Low power CMOS reference generator with low impedance driver

Details Low power CMOS reference generator with low impedance driver Low power CMOS reference generator with low impedance driver

1985-03-04

1987-01-06

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307296R, 307491, 307496, 307548, 323313, G05F 324

Patent

active

046348948

ABSTRACT:
A low power, low output impedance, CMOS voltage reference with high source/sink current driving capability. A CMOS current mirror preamplifier includes matched transistor pairs having their W/L ratios scaled to reduce the level of current to the subthreshold region. A CMOS source follower output stage also has its transistors biased in the subthreshold region. Circuitry for protecting the preamplifier from the effects of supply voltage and output voltage bumps is also disclosed.

REFERENCES:
patent: 4061962 (1977-12-01), Stewart
patent: 4264874 (1981-04-01), Young
patent: 4453094 (1984-06-01), Peil et al.
patent: 4595844 (1986-06-01), Shen
Tsividis et al., "A CMOS Voltage Reference", IEEE J.S.S.C., vol. SC-13, No. 6, 12-1978, pp. 774-778.
Blauschild et al, "A New NMOS Temperature Stable Voltage Reference", IEEE J.S.S.C., vol. SC-13, No. 6, 12-1978, pp. 767-773.

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