Broadband control amplifier

Details Broadband control amplifier Broadband control amplifier

1985-02-11

1986-03-04

Mullins, James B.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330 99, H03F 134

Patent

active

045742537

ABSTRACT:
Broadband control amplifier having a wide control range and comprising a differential amplifier in the negative feedback loop. An auxiliary coupling is provided in the feedback loop having a transfer factor which renders the open loop gain independent of the signal distribution in the differential amplifier. The control amplifier can, for example, be used as an input amplifier in a receiver for optical fibre systems, to compensate for the length and temperature-dependent attenuation of the optical link.

REFERENCES:
patent: 4219788 (1980-08-01), Cordell

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