Filter-discriminator circuit

Details Filter-discriminator circuit Filter-discriminator circuit

1973-07-23

1976-01-13

Zazworsky, John

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328117, 328120, 328151, H03K 520

Patent

active

039327671

ABSTRACT:
A train of pulses introduced into a filter-discriminator circuit is processed therein, the amplitudes of adjacent pulses in the input train being compared against one another deriving an output signal from that comparison whose amplitudes equal the differences in amplitude between adjacent pulses. Adjacent pulses in the train of like amplitude, produce only low amplitude transient signals that are mostly blanked out by circuitry within the discriminator. By connecting a second filter-discriminator circuit in series with the first, the output therefrom will produce a signal having peak or spike pulses therein whose amplitudes equal the double derivative of unlike pulses in the train of pulses. The output peak of spike pulses can then be used as trigger pulses keying timer and associated circuitry.

REFERENCES:
patent: 3116458 (1963-12-01), Margopoulos
patent: 3508158 (1970-04-01), Marchese

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