Circuit arrangement having a load transistor and a voltage...

Details Circuit arrangement having a load transistor and a voltage... Circuit arrangement having a load transistor and a voltage...

2005-02-11

2008-11-18

Wells, Kenneth B. (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Amplitude control

C327S108000, C327S427000

Reexamination Certificate

active

07453308

ABSTRACT:
The invention relates to a circuit arrangement having connecting terminals (K1, K2) for application of a supply voltage (V+) and having a load transistor (M) for connecting a load (Z) to the supply voltage, said load transistor having a control terminal (G) and a first and second load terminal (D, S), the control terminal (G) of the load transistor (2) being coupled to a drive terminal (IN) for application of a drive signal (Sin). A voltage limiting circuit (10) is connected between one (D) of the load terminals and the drive terminal (G) of the transistor, a deactivation circuit (20) being provided, which is designed to deactivate the voltage limiting circuit (10) in a manner dependent on the supply voltage (V+).

REFERENCES:
patent: 5347169 (1994-09-01), Preslar et al.
patent: 5352932 (1994-10-01), Tihanyi
patent: 5401996 (1995-03-01), Kelly
patent: 5519341 (1996-05-01), Corsi et al.
patent: 5576648 (1996-11-01), Rossi et al.
patent: 5581432 (1996-12-01), Wellnitz et al.
patent: 5883537 (1999-03-01), Luoni et al.
patent: 6087877 (2000-07-01), Gonda et al.
patent: 6778001 (2004-08-01), Mayama et al.
patent: 6888711 (2005-05-01), Kohno

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