - Published 28-Oct-99   (added 2/06)

Crowbars and Clamps:  MicroNote 106 from Microsem - Reviews the major differences including the low on-state voltage of the crowbar and the ease of transition from conduction to non-conduction for the clamp. Trade-offs and applications are discussed. - (Circuit / schematic design added 6/06)

Debug and Integration of Complex Embedded Systems:  Agilent Application Note  (app note added  6/06)

Debugging an MCU-based CCD camera controller:  Agilent Application Note  (app note added  6/06)

Debugging Microcontroller-Based Designs:  Agilent Application Note  (app note added  6/06)

Debugging serial I/O:  Agilent Application Note  (app note added  6/06)

Decoding the HCS101 for Non-Secure Applications:  Microchip Application Note - Published 29-Jul-04   (added 2/06)

Definition of terms, Q&As-amp3-4:  Application Note - MiniCircuits.com  (Circuit / schematic design added 6/06)

Design Challenges in 5 GBPS Copper Backplanes:  National Semiconductor - Application Note (app note added 2/06)

Design guide : PSDsoft express and PSD4135:  AN1426AN1426 -AN1426 -AN1426 - See  1153 for more information on the JTAG port....  (Circuit / schematic design added 6/06)

Design guide PSD913f2/80c32:  AN1425 This AppNote is applicable to these other PSD9XXF family members, with only slight variations....  - Philips ' AN440 contains a RAM loader program (bootstrap loader)....  (Circuit / schematic design added 6/06)

Design Guidelines for Off-line Forward Converters using FPS / AN-4134:  Fairchild Application Notes / (app note added 6/06)

Design of Power Factor Correction Circuit Using FAN7527B / AN-4121:  Fairchild Application Notes / (app note added 6/06)

Designing a Digital Compass using the PIC18F2520:  Microchip Application Note - Published 8-Aug-05   (added 2/06)

Designing a Superheterodyne Receiver using an IF Sampling Diversity Chipset:  AN-502 - Analog Devices Application Notes  (Circuit / schematic design added 6/06)  The AD6600/AD6620 Chipset Simplifies Receiver Design

Designing an FCC Approved ASK rfPIC™ Transmitter:  Microchip Application Note - Published 2-Jan-03   (added 2/06)

Designing Energy Meters with the PIC16F873A:  Microchip Application Note - Published 12-Sep-05   (added 2/06)

Designing Low Noise Amplifiers for PCS Applications (8/25/97) :  Application Note - California Eastern Laboratories - Doc #923  (Circuit / schematic design added 6/06)

Developing a CDMA Handset ASIC with Reconfigurable System Prototyping:  Agilent Application Note  (app note added  6/06)

DeviceNet™ Group 2 Slave Firmware for PIC18 with CAN:  Microchip Application Note - Published 6-Oct-03   (added 2/06)

Digital Electronic Lock:  (added 11/05)

Digital Hardware Debug and System Integration: Improving Hardware and Software Debug of Digital Systems Symposium:  Agilent Application Note  (app note added  6/06)

Digital Potentiometer Programs and Stabilizes Voltage Reference:  05/30/02  EDN - Design Ideas / (added 11/03)    The potentiometer portion of a mixed-signal, digitally programmable potentiometer adds variability to an analog circuit, and its digital controls provide programmability. You can use a digital potentiometer in two ways in an analog circuit. You can use it as a two-terminal variable resistance, or rheostat, or as a three-terminal resistive divider..

Digital signal Controls sine generator:  05/15/03 EDN Design Ideas  /  (added 1/05)  The circuit of Figure 1 produces an accurate, variable-frequency sine wave for use as a general-purpose reference signal. It includes an eighth-order elliptic, switched-capacitor lowpass filter, IC3, which uses a 100-kHz square-wave clock signal that microcontroller IC2 generates. (Any other convenient square-wave source is also acceptable....

