@▷ TV Pattern Generator by ZNA234 | Diagram for Schematic

TV Pattern Generator by ZNA234

This Circuit uses the ZNA234E IC which makes available all the waveforms necessary to produce the crosshatch, dot and greyscale 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 socket.


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RF-Radio Fre