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56M video images transmitting circuit diagram

2016-09-11 05:52  
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56M video images transmitting circuit diagram
The RF Circuits produce 56MHz frequency through colpitts feedback. The image signal passes camera collection and the internal circuit turns to analog voltage signal. It output from JP1 to diode mixer circuit, mixing circuit will mix the analog voltage signal output by camera with LO signal to form radio-frequency signal. The radio-frequency signal that is amplified by uPC1651 integrated operational amplifier and total emitter circuit will be posted. uPC1651 is TV antenna amplifier ASIC. It is a ultra-high frequency, wide band(Frequency bandwidth of 1200MHz), low noise, large power gain(19dB,f=500MHz), high frequency linear amplifier.