FET Amplifier with wide dynamic range

Details FET Amplifier with wide dynamic range FET Amplifier with wide dynamic range

1982-05-17

1983-12-13

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including field effect transistor

250214A, 307311, 330290, 330300, 330308, H03F 316, H03F 308

Patent

active

044207247

ABSTRACT:
A simple method for increasing the dynamic range of a GaAs FET amplifier is described. The drain resistance of the FET is adjusted to induce leakage current across the gate-source junction when excessive power levels are imposed on the gate. This current shunt is provided without added circuit components and therefore does not affect the sensitivity or bandwidth performance of the amplifier.

REFERENCES:
patent: 4053847 (1977-10-01), Kumahara et al.

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