Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1990-12-03
1992-07-14
LaRoche, Eugene R.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307246, H03K 301
Patent
active
051305704
ABSTRACT:
A positive energizing voltage, preferably in a CMOS circuit, is converted, primarily by a pair of buffer capacitors and secondarily by a filter capacitor, to a particular negative potential. One buffer capacitor is charged through first switches by the positive voltage during the positive half cycles of a clock signal. The buffer capacitor is discharged to a load during the negative half cycles of the clock signal through a circuit including such buffer capacitor, second switches, a third switch, a reference voltage (e.g. ground) line and a line for providing a negative biasing potential. The other buffer capacitor is charged through fourth switches by the positive voltage during the negative half cycles of the clock signals. This buffer capacitor is discharged to the load during the positive half cycles of the clock signals through a circuit including such other buffer capacitor, fifth switches, the third switch, the reference voltage line and the negative potential line. The third switch has at each instant a variable state of conductivity dependent upon the magnitude of the negative biasing potential at that instant. The magnitude of the negative potential is varied in accordance with the variations in the state of conductivity of the third switch to regulate the negative potential at a particular value. The filter capacitor is charged by the negative biasing potential and is discharged to the load when the second and fifth switches are simultaneously open. This occurs for a brief interval every time that the polarity of the clock signal changes.
REFERENCES:
patent: 3962591 (1976-06-01), Popka
patent: 4922139 (1990-05-01), Giebel
Brooktree Corporation
LaRoche Eugene R.
Roston Ellsworth R.
Schwartz Charles H.
Zarabian A.
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