Atv Downconverter Circuit

Posted on Sep 6, 2012

This RF converter converts amateur TV signals in the 420- to 450-MHz region to VHF channel 3 or 4, allowing reception of those signals on a standard TV receiver. RF amplifier Ql feeds mixer Ml, and Q3 acts as an IF amplifier.

Atv Downconverter Circuit
Click here to download the full size of the above Circuit.

Q2 is an oscillator operating around 378 MHz and is tuneable over about a 30-MHz range.

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