Automatic gain-controlled voltage receiver of satellite signal

Abstract

The invention discloses a satellite signal automatic gain control voltage receiving device, which includes a satellite signal receiving card 10 and a satellite signal automatic gain control voltage receiving card 11, and the satellite signal automatic gain control voltage receiving card 11 includes an integrated amplifier 111, a gain / level Adapter 112, microprocessor 113, wherein microprocessor 113 contains A / D conversion unit, satellite antenna receiving card 10 receives the L-band channel signal output from the frequency converter of the antenna assembly, takes out the AGC voltage related to its strength and outputs it to the integrated amplifier The non-inverting input terminal, the output terminal of the integrated amplifier is fed back to the inverting input terminal of the integrated amplifier through the gain / level adapter, and connected to the input terminal of the microprocessor at the same time, and the output from the I / O output terminal of the microprocessor is converted by A / D Digital AGC signal after unit conversion.

Description

technical field [0001] The invention relates to an automatic star-finding device for a satellite communication antenna, in particular to a satellite signal automatic gain control voltage receiving device. Background technique [0002] At present, the method of receiving satellite beacon signals is usually used in the satellite communication star-seeking method, and the pitch angle, azimuth angle and polarization angle of the antenna are adjusted to achieve the best receiving positioning of the antenna. In actual operation, the bandwidth of the beacon signal is narrow, it is not easy to capture, it is easy to be interfered, and it has high requirements for the response of the system. In addition, the star-finding equipment used for satellite communication is often based on the star-finding method, and a beacon signal receiver is used. This kind of beacon signal receiver is relatively expensive, and the cost is several times that of the channel signal receiver. Contents of t...

AI Technical Summary

Problems solved by technology

In actual operation, the bandwidth of the beacon signal is narrow, it is not easy to capture, it is easy to be interfered, and it has high requirements for the response of the system

In addition, the star-finding equipment often used for satellite communication is based on the star-finding method, and a beacon signal receiver is used. This kind of beacon signal receiver is relatively expensive, and the cost is several times that of the channel signal receiver.

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