|
Take Power Out Of PC Rs-232 Port - 04/15/04 EDN Design Ideas / (added
1/05)To maintain power integrity on PC boards, you need multiple capacitors to
decouple the power-distribution system. A typical configuration might comprise five
capacitors connected in parallel between the power and the ground traces or planes. To
provide broadband decoupling performance, .... |
|
Take Steps To Reduce Antiresonance In Decoupling - Microchip Application Note
Published 26-Aug-97 (app note added 2/06) |
|
TB010: Adding A Simple 4-Channel 8-Bit A/D To A Pic17c4x - Microchip Application
Note Published 8-Jun-01 (app note added 2/06) |
|
TB047: Connecting The Mcp2150 To The Windows Ce® Operating System - Microchip
Application Note Published 30-May-01 (app note added 2/06) |
|
TB048: Connecting The Mcp2150 To The Windows® Operating System - Microchip
Application Note Published 4-May-04 (app note added 2/06) |
|
TB054: An Introduction To USB Descriptors: With A Gameport To USB Gamepad Translator
Example - Microchip Application Note Published 4-May-04 (app note
added 2/06) |
|
TB055: Ps/2® To USB Mouse Translator - Microchip Application Note Published
4-May-04 (app note added 6/06) |
|
TB056: Demonstrating The*Set_Report* Request: With Ps/2® To USB Keyboard Translator
Example - Microchip Application Note Published 18-Feb-02 (app note
added 2/06) |
|
TB057: USB Combination Devices: Demonstarted By A Combination Mouse And Gamepad Device
- Microchip Application Note Published 4-May-04 (app note added 2/06) |
|
TB058: Demonstrating The Soft Detach Function: With A Ps/2® To USB Translator Example
- Microchip Application Note Published 23-May-03 (app note added 2/06) |
|
TB068: How To Modify The Picdem Lin For The Mcp201 - Microchip Application Note
Published 4-Nov-05 (app note added 6/06) |
|
TB095: Modifying The Picdem USB Board For Pic18 Full-Speed USB Microcontrollers -
Microchip Application Note Published 3-Apr-01 (app note added 2/06) |
|
TC7135 Microprocessor Interface TC7135 - Microchip App Note TC7135/ (added
1/05) |
|
Technique Makes Low Cost PC Board Shields - Measures temperature via SMT160-30,
shows it on LCD and communicates with RS232 (sends values of temperature to terminal
(added 6/07) |
|
Temperature Measurement - (electronic circuit added 7/03) |
|
Ten Tricks For Interfacing To The Pic16c508 - National Semiconductor Application
Note (app note added 2/06) |
|
Ten Ways To Bulletproof Rs-485 Interfaces - National Semiconductor Application
Note (app note added 2/06) |
|
Tft Data Mapping For Dual Pixel Ldi Application - ….(design added 08/08) |
|
The 8way Relay Board - Maxim Application Notes / 1120 / Jun-09 (app note
added 5/08) |
|
The Max555 Plcc To Tqfp Printed Circuit Board Pcb Layout Guidelines - Microchip
Application Note Published 26-Jul-00 (app note added 2/06) |
|
The Picmicro Mcu As An Ieee 1451.2 Compatible Smart Transducer - National
Semiconductor Application Note (app note added 2/06) |
|
The Practical Limits Of Rs-485 - ….(circuit design added 08/08) |
|
The Relay Sub Board - Microchip Application Note Published 26-Apr-02
(app note added 2/06) |
|
The Rs-232/Dali Bridge Interface - ….(circuit design added 08/08) |
|
The Simplified I/O Interface - Zetec Semiconductors Applications Notes A
brief discussion of the drive requirements of relatively high current inductive loads
within computer peripheral equipment, with respect to the benefits possible with
optimised small packaged components. (app note added 2/06) |
|
The Use Of Zetex E-Line Transistors In Motor And Solenoid Driver Functions Within
Printers: Effective Logic To High Current Load Interfacing - (schematic / circuit
(added (6/03) |
|
The Wire Between Multiio Card And Joystick Connector - Fairchild Application Notes
/ (app note added 6/06) |
|
Theory And Application Of The Ml4821 Average Current Mode Pfc Controller / An-42030
- Intersil Application Block Diagram (app note added 6/06) |
|
Thermal / Impact Printer - 11/09/95 EDN-Design Ideas / (added 3/03) The circuit in
Figure 1 acquires temperature data via an IBM PC serial port using a
thermocouple-based sensor. The sensor is a type-K (chromel-alumel) thermocouple. When
in contact, the dissimilar metals produce a potential difference that is a function of
temperature. Additional thermocouple ..... |
|
Thermocouple Interfaces To Serial Port - Pericom Semiconductor Application Note #
040 (app note added 02/05) |
|
Three Port Pci Bridge Performance Advantages - (Design Ideas - EDN, 2/21/2008
A single microcontroller I/O pin senses the state of a three-position switch.
