Switch circuit, variable capacitor circuit and IC of the same

Details Switch circuit, variable capacitor circuit and IC of the same Switch circuit, variable capacitor circuit and IC of the same

2011-05-17

2011-05-17

Hiltunen, Thomas J (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C327S389000

Reexamination Certificate

active

07944268

ABSTRACT:
A first terminal T1is connected to the drain (or the source) of a MOS-FET (Q11), whose back gate is separated, through a capacitor C11. The MOS-FET (Q11) is connected at the source (or the drain) thereof to a second terminal T2. The back gate is connected to the source (or the drain). A control voltage VG is supplied to the gate of the MOS-FET (Q11), and a voltage having a polarity reversed from that of this control voltage VG is supplied to the drain through a resistance element R12.

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