Wideband gain stable amplifier

Details Wideband gain stable amplifier Wideband gain stable amplifier

1995-03-24

1996-11-19

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including frequency-responsive means in the signal...

330107, 330294, H03F 3189

Patent

active

055766633

ABSTRACT:
A method and apparatus for increasing the bandwidth of an operational amplifier and including a capacitor being connected across the inverting and non-inverting inputs of the operational amplifier and further including a feedback circuit connected from the output to one of the inputs, the inverting input, and wherein the value of the capacitance is selected such that the time constant of an RC network including the capacitance and the feedback circuit impedance is proportional to the inverse of the product of the closed loop gain and a factor .beta. which equates the absolute value of the gain at two different frequencies.

REFERENCES:
patent: T904030 (1972-01-01), Davie
Della Mussia, "Integrated Amplifiers", Electron. & Appl. Ind. (France) No. 275, Nov. 1, 1979 p. 35.
Wyland, "Power of Amp Provides .+-.100-mA Output and Up to 100-V/.mu.s Slew Rate", Electronic Design 10 May 10, 1973, p. 146.

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