(electronic design idea added 2/08) |
|
Three-State switch Interface Uses One Microcontroller Pin - National Semiconductor
Application Note (app note added 2/06) |
|
Timing Analysis Of Synchronous And Asynchronous Buses - (design circuit added
8/02) |
|
To Analog Centronics D/A And Filter - (electronic schematic / circuit added 11/05) |
|
To Analogue Converters For PC Parallel Port - National Semiconductor Application
Note (app note added 2/06) |
|
TP3410 2biq U Interface Deviceusers Manual - National Semiconductor Application
Note (app note added 2/06) |
|
TP3420a Line Interface Circuit Considerations - National Semiconductor Application
Note (app note added 2/06) |
|
TP3420a S Interface Devicesid User's Guide - National Semiconductor Application
Note (app note added 2/06) |
|
Transmitter Accurately Transfers Voltage Input - 04/11/02 EDN Design Ideas /
(added 1/05) A previous Design Idea on using Excel for LCD initialization relies
on the user for cutting and pasting from Excel into an editor (Reference 1). It
appears that it would take a minimum of six keystrokes or mouse strokes from one
character to a new character to perform this operation....... |
|
Tricks Improve On Excel Lcd Initialization - 09/27/01 EDN Design Ideas /
(added 1/05) In this simple application of the 68HC68 microcontroller's
serial-I/O utility, the goal is to configure a simple circuit, driven by any LPT
parallel-printer port, which you can use as a remote I/O for a PC. You can
independently program each I/O line as either an input or an output... |
|
Tricks Increase Utility Of Parallel Port - DN78 Design Notes (Linear
Technology) (app note added 1/06) |
|
Triple Output 3.3v 5v And 12v High Efficiency Notebook Power Supply - 04/27/95 EDN-Design
Ideas / (added 11/05) |
|
TSR Logs Assembler And Compiler Errors In File - This small realization, based on
one of the most common IC (MAX232) is designed to create a small and convenient TTL to
RS232 and vice versa converter. All you need is 4 caps, one IC….(added 08/08/08) |
|
TTL <> Rs232 Converter - To achieve a CCInfrared conform TV signal with50 Hz
vertical interlaced refresh and15.625 kHz horizontal frequency on most SVGA cards its
possible to re-program CRT Timing and generate output signals outside the normal
specification range. Then some pretty simple hardware is needed for rest of the signal
conversion. (added 4/02) |
|
TV Rgb Signal Output From A SVG Graphics Card - information on commercial product,
datasheet includes full circuit diagram (added 4/02) |
|
2-transistor circuit replaces IC - 05/(07/02 EDN-Design Ideas / (added
4/02) -Jim Hagerman's article Linear Technologies recently introduced LTC4300
chip buffers I2C clock and data lines to and from a hot-swappable card. This task is
difficult because IC must work bidirectionally. |
|
Two Channel Port Powered Rs-232 To Rs 242 Converter - 05/(07/2002 EDN Design
Ideas / (added 10/03) Linear Technology's recently introduced
LTC4300 chip buffers I2C clock and data lines to and from a hot-swappable card. This
task is difficult because the IC must work bidirectionally, meaning that you can
simultaneously and actively drive both sides. However, as is sometimes the case, you
can replace .... |
|
Two Transistor Circuit Replaces Ic - (electronic circuit added 11/05) |
|
Two Transistor Circuit Replaces Ic #1 - Linear Technology's recently introduced
LTC4300 chip buffers I2C clock and data lines to and from a hot-swappable card. This
task is difficult because the IC must work bidirectionally (added 6/03) |
|
Two Transistor Circuit Replaces Ic #2 - (schematic / circuit design added 9/02) |
|
Two Wire Lcd Interface Using Pic16cf84 - (Design Ideas - EDN, 08/17/2006)
Resistor matrix and microcontroller encode keypad. (electronic design idea added
9/2008) |
|
Two-Wire, Four-By-Four-Key Keyboard Interface Saves Power - Application Note 2
from Microsem (app note added 6/06) |
|
