Cable TV Circuit Diagrams
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TV Transmitter Circuit
Have you ever considered sending audio and video signals over the internet? This is a basic circuit for amplifying and…
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Multi Wire Cable Tester Schematic Circuit Diagram
Description: A multi-wire cable tester with a separate LED for each wire. Will show open circuits, short circuits, reversals, earth…
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3.3 VOLT DC DC REGULATOR CIRCUIT WITH LM2575
Switched 3.3v switched dc dc regulator circuit The dc 12 volt voltage is reduced by 3.3 volts. LM2575 operating frequency 52…
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LAMP BURNING WHEN PHONE CALLS MOC3020 BT137 Schematic Circuit Diagram
When the circuit in the illustration is connected to the telephone line, the lamp is given light by any incoming…
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PIC16F877 4 LAYER ELEVATOR CONTROL CIRCUIT Schematic Circuit Diagram
The PIC16F877A is a 40-pin (DIP) microcontroller which Microchip describes as powerful based on having a 200 nanosecond instruction speed. I would like…
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IDC-to-box header adaptor
Those of you who have ever worked with flat cables will know that IDC (insulation displacement connectors) are simple to…
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Ferguson BSB receiver as D2MAC decoder
After the demise of BSB( British Satellite Broadcasting) in early 1991, the electronic surplus market was flooded with the tens…
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