Clamping semiconductor circuit

Details Clamping semiconductor circuit Clamping semiconductor circuit

1995-10-04

1998-02-24

Callahan, Timothy P.

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

327328, H03K 508

Patent

active

057215049

ABSTRACT:
The invention provides a clamping semiconductor circuit in which a first transistor of one conductivity type and a second transistor of another conductivity type are connected in series to each other and interposed between a power supply terminal and a signal line. The second transistor is supplied with a predetermined voltage, thereby allowing a current to flow from a power supply to the signal line. When the voltage of the signal line becomes equal to the predetermined voltage, all the transistors become nonconductive, thereby cutting off an unwanted current flowing from a power supply into the signal line.

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patent: 5283484 (1994-02-01), Brehmer et al.
patent: 5420499 (1995-05-01), DeShazo
patent: 5525917 (1996-06-01), Wong et al.

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