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working principle
In order to meet the requirements of full channel reception , in addition to the original function, the KP12-3 type high frequency head also needs to amplify the intermediate frequency 37MH from the UHF tuner output, and the two do not interfere with each other. Figure 9.37.1 shows how the improved KP12-3 line (input to the high-level part) works with the added UIF bar. We put the line on the AA.
Waterproof relay is a common device in automatic control system. It is generally used to connect and disconnect the circuit. It is an important part of automatic control and remote control circuit.
Waterproof Relay,Miniature Waterproof Relay,Low Power Waterproof Relays,New Model Waterproof Relay
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