Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1993-12-14
1996-03-26
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327391, 327544, H03F 130
Patent
active
055024173
ABSTRACT:
An input amplifier circuit including a gate circuit for amplifying such as a NAND circuit or a NOR circuit, in which a signal to be amplified is input from a first input terminal and an operating state or an inoperative state is selected by an enable signal input to a second input terminal, and a switch circuit including a resistance part, which is connected between the first input terminal and the output terminal of the NOR circuit and is controlled by the enable signal. A first MOS transistor is connected between a direct current power source and the first input terminal and is controlled by the enable signal and a second MOS transistor is connected between the first input terminal and ground and is controlled by the enable signal. Hence, a time required for raising from the inoperative state up to the operating state is reduced.
REFERENCES:
patent: 3812384 (1974-05-01), Skorup
patent: 4568842 (1986-02-01), Koike
patent: 4950926 (1990-08-01), Isobe et al.
patent: 4963769 (1990-10-01), Hiltpold et al.
patent: 5115150 (1992-05-01), Ludwig
patent: 5311070 (1994-05-01), Dooley
Callahan Timothy P.
NEC Corporation
Nu Ton My-Trang
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