Field effect transistor gate circuit for analog signals

Details Field effect transistor gate circuit for analog signals Field effect transistor gate circuit for analog signals

1983-10-31

1985-11-05

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307570, 307554, 307304, H03K 1716, H03K 17693

Patent

active

045516448

ABSTRACT:
A gate circuit for analog signals composed of field effect transistors is provided. The analog signal is switched on and off by variation of the conductance of the FETs. Distortion of the signal is a crucial problem for such circuits, which is overcome by detecting the voltages at both the source and drain sides of the switching transistor which controls the signals to be on and off, and by feeding the voltages back to the gate of the switching transistor. The inner resistance of the switching transistor when it is in the on state is reduced, and becomes symmetric at both sides of V.sub.DS0. As a result the second order distortion is greatly reduced.

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patent: 4103186 (1978-07-01), Albarran et al.

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