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Making TV Pattern Generator with ZNA234E

Making TV Pattern Generator with ZNA234E This Circuit uses the ZNA234E IC which makes available all the waveforms necessary to produce the crosshatch, test patterns on a television screen. The composite video output can be injected directly into the video input of a receiver or used to drive a modulator for connection to the aerial […]

Making Frequency Modulation circuit

In this case the frequency of the oscillator is determined by the values of the capacitor and inductor: C and L. Notice that I have now added a diode and another capacitor 10C (10 times bigger than C). The oscillations across the ends of L are a sinewave, varying above and below the Gnd (battery […]

what type amplifier should used to see clear picture?

Onkar asked: we have two TV sets in my home. The first one is connected to dish antenna via set-top box. second one is connected to same set-top box by coaxial cable & it is far from it. so clear picture is not receiving. please help or give the circuit diagram for the amplifier.

Headphones Circuit

Headphones Circuit using SMI1458 1458 Headphones Circuit using SMI1458, 1458

LCD Monitor Schematics – What’s The Best Place For Electronic Schematics & Circuit Board Diagrams?

Dave L asked: I need the complete schematics of LCD monitors to be able to repair them.

led driver circuit diagram

High Power LED Driver Circuit Diagram how to use led driver ? led driver schematic – efficient led driver circuit

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