Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1997-01-16
1999-08-31
Le, Dinh T.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
327538, 327540, 327172, 331 57, H03B 524, G05F 316
Patent
active
059458704
ABSTRACT:
Various embodiments for controlling a ramp rate of a high voltage generator circuit such as a charge pump circuit are disclosed. In one embodiment the ramp rate of the output signal is controlled by modulating an amplitude of the oscillating signal at the input of the charge pump circuit. In another embodiment, the ramp rate is controlled by modulating the current loading at the output of the charge pump circuit. In yet another embodiment, the ramp rate of the output signal is controlled by modulating the frequency of the oscillating signal at the input of the charge pump circuit.
REFERENCES:
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patent: 5041739 (1991-08-01), Goto
patent: 5168174 (1992-12-01), Naso et al.
patent: 5389998 (1995-02-01), Taketoshi et al.
patent: 5585765 (1996-12-01), O'Shaughnessy
Chu Michael H.
Costello John
Liang Gwen G.
Turner John
Wong Myron W.
Altera Corporation
Le Dinh T.
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