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Atv Jr Transmitter 440Mhz Circuit

2016-04-11 12:54  
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This low-power video transmitter is useful for R/C applications, surveillance, or amateur radio applications. Seven transistors are used in a crystal oscillator-multiplier RF power amplifier chain, and a high-level video modulator. A 9- to 14-Vdc supply is required.
Atv Jr Transmitter 440Mhz Circuit

Output is 0.4 to 1.2 W, depending on supply voltage.



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