Current compensating charge pump circuit

Details Current compensating charge pump circuit Current compensating charge pump circuit

1992-06-15

1993-02-02

Sikes, William L.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072961, 307264, 307355, 307364, H03K 301, H03K 522

Patent

active

051840286

ABSTRACT:
A charge pump circuit (10) has been provided for maintaining the currents sunk by each of the bottom current sources (12, 14) substantially equal to the current sourced from a first upper current source (16). The present invention maintains the voltage across a second upper current source (64) that determines the current for the lower current sources to be modified with respect to corresponding changes in the first upper current source wherein these changes in the first upper current source are due to a varying voltage occurring at the output (18) of the charge pump circuit.

REFERENCES:
patent: 4922131 (1990-05-01), Anderson et al.
patent: 4975596 (1990-12-01), Thomas et al.

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