Ultra2 Scsi White Paper An-2 - This simple circuit allows you to record any
Infrared remote control signal on your PC, and then play it back. This is particularly
useful if you want to control appliances such as TVs, VCRs, CDs eTC. from your
computer. The device simply connects to the parallel port of your PC....This circuit
was originally published in Electronics Australia, September1998 (added 4/02) |
|
Universal Infrared Controller For A PC - (electronic circuit added 6/07) |
|
Universal Power Supply - 02/03/97 EDN-Design Feature / (added 11/05)
My recent hands-on project about designing with USB generated a big response,
including lots of questions, from EDN's readers. Here's a compilation of the best
questions, along with my responses.—Richard A Quinnell, Technical Editor |
|
Universal Serial Bus Q And A - (electronic circuit added 4/05) |
|
USB and GLCD Expansion Board For 8051 Sbc - Microchip Application Note Published
18-Aug-05 (app note added 2/06) |
|
USB Firmware Library Errata - (application / block diagram added 6/07) |
|
USB Flash Drive - (electronic circuit added 2/07) |
|
USB I/O Interface Board For PC - 10/26/00 EDN-Design Ideas / (added 06/03) |
|
USB Link Neatly Measures Temperature - Microchip Application Note Published
30-Aug-05 (app note added 6/06) |
|
USB Mass Storage Deviceusing A Pic Mcu - The charger in this project is designed
to charge two AA NiMH or NiCd cells of any capacity (as long as they are the same) at
about 470mA. It will charge 700mAh NiCds in about 1.5 hours, 1500mAh NiMHs ….(added
05/08) |
|
USB Powered Aa Nimh And Nicd Battery Charger - I had two computers, a Mac Mini and
a generic Windows computer. Both were on different networks, but in the same room, and
I wanted to share a Lexmark USB laser printer between the two of them. I ended up
making this switch to share the printer between the two computers....(schematic /
circuit added 6/07) |
|
USB Printer Sharing switch - High fidelity external USB Soundcard / USB Headphones
project that can be built for your PC or Mac. It is based on the latest PCM2706 IC
which functions as a high quality, crystal clear 16-BIT Stereo DAC. It is a single
chip digital-to-analog converter that offers two D/A output stereo channels, digital
S/PDIF output and requires very few external components. PCM2706 includes integrated
USB 1.0 & USB 2.0 compliant interface controller and it is conveniently powered
directly from USB connection. PCM2706 is a USB plug-and-play device and does not
require any driver installation under Windows XP and Mac OSX. ….(electronic schematic
added 11/08) |
|
USB Self-Powered Soundcard - Make a sound card is no more a complex issue. If you
use great IC PCM2702 from BURR BROWN / Texas Instruments you can create a fully
functional USB sound card. This sound card can be powered from USB port and has one
stereo output. You don’t need to install any driver for Windows XP and Vista, because
they are already inside. This is really plug and play. ….(design added 11/08) |
|
USB Sound Card With Pcm2702 - USB to Serial Adapter RS-232 Serial Port to USB The
USB to Serial adapter (converter) lets you use a serial PDA, GPS, cell, eTC. with a
standard USB port. This adapter is the easiest way to add a serial port to your
computer. Many PDAs, digital cameras, GPS units, barcode scanners, and other equipment
require a serial connection, and many newer computers don't have serial ports.
….(electronic schematic added 11/08) |
|
USB to Serial Adapter Rs-232 - USB to serial interface is based on the powerful
FT232 chip from FTDI. It enables very easy connection of the user's application to the
PC via the USB port, without necessity of any deep knowledge about the complicated USB
problems. FT232 chip is capable to transfer data at speeds up to 1M Baud in RS232 mode
and up to 3M Baud in the RS485 mode. Schematic contains the on-board serial EEPROM
(93LC46) for storing the ID data (VID, PID, serial number and description strings).
