Automatic gain control amplifier for compensating cable loss

Details Automatic gain control amplifier for compensating cable loss Automatic gain control amplifier for compensating cable loss

H - Electricity

04

B

330/39

H04B 3/04 (2006.01)

Patent

CA 1296397

AUTOMATIC GAIN CONTROL AMPLIFIER FOR COMPENSATING CABLE LOSS ABSTRACT OF THE DISCLOSURE An AGC amplifier for compensating a signal loss in a cable through which a signal having a frequency is passed, the signal loss being defined as a function of a square-root of the frequency, having a wide compensation ability and adaptable to the forming of a LSI circuit construction. The AGC amplifier includes a first amplifier (10) amplifying an input signal (IN) to be compensated at a first gain (A0), a differential circuit (40) having a constant differential coefficient defined by the frequency, and differentiating the input signal at the differential coefficient, a second amplifier (20) amplifying the differentiated signal at a second gain (Al), and an adding circuit (30) adding the amplified signals therefrom to output an output signal (OUT) in which the signal loss is compensated.

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