Down converter for satellite communication system

Details Down converter for satellite communication system Down converter for satellite communication system

H - Electricity

04

B

H04B 1/16 (2006.01) B61B 13/00 (2006.01) B65G 47/52 (2006.01) H01L 21/68 (2006.01)

Patent

CA 2054859

A down converter device is used in a satellite communication system to convert a microwave signal to an intermediate frequency signal by the use of a standard signal having a frequency range of several to several tens of MHz, and to apply the intermediate frequency signal to a next stage component. The down converter includes a mixer for producing the intermediate frequency signal which is indicative of the frequency difference between the standard signal and the microwave signal. A separator includes a first terminal for receiving the intermediate frequency signal, a second terminal for producing and supplying the intermediate frequency signal to the next stage component and for receiving the standard signal from the next stage component, a first filter for separating the standard signal, and a third terminal for producing the standard signal to the mixing means. The system has the advantage over prior down converters that only a single connection is required between the converter and the next stage component.

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