Amplifier circuit with envelope smoothing

Details Amplifier circuit with envelope smoothing Amplifier circuit with envelope smoothing

1991-03-25

1992-07-21

Mullins, James B.

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

330138, 330279, 375 98, 455116, 455126, 455127, H03G 320

Patent

active

051326345

ABSTRACT:
A closed loop amplifier circuit (100) having an on state (202) and an off state (204) is disclosed. The amplifier circuit (100) includes an Automatic Gain Control (AGC) circuit (116). The AGC circuit (116) controls the rate of change in the output power (120) of the amplifier circuit (100) when it changes from the off state (204) to the on state (202) or vice versa. The amplifier circuit (100) also includes a programming circuit (114) that is coupled to the AGC circuit (116). The programming circuit (114) is used to program a desired rate of change into the AGC circuit (116).

REFERENCES:
patent: 4592073 (1986-05-01), Watanabe
patent: 4706262 (1987-11-01), Ohta
patent: 4992753 (1991-02-01), Jenson et al.

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