Video modulator circuit

  

Posted on Jul 22, 2012    6083

These are modulator circuits for modulation of video signals on a VHF/UHF carrier. The circuits require a 5 V power supply and few external components for the negative modulation mode. For positive modulation an external clamp circuit is required.


Video modulator circuit - schematic

The circuits can be used as general-purpose modulators without additional external components. The IC is TDA6800.




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