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A simple modulator circuit for symbol generator display

2016-12-09 17:23  
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A simple modulator circuit for symbol generator display
Illustrating the the LM1889 integrated chip demodulator circuit , few external components required. LM1889 is a dedicated circuit used as the interface element of TV antenna terminal for audio, color, contrast and brightness video modulation. And it is used as demodulator circuit here for displayed signal generator.