Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – Nonlinear amplifying circuit
Patent
1993-11-10
1995-05-02
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
Nonlinear amplifying circuit
327561, 327545, 330288, 330310, H03F 368
Patent
active
054123364
ABSTRACT:
A cascode amplifier circuit including an input mirroring transistor (401) that generates a first output current (403) in response to the input signal. A diode connected transistor (404) generates a control bias proportional to the first output current. A cascode connected transistor output stage (405) includes a common source transistor (406) coupled to the input signal and the input mirroring transistor (401) for establishing an output current (407) in the cascode connected transistor output stage. A common gate transistor (408) is coupled to the diode connected transistor (404) and the common source transistor (406) for isolating the common source transistor (406) from any change in an output voltage present at an output terminal (409) of the common gate transistor (408) while operating to control the output currently(407) in response to the control bias.
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patent: 4825018 (1989-04-01), Okada et al.
patent: 5057722 (1991-10-01), Kobatake
patent: 5162680 (1992-11-01), Norman et al.
patent: 5177374 (1993-01-01), Carpenter et al.
patent: 5245222 (1993-09-01), Carobolante
Barrett, Jr. Raymond L.
Herold Barry W.
Pajunen Grazyna A.
Callahan Timothy P.
Lam T.
Motorola Inc.
Rasor Gregg E.
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