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Atv Downconverter Circuit

2016-01-19 22:52  
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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

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



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