NMOS Voltage reference generator

Details NMOS Voltage reference generator NMOS Voltage reference generator

1979-06-21

1981-05-12

Shoop, William M.

Electricity: power supply or regulation systems

Self-regulating

Using a three or more terminal semiconductive device as the...

307297, 307304, 330253, G05F 156

Patent

active

042675014

ABSTRACT:
An NMOS voltage regulator circuit generates a reference voltage for comparison with, for example, TTL logic levels. A resistive voltage divider coupled to a 5 volt source produces a voltage of, for example, 1.5 volts which is applied to the non-inverting input of a differential amplifier. The reference voltage appears at the inverting input of the differential amplifier. Field effect transistor means are provided to raise or lower the voltage at the inverting input depending on whether a negative or positive excursion has taken place.

REFERENCES:
patent: 3743923 (1973-07-01), Steudel
patent: 3970875 (1976-07-01), Leehan
patent: 3970951 (1976-07-01), Hoffman
patent: 4158804 (1979-06-01), Butler et al.

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