System and method for pre-charging a current mirror

Details System and method for pre-charging a current mirror System and method for pre-charging a current mirror

2011-08-09

2011-08-09

Nguyen, Hieu P (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including current mirror amplifier

C327S535000

Reexamination Certificate

active

07994861

ABSTRACT:
A system for pre-charging a current mirror includes a controller configured to provide a first current and an additional current to a current mirror to rapidly charge a capacitance associated with the current mirror based on a reference voltage or control signals. A power amplifier module includes at least one current mirror and a controller. A capacitor is coupled to the current mirror. The controller provides a bias current in an amount proportional to an input to a voltage-to-current converter. The controller receives a control signal that directs the controller to apply one of a pre-charge voltage and a nominal voltage to the voltage-to-current converter.

REFERENCES:
patent: 6154065 (2000-11-01), Komatsu
patent: 7030688 (2006-04-01), Dosho et al.
patent: 7218170 (2007-05-01), Carter et al.
patent: 2008/0157875 (2008-07-01), Behzad et al.
patent: 3255523 (1991-11-01), None
patent: 2000207888 (2000-07-01), None
Prosecution history of U.S. Appl. No. 11/930,572, 35 pp.

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