Multiplexed CCD pulse width discriminator

Details Multiplexed CCD pulse width discriminator Multiplexed CCD pulse width discriminator

1978-07-20

1980-09-16

Dixon, Harold A.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307221D, 307234, 328111, 328147, H03K 522

Patent

active

042232708

ABSTRACT:
A pulse width discriminator comprises a tapped analog delay line which preferably is a charge coupled device (CCD). The taps are spaced one sample time apart along the delay line. A correlator output is obtained by summing the outputs of all taps. A pulse amplifier output is obtained by weighting and adding the signals from selected taps. The correlator output corresponds to a low-pass filter. The sample rate is at the Nyquist rate. The pulse amplifier output is a maximum for a pulse width determined by the length of the delay line (in terms of number of sample points) divided by the sample frequency. The correlator output has a maximum corresponding to the maximum of the pulse and can be used to determine the presence of a pulse. This pulse processor is also capable of handling a plurality of inputs by multiplexing them.

REFERENCES:
patent: 3315168 (1967-04-01), Cantella
patent: 3334298 (1967-08-01), Monrad-Krohn
patent: 3787852 (1974-01-01), Puckette et al.
patent: 3952188 (1976-04-01), Sloate et al.
patent: 3997973 (1976-12-01), Buss
patent: 4064408 (1978-07-01), Hon et al.
patent: 4100513 (1978-07-01), Weckler

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