Pulse width and amplitude screening circuit

Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons

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Details

328115, 328147, 307235N, 307234, H03K 520, G06G 714

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active

039612716

ABSTRACT:
A circuit is provided to produce an output pulse for each analog input pulse whose amplitude and width fall within specified limits. A first amplitude comparator produces a first signal when the amplitude of one of the input pulses exceeds a first reference amplitude and a second amplitude comparator produces a second signal when the width of the one of the input pulses has an amplitude exceeding a second reference amplitude different than the first reference amplitude. Digital circuitry is coupled to the second amplitude comparator to convert the second signal into a binary count, to produce a third signal when the count is greater then a minimum pulse width reference count and to produce a fourth signal when the count is less than a maximum pulse width reference count. A logic gate and pulse generator is coupled to the first amplitude comparator and the digital circuitry responsive to the simultaneous presence of the first, third and fourth signals to produce the circuit output pulse. A system employing a plurality of the above described circuits enables the production of a system output pulse for each analog input pulse whose amplitude and width fall within a given range of amplitudes and a given range of widths with each of the plurality of the above-described circuits having different first and second reference amplitudes to cover the given range of the amplitudes and widths.

REFERENCES:
patent: 3095541 (1963-06-01), Ashcraft
patent: 3214700 (1965-10-01), Hook
patent: 3456201 (1969-07-01), Zrubek
patent: 3600688 (1971-08-01), Booth
patent: 3701029 (1972-10-01), Hogg
patent: 3710264 (1973-01-01), Doti et al.
patent: 3790881 (1974-02-01), Smith

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