Digital Signal Processing with the PIC16C74:  Microchip Application Note - Published 26-Aug-97   (added 2/06)

Diversity Receiver Chipset:  National Semiconductor - Application Note (app note added 2/06)

Do-it-yourself splitters:  Application Note - MiniCircuits.com  (Circuit / schematic design added 6/06)

Dose Rate Response of Advanced CMOS Products:  National Semiconductor - Application Note (app note added 2/06)

Double your DSP cores for GSM base-station processors:  04/10/99 EDN-Design Ideas / (added 2/06)  [Note:  File contains multiple circuits.  Scroll to find this one.]  Lucent Technologies’ DSP16410 provides 800 million multiply/accumulate (MAC) operations per sec, letting designers of baseband processors for Global Systems for Mobile communications (GSM) and other cellular-standard base stations pack more channel processing into an equivalent pc-board area with low power consumption. The latest in Lucent’s 16-bit, fixed-point DSP 16000 series, the 16410 has two DSP 16000 cores, each having two MAC units; single-cycle MAC operation, and a 200-MHz clock....

Downloading HEX Files to External FLASH Memory using PIC17CXXX PICmicro ® Microcontrollers:  Microchip Application Note - Published 6-Nov-98   (added 2/06)

DP8344 BCP Stand-Alone Soft-Load System:  National Semiconductor - Application Note  (app note added  6/06)

DP83865 and DP83864 Gigabit Physical Layer DeviceTrouble Shooting Guide:  National Semiconductor - Application Note (app note added 2/06)

DP83950 Twisted Pair Parametric Evaluation:  National Semiconductor - Application Note (app note added 2/06)

DRCS: CLC5526/CLC5956/CLC5902 Diversity Receiver Chipset:  National Semiconductor - Application Note   (added 2/06)

DS1820 Arbiter V2.00 Schematic:  (Electronic circuit added 7/03)

DS1821 Programmable thermostat:  (Electronic circuit added 4/05)

DS92LV16 Power Up Reset:  National Semiconductor - Application Note (app note added 2/06)

DSLAM:  Intersil Application Block Diagram  (Circuit / schematic design added 6/06)

Dual Foot Print Layout Notes for DP83865 Gig PHYTER V and DP83847 DS PHYTER II:  National Semiconductor - Application Note (app note added 2/06)

Dual PIC16C84 Prototype Board:  (Electronic circuit added 7/03)

EE-162: Interfacing the ADSP-BF535 Blackfin Processor to High-Speed Converters (like those on the AD9860/2) over the External Memory Bus:  EE-162 - Analog Devices Application Notes  (Circuit / schematic design added 6/06)

EE-247: Interfacing AD7676 ADCs to ADSP-21065L SHARC Processors:  EE-247 - Analog Devices Application Notes  (Circuit / schematic design added 6/06)

Effects Of Parasitics In Circuit Simulations (12/11/00) :  Application Note - California Eastern Laboratories - Doc #930  (Circuit / schematic design added 6/06)

Efficient Processor Power System Needs No Heat Sink:  DN135 -  Design Notes (Linear Technology) (added 1/06)

Efficient Use of PCI: Intel discusses basic concepts of PCI Performance:  Agilent Application Note  (app note added  6/06)

Electronic Door Codelock with PIC16F84:  (added 09/04)

Electronic Door Codelock:  (Electronic circuit added 7/03)

Embedded Assembly Routines into C Language using a Floating Point Routine as an example:  Microchip Application Note - Published 26-Aug-97   (added 2/06)

Embedded Processor Directly Drives LCD:  01/09/03 EDN Design Ideas  /  (added 1/05)  Driving a bare LCD does not necessarily require specialized interface circuitry or peripherals. This Design Idea describes an alternative drive scheme, which you can easily implement using the general-purpose outputs of a microcontroller. Many embedded-system applications need to interact with a user by displaying simple numeric or alphanumeric characters....

Embedding PICmicro Microcontrollers in the Internet:  Microchip Application Note - Published 26-Jun-00   (added 2/06)

Encrypted Routines Impede Hackers Protect Licenses:  04/04/02 EDN Design Ideas  /  (added 1/05)  The use of public-key-encrypted algorithms within licensed applications can prevent hackers from cracking the licensed algorithms. Moreover, you can use them to disable licensed features that a user doesn't purchase. Licensing schemes eventually arrive at some critical decision point at which an algorithm decides whether the user is entitled to run that application. ...

