Switch circuit

Details Switch circuit Switch circuit

2006-04-04

2006-04-04

Ngo, Ricky (Department: 2663)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C370S359000, C333S101000, C333S08100R

Reexamination Certificate

active

07023258

ABSTRACT:
A plurality of first transistors are connected in series between the first terminal and the second terminal. A plurality of second transistors are connected in series between the first terminal and the third terminal. One end of a resistor is connected to the first terminal, and the other end of the resistor is grounded. Either the first transistor or the second transistor is controlled to be ON. A resistance value of the resistor is set at such a value that a difference between a gate voltage of the first or second transistor being ON and a pinch-off voltage of the first or second transistor being ON is set greater than the amplitude of the potential of the first terminal which varies upon reception of a signal flowing to the first terminal. In this structure, the first and second transistors are appropriately operated regardless of signal frequency.

REFERENCES:
patent: 5969560 (1999-10-01), Kohama et al.
patent: 6118985 (2000-09-01), Kawakyu et al.
patent: 6542045 (2003-04-01), Nishibe
patent: 11-46101 (1999-02-01), None

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