Patent ID: 9461853
Filing Date: 2016-10-04
CPC Classification: H03G,H04L

Claim Text:
1. An Automatic Gain Control system for a radio receiver having at least one receiving signal path with an analogue and a digital portion, the Automatic Gain Control system comprising: at least two Automatic Gain Control loops; wherein at least one first Automatic Gain Control loop comprises a first AGC circuit and is configured to initially control the gain of at least one signal amplifier located in the analogue portion of the receiver and thereafter to control the gain of the at least one signal amplifier located in the analogue portion of the receiver only upon detection of a change in reception conditions that satisfies predetermined criteria; wherein at least one second Automatic Gain Control loop comprises a second AGC circuit and is configured to control the signal amplification of the at least one signal processing unit in the digital portion of the receiver; and wherein the digital portion of the receiver operates on a digitized receiving signal that is a digitized form of an amplified analogue receiving signal produced by the analogue portion of the receiver.