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Decoder Circuits
De-Coder Circuits:  #'s - L      M - Z

Last Updated on: Thursday, April 07, 2016 01:03 PM

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Links to electronic circuits, electronic schematics, designs for engineers, hobbyists, students & inventors:

1 printer-port pin acts as an encoder output -  06/07/01 EDN Design Idea   Encoders and decoders are common elements in alarm, remote-control, and measurement systems. However, most of these devices require many I/O lines when under microprocessor or PC control. For example, the HT-12E encoder has eight. . .  [by Deaign[by Haobin Dong, Huazhong University of Science and Technology, China]

 

2^16 remote control encoder and decoder -  Control up to 16 remote digital output lines by this remote control encoder/decoder. The encoder can transmit either using a radio module or an infrared LED. The decoder outputs can be latched or momentary. . .  [designed by Peter Jakab]

 

68HC11 Function Generator -  This site contains complete schematics and code for a 68HC11 based frequency counter, square wave synthesizer, sine wave synthesizer, programmable filter, capacitance and inductance meter, with a digitalker speech synthesizer output. Project specifications are given below. . .  [by Michael Ellis]

 

8-channel DTMF Link: Decoder -  In the decoder designed for the DTMF Link project a Holtek HT9170B does the main job. The natural counterpart of the HT9200B used in the associated encoder. must register on this site. . .  [Published in Elecktor July/August, 2010]

A Decimal to BCD Decoder -  This is a keypad circuit that will convert the decimal value of any keypad switch - into its BCD equivalent. . . .  [Ron J.'s circuit]

 

ADC-to-PC interface transfers data in nibbles -  12/09/99 EDN Design Idea   The circuit in Figure 1 uses a Centronics printer port to interface an eight-channel, 8-bit ADC to a PC. The circuit cutscost of addressing and decoder circuitry and saves one expansion slot for interfacing. The design uses thr. . .  [by DS Oberoi, Jammu, India]

 

CA3090 Stereo Decoder -  Stereo Multiplex Decoder. . . 

 

Caller ID Decoder -  . . . 

 

Circuit forms satellite-dish command decoder -  03/04/04  EDN Design Idea   By decoding the commands sent by a direct-broadcast satellite receiver that uses the DISEQC (digital-satellite-equipment-control] protocol, you can troubleshoot the commands or simply listen in. Eutelsat Corp (www. eutelsat. com] offers. . .  [by Mark Giebler, Oakdale, MN]

 

Closed-Caption Decoder -  This is a closed-caption decoder with serial output based on a Microchip PIC16F628A. The internal comparators of the PIC16F628A are used to implement a peak detector and data slicer. . .  [The hardware was designed by Richard Ottosen, and the firmware was written by Eric Smith]

 

Code Hopping Decoder Using a PIC16C56 -  AN661 - Technology Inc. . . .  [Microchip App Note last updated on 23-May-11]

 

Composite-VGA encoder/decoder eases display upgrade -  09/28/06 EDN Design Idea   Upgrade an RGB video system without adding cables. . .  [by Werner Schwiering]

 

Decoder lights the way -  02/19/09  EDN Design Idea   A two-line-to-four-line decoder indicates status even when both signal lines lose power. . .  [by Jean-Bernard Guiot, Mulhouse, France]

 

Decoding 4 buttons with 2 I/O pins   (Controllers with tristate I/O ports) -  Just the solution for AVR applications in which I/O is tight, such as the ATtiny12. This should work well on other kids of controllers that have independently controlled I/O direction registers, such as PIC and 6805 controllers. . . .  [From Dick Cappels' project pages]

 

Dolby® Pro-Logic Surround Sound Decoder for Audio Realism -  This file contains many designs, please scroll to locate this circuit. . . .  [Analog Devices-Analog Dialogue by Schweber Bill]

 

Encoders and Decoders -  Selector guide ~ links to pages that tell why you need Encoder and Decoder ICs in your Wireless system. Application circuits. . . .  [free schematic from Golab.com]

 

FM stereo decoder -  Schematic only, no circuit description. . .  [Designer's name not given]

 

Hints and kinks for USB decoding -  02/07/02  EDN Design Idea   The USB is a serial data-transmission system that uses cables to connect peripheral equipment to PCs. All new computers have two orUSB receptacles, and the predictions are that they will replace most of the legacy receptacles on old. . .  [by Bert Erickson, Fayetteville, NY]

 

HP48SX IR DECODER -  . . . 

 

Improved PL Tone Decoder -  A significant amount of interest has been generated since my last article on a PL tone board. Because of this interest I decided to improve on the old PL tone design. Figure 1 is an inexpensive PL tone generator with significantly improved performance. It has a much more stable tone frequency as well as the elimination of the loading problem on the output. The transistor used in the old circuit would cause the tone frequency to change at high levels. This month's circuit eliminates all those problems. . .  [Radio Amateur Society of Norwich]

 

LFSR provides encryption -  09/13/01  EDN Design Idea   LFSRs (linear-feedback shift registers] find extensive use in cryptography. For example, the cryptographic algorithms in the GSM (Global System for Mobile communications] mobile-phone system rely on the use of LFSRs. An LFSR comprise. . .  [by Antonella Di Lillo and Giovanni Motta, Brandeis University, Waltham, MA]

 

LM1310 FM Stereo Decoder -  Converts your mono FM Receiver to Stereo. . . 

 

LM1800 Stereo Decoder -  Stereo Demodulator (circuit added4/02) . . . 

 

LM1800 Stereo Demodulator -  Phase-Locked Loop FM Stereo Demodulator. . . 


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Decoder Circuits:   #'s - L      M - Z


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