Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1990-11-29
1992-06-09
Miller, Stanley D.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307261, 307264, 307490, 328 26, G06G 712
Patent
active
051210088
ABSTRACT:
A circuit for modulating or demodulating an input potential includes a first operational amplifier for receiving the input potential and a second operational amplifier for outputting an output potential. A resistor network is connected to the operational amplifiers. A switch with a first position and a second position is connected to the resistor network and to at least one of the operational amplifiers. The circuit also includes a mechanism for repeatedly driving the switch between its first position and its second position. When the switch is in its first position, the output potential equals the input potential. When the switch is in its second position, the output potential equals minus one times the input potential.
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Horowitz, Paul et al.; The Art of Electronics, 2d. ed.; 1989; p. 183.
Cunningham Terry D.
Miller Stanley D.
Pitchenik David E.
Scolnick Melvin J.
Whisker Robert H.
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