Filtering device using the transfer of electrical charges into a

Details Filtering device using the transfer of electrical charges into a Filtering device using the transfer of electrical charges into a

1979-11-21

1982-10-26

Nussbaum, Marvin L.

Wave transmission lines and networks

Coupling networks

Frequency or time domain filters and delay lines utilizing...

307221D, 333166, H03H 1502, G11C 2702

Patent

active

043564631

ABSTRACT:
Two analog filters of the second order are arranged in series with a transverse charge transfer filter upstream and downstream of the latter. The analog filters are switched capacitor filters having an amplifier and a network of capacitors and MOS transistors. The filtering device is entirely integrated onto the same semiconductor substrate.

REFERENCES:
patent: 3953745 (1976-04-01), Bailey
patent: 4099197 (1978-07-01), Ibrahim et al.
patent: 4195273 (1980-03-01), Prince
patent: 4205283 (1980-05-01), Donnally, Jr.
patent: 4246553 (1981-01-01), Pfleiderer
Caves--"Sampled Analog Filtering Using Switched Capacitors as Resistance Equivalents", IEEE Journal of Solid-State Circuits, vol. SC-12, No. 6, Dec. 1977, pp. 592-608.
Puckette et al.--"Bucket-Brigade Transversal Filters" IEEE Transactions on Circuits and Systems, vol. CAS-21, No. 4, Jul. 1974; pp. 502-510.

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