Amplifiers – With periodic switching input-output
Patent
1992-08-27
1994-02-15
Mullins, James B.
Amplifiers
With periodic switching input-output
330253, 330260, 330294, H03F 102, H03F 345
Patent
active
052870685
ABSTRACT:
An amplifier includes first and second amplifying stages with the first amplifying stage having an inverting input, a non-inverting input and an intermediate output node at which is produced a signal responsive to signals applied to the inverting and non-inverting inputs. The second amplifying stage has an input connected to the intermediate output node and an output connected to an amplifier output terminal. A selectively enabled transmission gate is connected in series with a capacitor between the input and the output of the second amplifying stage. The selectively enabled transmission gate means, when enabled, functions as a resistance which in combination with the capacitor provides frequency compensation for the amplifier. When the transmission gate is disabled, it functions to disconnect one side of the capacitor and eliminates its loading effect on the amplifier stage.
REFERENCES:
patent: 4320347 (1982-03-01), Haque
patent: 4714843 (1987-12-01), Smith
patent: 4933643 (1990-06-01), Jandu et al.
Olmstead John A.
Vulih Salomon
Harris Corporation
Krawczyk C. C.
Mullins James B.
Romano Ferdinand
Schanzer Henry I.
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