Fully-differential reference voltage source

Details Fully-differential reference voltage source Fully-differential reference voltage source

1989-07-05

1990-05-15

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330257, H03F 345

Patent

active

049261380

ABSTRACT:
The source is apt to generate a fully-differential reference voltage at the output terminals, whereto precisely-balanced loads are applied. The voltage reference is obtained from a bandgap voltage source fed with currents proportional to the temperature, in order to minimize thermal voltage variations. Suitable circuits for starting the normal source operation after switching on are also provided.

REFERENCES:
patent: 4794349 (1988-12-01), Senderowicz et al.
patent: 4818897 (1989-04-01), Krenik

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