Method and device for detecting connection state of antenna and feed line
A feeder connection and antenna technology, which is applied in the field of detection of antenna and feeder connection status and devices, can solve the problems of reducing system cost, complex multi-antenna intelligent detection and real-time performance, and achieves the advantages of overcoming poor real-time performance, avoiding errors, and simple circuit design Effect
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[0029] The present invention consists of the following two parts: an antenna connection detection circuit 2 and an antenna detection comparison circuit 3 . The main function of the antenna connection detection circuit is to extract the connection detection signal of the antenna 1 of the antenna feeder system. It is necessary to convert the open and short circuit state of the antenna feeder system 1 into corresponding output voltage signals of different values, and at the same time connect the antenna 1 connection detection circuit to the antenna feeder. The adverse effects of the system are minimized.
[0030]The antenna detection comparison circuit 2 compares the antenna connection detection signal obtained by the antenna 1 connection signal extraction circuit with the comparison threshold set by the antenna detection comparison circuit 3. When the detection signal level obtained by the antenna connection detection signal circuit 1 is hig...
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