Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Reexamination Certificate
2005-06-07
2005-06-07
Patel, Rajnikant B. (Department: 2838)
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
C327S538000, C323S313000, C323S315000
Reexamination Certificate
active
06903601
ABSTRACT:
An integrated circuit (IC) with metal oxide semiconductor field effect transistor (MOSFET) circular for generating a reference signal having a value which remains substantially constant over variations in one or more of the processing (P) of, power supply voltage (V) for and operating temperature (T) of the IC, with such reference signal being suitable for use in generating one or more biasing signals for one or more MOSFETs such that each MOSFET so biased will have a substantially constant ratio of transconductance and drain current.
REFERENCES:
patent: 4583037 (1986-04-01), Sooch
patent: 4808847 (1989-02-01), Van Kessel
patent: 5198782 (1993-03-01), Scott
patent: 5892356 (1999-04-01), Chuang
patent: 5929699 (1999-07-01), Lewicki
patent: 6069520 (2000-05-01), Yamamoto et al.
patent: 6160432 (2000-12-01), Rhee et al.
National Semiconductor Corporation
Patel Rajnikant B.
Vedder Price Kaufman & Kammholz P.C.
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