Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With specific source of supply or bias voltage
Patent
1997-07-24
1999-06-29
Wells, Kenneth B.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With specific source of supply or bias voltage
363 60, 307110, H02M 318
Patent
active
059173661
ABSTRACT:
Disclosed is a voltage booster or drop circuit. The voltage booster or drop circuit includes: a plurality of diode devices connected in series; a plurality of capacitors, first electrodes of which are connected to connection points of the diode devices, for which a pulse signal is supplied to second electrodes of the capacitors and a raised voltage or dropped voltage is output to the last stage of the diode devices; and pulse generation device. The pulse generation device supplies a first pulse signal to the second electrodes of odd numbered capacitors and supplies a second pulse signal, the phase of which is opposite that of the first pulse signal, to the second electrodes of even numbered capacitors. In a second condition which is different from the first condition, the pulse generation device supplies a third pulse signal to the second electrodes of odd numbered at least one pair of capacitors and supplies a fourth pulse signal, the phase of which is opposite that of the third pulse signal, to the second electrodes of even numbered at least one pair of capacitors.
REFERENCES:
patent: 4236199 (1980-11-01), Stewart
patent: 5499183 (1996-03-01), Kobatake
patent: 5680300 (1997-10-01), Szepesi et al.
Fujitsu Limited
Wells Kenneth B.
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