Voltage divider and use as bias network for stacked transistors

Details Voltage divider and use as bias network for stacked transistors Voltage divider and use as bias network for stacked transistors

1991-04-23

1993-08-03

Stephan, Steven L.

Electricity: power supply or regulation systems

Self-regulating

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

3072966, 330261, 330257, 323315, G05F 324

Patent

active

052332896

ABSTRACT:
A voltage divider including a plurality of series connected depletion mode field effect transistors having their gates and sources biased to operate in saturation mode for the operating range of the divider. Preferably, the gates and sources are connected together. A series resistor adjusts the value of the divider element. A parallel resistor defines the output resistance of the divider element. The voltage divider may be used as a biasing network for stacked transistors. A buffer may be provided between the voltage divider and the control terminal of the stacked transistors. The voltage divider may be used to bias follower stages and the input stages of an operational amplifier.

REFERENCES:
patent: 3723892 (1973-03-01), Julie
patent: 3950654 (1976-04-01), Broedner et al.
patent: 4464588 (1984-08-01), Wieser
patent: 4663584 (1987-05-01), Okada
patent: 4694199 (1987-09-01), Goetz
B-L Hart. Precision Voltage Divider Circuit, Nov. 18, 1971, pp. 679-680.

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