Output signal level control circuit using different detecting se

Details Output signal level control circuit using different detecting se Output signal level control circuit using different detecting se

1997-06-18

1999-04-27

Mullins, James B.

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

330141, 330181, H03G 330

Patent

active

058983376

ABSTRACT:
In an output signal level control circuit, a level adjusting section receives an input signal to adjust the input signal in level in response to a level control signal. A branching circuit branches a portion of the input signal adjusted in level by the level adjusting section to produce a branched signal. A detecting section includes the first and second detecting sections and generates a detection resultant signal based on a first detection result of the branched signal by the first detecting section and a second detection result of the branch signal by the second detecting section. The first and second detecting sections are operable at a same time. A control signal generating unit generates the level control signal based on the detection resultant signal to output to the level adjusting section.

REFERENCES:
patent: 5283533 (1994-02-01), Hori
patent: 5678209 (1997-10-01), Strakovsky
Davis et al. "Registration Automatic Gain Circuits", IBM Technical Disclosure Bulletin, vol. 17, No.5, pp. 1363-1364, Oct. 1974.

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