Distortion prevention circuit based on multi-stage automatic gain control amplifier design

摘要

1. The technical field to which the invention described in the claims belongs;Digital microwave transmission equipment.;2. Technical challenges to be solved by the invention;A circuit for preventing distortion according to the design of a multi-stage automatic gain control amplifier of a digital wireless communication apparatus is implemented.;3. The point of the solution of the invention;The distortion prevention circuit of the present invention used in designing a multi-stage automatic gain control amplifier of a digital wireless communication apparatus includes a multi-stage automatic gain control amplifying means for connecting an automatic gain control amplifier in multiple stages, A voltage detection means for detecting a voltage of the detection voltage amplified by the detection voltage amplifying means and a voltage amplifying means for amplifying the voltage detected by the detection voltage amplifying means, And a differential distribution control means for controlling the differential distribution.;4. Important Uses of the Invention;Design of multi-stage amplifier in digital microwave transmission equipment