….(electronic schematic added 11/08) |
|
USB to Serial Interface - 10/24/96 EDN-Design Feature / (added 11/05) The
USB for PCs can automatically configure and power peripherals. But, as I learned in
this hands-on project, early USB adopters may face a substantial system-level design
effort. They also need to carefully examine USB data-bandwidth
characteristics.—Richard A Quinnell, Technical Editor |
|
USB : A Neat Package With A Few Loose Ends - schematic for an ATMega323 boards The
main interface to this board is USB via the FTDI USB -Serial converter chip (added
6/06) |
|
USB -AVR 323 Board - National Semiconductor Application Note (app note
added 6/06) |
|
USB n9603/4-Increased Data Transfer Rate Using Ping-Pong Buffering - Powerswitch
provides 8 bits of parallel output intended to switch e.g. the power supply to
electronic devices. The Powerswitch firmware is accompanied by a command line tool for
Unix to control the device. (The command line tool can also be compiled on Windows
using minGW and libUSB -win32.) ….(electronic schematic added 11/08) |
|
USB-PC 8-Ch Power switch - forward and backward all to all - with FT232BM chip |
|
USB-Rs232-Rs485 Converter - 03/04/04/04 EDN Design Ideas / (added
1/05) Boost converters, like other switchers, have traditionally received their
control signals from a dedicated circuit. However, a recent trend is to integrate
simple switching-power-supply building blocks into generic devices, such as
microcontrollers. An excellent example of this concept is a microcontroller ...... |
|
Use A Microcontroller To Design A Boost Converter - 05/25/00 EDN-Design Ideas /
(added 1/06) |
|
Use A PC To Record Four-Channel Waveforms - 10/26/95 EDN-Design Ideas / (added
11/05) |
|
Use A Pc's Printer Port To Measure Frequency - 08/22/02 EDN Design Ideas /
(added 1/05) Automatic baud-rate detection is desirable in many applications.
Microchip's (www.microchip.com) standard USART module that the company embeds in most
of its PIC microcontrollers lends itself to a simple and easily implemented automatic
baud-detection scheme. The PIC18FXX2 data sheet ...... |
|
Use A Pic For Automatic Baud Rate Detection - 06/18/98 EDN-Design Ideas /
(added 11/05) |
|
Use A Printer Port To Record Digital Waveforms - 10/27/05 EDN Design Ideas
/ (added 1/06) Keep key code sections protected from prying users. |
|
Use A System's Real Time Clock To Hide A Code Sequence - Zetec Semiconductors
Applications Notes A brief discussion of the drive requirements of relatively high
current inductive loads within computer peripheral equipment, with respect to the
benefits possible with optimised small packaged components. (app note
added 2/06) |
|
Use Of Zetex E-Line Transistors In Motor And Solenoid Driver Functions Within
Printers: Effective Logic To High Current Load Interfacing - (schematic /
circuit (added (6/03) |
|
Use PC Joystick Port To Measure Temperature And Light Levels - 08/16/01 EDN Design
Ideas / (schematic / circuit added 11/03) One cost-saving measure associated
with 8-bit embedded microcontrollers is to use a resistor-capacitor oscillator. These
RC oscillators are inexpensive, but the trade-off is low stability with temperature
and voltage. In many applications, the low cost of an RC oscillator is alluring, but
the.... |
|
Use Power Line For Baud Rate Generation - 10/11/01 EDN Design Ideas /
(added 1/05) A simple and inexpensive circuit ( Figure 1 ) and a
simple C program ( Listing 1 ) are all you need to turn your PC's printer port into a
programmable frequency generator. Using a few low-cost and readily available
components, the circuit occupies little space and is easily attachable to the printer
port.... |
|
Use Printer Port As Programmable Frequency Generator - 06/27/02 EDN Design Ideas
/ (added 1/05) A Zobel network is useful in making a reactive load appear
as a pure resistance to a driving source prone to stability problems (Reference 1). A
typical situation is an audio power amplifier driving a loudspeaker, modeled at first
