Amplifier circuit operating with single bias supply and less sen

Details Amplifier circuit operating with single bias supply and less sen Amplifier circuit operating with single bias supply and less sen

1996-12-16

1998-12-08

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including field effect transistor

330286, 330296, H03F 3193

Patent

active

058476083

ABSTRACT:
An amplifier circuit is powered by a single power voltage source connected to a drain node of a field effect transistor, and a series of a resistor and a diode produces a gate bias voltage from the power voltage at the single power voltage source so as to increase the resistance of a resistor connected to the source node of the field effect transistor, thereby decreasing a sensitivity of drain current to undesirable variation of the threshold voltage.

REFERENCES:
patent: 4590436 (1986-05-01), Butler et al.
patent: 5548247 (1996-08-01), Ogino et al.
Brian Hughes, Julio Perdomo, Hiroshi Kondoh; 12 GHZ Low Noise MMIC Amplifier Designed with a Noise Model that Scales with MODFET Size and Bias; Dec. 1993; pp. 2311-2316.

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