Ensuring compatibility between M25P10 to M25P10-a and M25P05 to M25P05-a in your application:  AN1511 The process change is described in PCEE0039 (PCN MPG / EE / 0039), obtainable from your nearest ST sales office, but This AppNote gives a fuller description. (Circuit / schematic design added 6/06)

Eprom Programmer Mk2:  This design was never completely finished, so consider it to be in the very early experimental stage. I don't sell kits, programmed PLD's, or provide support for this project, and I will never be published. But if you want to take a bash at making it yourself, be my guest, it may or may not work, I guarantee nothing. Try it at your own risk. PLEASE don't contact me about this project, I'm not supporting it and do not have any more information than that which is on this page....   (Circuit / schematic design added 6/06)

External Memory Interfacing Techniques for the PIC18F8XXX:  Microchip Application Note - Published 28-Jul-03   (added 2/06)

EZ80 Single Board Computer Schematic (Z80):  (Electronic circuit added 7/03)

FACT002: Mastering the PIC16C7X A/D Converter:  Microchip Application Note - Published 10-Apr-02   (added 2/06)

FAN4810 Design Tools / AN-6008:  Fairchild Application Notes / (app note added 6/06)

FAN5230, FAN5233, FAN5235 Component Calculation Spreadsheet and PSPICE Model Guide / AB-19:  Fairchild Application Notes / (app note added 6/06)

Fast Regulator Paces High Performance Processors:  DN87 -  Design Notes (Linear Technology) (added 2/06)

Fixed Point Routines:  Microchip Application Note - Published 26-Aug-97   (added 2/06)

Flash Bootloader for PIC16 and PIC18 Devices:  Microchip Application Note - Published 19-Aug-04   (added 2/06)

FLASH Memory Technology: Considerations for Application Design:  Microchip Application Note - Published 10-Jul-03   (added 2/06)

Floating Point to ASCII Conversion:  Microchip Application Note - Published 11-Sep-01   (added 2/06)

FPGA configuration scheme is flexible:  01/22/04 EDN Design Ideas  /  (added 1/05)  FPGAs are popular in circuit design because of their flexibility and efficiency. You need to program an FPGA by loading configuration data into designated configuration memory. Because most FPGAs have no internal nonvolatile memory, you must store the configuration files in external devices. When you use many FPGAs in a design, it is inadvisable to put a large amount of external memories near t......

Frequency Counter using PIC16C5x:  Microchip Application Note - Published 26-Aug-97   (added 2/06)

Frequently asked questions-eatt4-3:  Application Note - MiniCircuits.com  (Circuit / schematic design added 6/06)

Frequently asked questions-mxr1-25:  Application Note - MiniCircuits.com  (Circuit / schematic design added 6/06)

Frequently asked questions-phase12-3:  Application Note - MiniCircuits.com  (Circuit / schematic design added 6/06)

Frequently asked questions-pwr2-4:  Application Note - MiniCircuits.com  (Circuit / schematic design added 6/06)

Frequently asked questions-vco15-20:  Application Note - MiniCircuits.com  (Circuit / schematic design added 6/06)

From ST10 to supeR10:  AN1982 The goal of This AppNote is to give guidelines to help to convert an ST10 application for Super10. Most of the differences between the two cores do not imply that the source code has to be changed....  (Circuit / schematic design added 6/06)

FSK Modem with PIC16C84:  (Electronic circuit added 7/03)

Further Information on Testing of COPS Microcontrollers:  National Semiconductor - Application Note (app note added 2/06)

Galvanic Decoupling of I2C Bus:  (Electronic circuit added 7/03)

Generating Fixed Frequency Sine Waves with ML2035 / AN-42025:  Fairchild Application Notes / (app note added 6/06)

Giant Money Counter (PIC16F876):  (Electronic circuit added 7/03)

Graphic LCD Interface:  (Electronic circuit added 7/03)

GSM Base Station Measurements:  Aligent Application Note  (Circuit / schematic design added 6/06)

Guide to Loopback using the DP8390 Chip Set:  National Semiconductor - Application Note (app note added 2/06)