Ultra linear frequency discriminator circuitry

Details Ultra linear frequency discriminator circuitry Ultra linear frequency discriminator circuitry

1983-04-07

1985-06-25

Miller, Stanley D.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328136, 307519, 307520, 307522, 307540, 307552, 307553, 307261, 333126, 333129, 333132, 333134, 329110, 329168, 329170, H03K 500, H03K 1100, H03K 906

Patent

active

045256756

ABSTRACT:
Signals to be discriminated are supplied through a controllable attenuator and power splitter to first and second discriminators with response slopes which are equal and of opposite sign. The outputs of the discriminators are summed and a reference signal is subtracted from the sum to produce a control signal which adjusts the input attenuator to maintain the amplitude of the input signal constant. The outputs of the discriminators are also subtracted to provide an output signal which is a linear function of frequency and independent of input amplitude.

REFERENCES:
patent: 3324400 (1967-06-01), Battail et al.
patent: 3614640 (1971-10-01), Wolf
patent: 3758868 (1973-09-01), Brown
patent: 3909717 (1975-09-01), Gazzano
patent: 3921083 (1975-11-01), Kratt et al.
patent: 4079325 (1978-03-01), Mawhinney et al.
patent: 4085377 (1978-04-01), Turski et al.
patent: 4163951 (1979-08-01), Alhara et al.

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