Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1988-09-15
1994-02-08
Gregory, Bernarr E.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307262, 333100, 328 55, H02K 513, H03L 700
Patent
active
052851206
ABSTRACT:
An electrical circuit provides a constant phase shift between two output signals derived from a common input. The output signals are designed to provide a constant phase shift at constant amplitude over a very large frequency range. The common input is provided to both a non-shift channel and a phase-shift channel. The non-shift channel comprises a fixed attenuator circuit that provides a non-shifted output signal. The phase shift channel comprises a low-pass RC filter circuit that provides a phase shifted output signal. The two output channels are connected by a transformer phase detector that generates an error signal. The error signal is input to an operational amplifier that provides a phase-shift control signal to the RC filter circuit of the phase-shift channel.
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Gregory Bernarr E.
Hamann H. Fredrick
McFarren John C.
Murrah M. Lee
Rockwell International Corporation
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