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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 […]

audio analyzer circuit

Audio level indicator circuit spectrum analyzer for stress meter circuit diagram using UAA180 12 led indicator circuit spectrum analyzer for stress meter circuit diagram using UAA180

1W Audio Amplifier Circuit using LA4145

1W Audio Amplifier Circuit using LA4145

DC Power Supply Circuit Diagram

DC Power Supply Circuit Diagram DC Power Supply Circuit Diagram Power Supply 33V DC to 1,25V using MAX8860EUA18 DC Power Supply Circuit Diagram Power Supply 33V DC to 1,25V using MAX8860EUA18 Variable DC Power Supply: 1.25-25V 1A LM317 Voltage Regulator Circuit DC Power Supply Schematic: Build Home Easy Variable PSU Circuit Diagram DC Power Supply […]

Photo flash LED driver

Photo flash LED driver using LMC6442, 2N222

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