Circuit Description
一、
、 Frequencies constitute
The receiver uses secondary frequency conversion. The first IF is 49.95 MHz and the second IF is
450 kHz. The first local oscillation signal is provided by the PLL circuit.
The PLL circuit generates the required transmit frequency
as picture 1 Frequency structure
二、
、 Receiving department
Frequency structure of receiving department as picture 2
Содержание RDR3600V
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Страница 32: ...RDR3600 VHF V5 2 2015 02 02 9P 0R 3P 3P 20K 15K 1K8 1K8 120P 10P 27P 330K ...
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