Charge-transfer modulator-demodulator

Details Charge-transfer modulator-demodulator Charge-transfer modulator-demodulator

1981-02-19

1984-09-18

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375103, 333165, 364724, H03H 730

Patent

active

044728107

ABSTRACT:
The output filters of the modulator and of the demodulator, the input filter of the demodulator are transverse charge-transfer filter whose weighting coefficients are determined by the result of the division between the numerator and the denominator of the recursive charge-transfer filter having the desired passband characteristic, the number of the coefficients which the transverse filter comprises being limited.

REFERENCES:
patent: 3655915 (1972-04-01), Liberman et al.
patent: 3794928 (1974-02-01), Stump et al.
patent: 4145675 (1979-03-01), Picquendar
patent: 4257019 (1981-03-01), Gonin et al.
patent: 4270027 (1981-05-01), Agrawal et al.
patent: 4330687 (1982-05-01), Foulkes et al.
patent: 4336613 (1982-06-01), Hewes
Halijak, "From Switched--Capacitor to Digital Filter", Jun. 20, 1979, Computer and Electrical Engineering, Vol. 6, pp. 153-157.

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