Source follower circuit using FETs

Details Source follower circuit using FETs Source follower circuit using FETs

1978-04-13

1979-09-18

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including push-pull amplifier

330277, 330300, H03F 3185

Patent

active

041684710

ABSTRACT:
A source follower circuit using at least one FET in which an end of a resistor element is connected to the gate terminal of the FET and the other end of the resistor element is connected to a signal source which generates a comparatively large AC input signal. The resistance of the resistor element is determined to be at such a value as to prevent oscillation of the FET which is likely to occur depending on the length of the wiring between the signal source and gate terminal and the length of wiring between the source terminal and a load.

REFERENCES:
patent: 3678402 (1972-07-01), Tempel
patent: 3921089 (1975-11-01), Tsurushima
patent: 4057764 (1977-11-01), Yokoyama
Chessman, "Prevent Emitter-Follower Oscillation", Electronic Design 13, Jun. 21, 1976, pp. 110-113.
Lynch, "MOSFET Amplifier Provides Almost Infinite Impedances", Electronics, Jul. 24, 1967, p. 88.

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