Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1995-03-20
1997-01-14
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327543, 327546, 327539, 323315, G05F 110, G05F 302
Patent
active
055943829
ABSTRACT:
A constant voltage circuit adapted for connection between high voltage power source and low voltage power source terminals respectively to output a constant voltage signal from an output terminal in response to a control signal inputted to an input terminal. The circuit has a resistor circuit including a MOS transistor for connection to the high voltage power source and activated in response to the control signal. A current mirror section is connected between the resistor circuit and the low voltage power source terminal to generate an output voltage to be outputted from the output terminal. A feedback section is connected between the resistor circuit and the low voltage power source terminal to control the current mirror section to keep the output voltage constant by detecting deviation of the output voltage.
REFERENCES:
patent: 3996482 (1976-12-01), Lockwood
patent: 4698529 (1987-10-01), Asami
patent: 4716305 (1987-12-01), Sakuragi et al.
patent: 5159516 (1992-10-01), Fujihira
patent: 5189316 (1993-02-01), Murakami et al.
patent: 5218238 (1993-06-01), Honaka et al.
patent: 5300837 (1994-04-01), Fischer
patent: 5309083 (1994-05-01), Pierret et al.
patent: 5381083 (1995-01-01), Inamori et al.
Kato Susumu
Mizuno Moriaki
Nonaka Kazuyuki
Ogawa Kazumi
Callahan Timothy P.
Fujitsu Ltd.
Fujitsu VLSI Limited
Nu Ton My-Trang
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