Feedback apparatus including ultra low valve current source

Details Feedback apparatus including ultra low valve current source Feedback apparatus including ultra low valve current source

1998-06-18

2000-07-25

Han, Jessica

Electricity: power supply or regulation systems

Output level responsive

Using a three or more terminal semiconductive device as the...

323315, G05F 144

Patent

active

060940379

ABSTRACT:
A feedback apparatus includes a current amplifier for generating a binary error signal corresponding to a received feedback signal, a switched capacitor filter, coupled to the current amplifier, for averaging the binary error signal and providing a voltage reference corresponding thereto, and an output stage, coupled to the switched capacitor filter and to the current amplifier, for outputting a current corresponding to a magnitude of the voltage reference and for providing the feedback signal to the current amplifier.

REFERENCES:
patent: 5012133 (1991-04-01), Hughes
patent: 5028822 (1991-07-01), Hughes
patent: 5408174 (1995-04-01), Leonowich
patent: 5451861 (1995-09-01), Giebel
patent: 5508660 (1996-04-01), Gersbach et al.
patent: 5532915 (1996-07-01), Pantelakis et al.
patent: 5629650 (1997-05-01), Gersbach et al.
patent: 5694032 (1997-12-01), Gersbach et al.
patent: 5852359 (1998-12-01), Callahan, Jr. et al.
patent: 5864257 (1999-01-01), Rothenberg

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