Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1992-03-20
1994-08-23
Callahan, Timothy P.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307494, 307353, 307520, 307364, 328127, 328151, 328165, 328167, 330 9, G06G 712, H03K 5153, H03K 500, H03K 102
Patent
active
053410505
ABSTRACT:
A switched capacitor circuit (10) is responsive to a two phase repetitive clock signal comprised of alternating periods (.phi.1) and (.phi.2). The circuit includes a first input branch including a first amplifier (A) for charging a first capacitance (C1) from a first input signal during period (.phi.2). The circuit further includes a second input branch that includes a second amplifier (B) for charging a second capacitance (CA) from a second input signal during a period (.phi.1A), and for charging a third capacitance (CB) from the second input signal during a period (.phi.1B); wherein (.phi.1A) and (.phi.1B) alternate in occurrence with one another during successive (.phi.1) periods. The circuit further includes switches for coupling the first capacitance and the second capacitance to an input of an output amplifier (C) during (.phi.1B), and for coupling the first capacitance and the third capacitance to the input of the output amplifier during (.phi.1A). The teaching of the invention provides for the interconnection of several switched capacitor branches without requiring that any two series connected amplifiers settle during the same clock phase.
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Mellissinos Anthony
Powell Scott
Callahan Timothy P.
Denson-Low W. K.
Hughes Aircraft Company
Phan Troug
Schubert W. C.
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