approximation as an inductance and a series resistor (Figure 1a)....... |
|
Use Time Domain Analysis Of Zobel Network - 06/18/98 EDN-Design Ideas /
(added 11/05) |
|
Useless Masked Mcs Make Useful PC Peripherals - Pericom Semiconductor Application
Note # 07)7 (app note added 02/05) |
|
User Guide For Pi7c21p100 Reference Board - Pericom Semiconductor Application Note
# 07)4 (app note added 02/05) |
|
User Guide For Pi7c8148 Reference Board - Pericom Semiconductor Application Note #
053 (app note added 02/05) |
|
User Guide For The Pericom Pi7c8150 Reference Board - Pericom Semiconductor
Application Note # 064 (app note added 02/05) |
|
User Guide For The Pericom Pi7c8154 Reference Board - Maxim Application Notes /
1172 / Feb-10 (app note added 5/08) |
|
Using A PC With A Ds3900 To Communicate With Ds1267s, Ds1867s, & Ds1868s -
Fairchild Application Notes / (app note added 6/06) |
|
Using Other Voltages With The Fan5063 / Ab-26 - Pericom Semiconductor Application
Note # 046 (app note added 02/05) |
|
Using Pi7at04 Active Terminator Over Classical Methods Of Termination - Microchip
Application Note Published 26-Aug-97 (app note added 2/06) |
|
Using Pic16c5x As A Smart Iic Peripheral - Microchip Application Note Published
26-Aug-97 (app note added 2/06) |
|
Using The 24lc21 Dual Mode Serial Eeprom - Microchip Application Note Published
22-Nov-99 (app note added 2/06) |
|
Using The 8-Bit Parallel Slave Port - Microchip Application Note Published
24-May-05 (app note added 2/06) |
|
Using The C18 Compiler And The Mssp To Interface I2cs Eeproms With Pic18 Devices -
Microchip Application Note Published 16-Jan-06 (app note added 2/06) |
|
Using The C18 Compiler And The Mssp To Interface Microwire Eeproms With Pic18 Devices.
- Microchip Application Note Published 28-Jun-05 (app note added 2/06) |
|
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) |
|
Using The C18 Compiler To Interface I2cs Serial Eeproms With Pic18 Devices -
Microchip Application Note Published 1-Sep-05 (app note added 2/06) |
|
Using The C18 Compiler To Interface Microwire Serial Eeproms To Pic18 Devices -
Microchip Application Note Published 15-Dec-05 (app note added 2/06) |
|
Using The C18 Compiler To Interface Spi Serial Eeproms With Pic18 Devices -
Circuit design (added (7/03) |
|
Using The Joystick Port As General Purpose Input - Microchip Application Note
Published 28-Feb-05 (app note added 2/06) |
|
Using The Mssp Module To Interface I2c? Serial Eeproms With Pic16 Devices -
Microchip Application Note Published 16-May-05 (app note added 2/06) |
|
Using The Mssp Module To Interface I2c? Serial Eeproms With Pic18 Devices -
Microchip Application Note Published 8-Dec-05 (app note added 2/06) |
|
Using The Mssp Module To Interface I2c™ Serial Eeproms With Pic16 Deviceschinese -
Microchip Application Note Published 11-Mar-05 (app note added 2/06) |
|
Using The Mssp Module To Interface Microwire Serial Eeproms To Pic16 Devices -
Microchip Application Note Published 8-Dec-05 (app note added 2/06) |
|
Using The Mssp Module To Interface Microwire Serial Eeproms To Pic16 Devices Chinese
- Microchip Application Note Published 12-Jul-05 (app note added 2/06) |
|
Using The Mssp Module To Interface Spi? Serial Eeproms With Pic18 Devices -
Microchip Application Note Published 26-Aug-97 (app note added 2/06) |
|
Using The Port B Interrupt On Change As An External Interrupt - Fairchild
Application Notes / (app note added 6/06) |
|
Using The Rc5051 For A Katmai Motherboard Design / Ab-18 - AN-702 Analog Devices
Application Note (app note added 6/06) |
|
Using Theadt7461 As A Multichannel Temperature Sensor - 09/02/99 EDN Design Ideas
/ (added 1/05) [EDITOR'S NOTE: This article makes reference to six code
listings. You may view them individually below, or download a single Zip file
containing all the listings .] Designers have employed HDLs for more than a decade,
using them to replace a schematic-based design methodology and to convey design
ideas..... |
