What Is The Principle Of Frequency Shift?

- Nov 13, 2018-

The frequency of the video signal is 0-6 MHz. When the interference frequency falls within the frequency range, interference will occur in the image. The principle of frequency shift is to directly convert the video signal output from the camera to the high frequency. Avoiding the interference frequency and then converting it to a standard video signal of 0-6 MHz at the receiving end. In fact, the principle is the modulation and demodulation principle of cable television; the anti-jamming device can effectively resist various interferences.



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