Miscellaneous active electrical nonlinear devices – circuits – and – Specific identifiable device – circuit – or system – With bootstrap circuit
Patent
1997-03-04
1999-05-18
Callahan, Timothy P.
Miscellaneous active electrical nonlinear devices, circuits, and
Specific identifiable device, circuit, or system
With bootstrap circuit
327390, H03K7/162;17/16
Patent
active
059054042
ABSTRACT:
A bootstrap clock generator powered by a variable DC power supply voltage signal generates an approximate boost voltage signal depending on the DC power supply voltage signal level. The clock generator comprises a capacitor having a first and a second terminal and a first switching circuit coupled to the first terminal so as to couple the variable voltage supply signal to the first terminal. A second switching circuit is coupled to the second terminal so as to couple a variable reference voltage signal to the second terminal. A third switching circuit is coupled to the second terminal so as to connect a substantially fixed reference voltage signal to the second terminal. A first and a second control signal activates the switching circuits, such that the first control signal activates the first and second switching circuits, and the second control signal activates the third switching circuit.
REFERENCES:
patent: 4091360 (1978-05-01), Lynch
patent: 4583157 (1986-04-01), Kirsch et al.
patent: 4807104 (1989-02-01), Floyd
patent: 5030858 (1991-07-01), Sekiya
patent: 5051881 (1991-09-01), Herold
Callahan Timothy P.
Lucent Technologies - Inc.
Nguyen Hai L.
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