Integrated filter circuit

Wave transmission lines and networks – Coupling networks – Frequency or time domain filters and delay lines utilizing...

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333166, H03H 1502

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active

042465532

ABSTRACT:
This invention relates to an integrated filter circuit with a charge transfer device transversal filter and a further low-pass filter pre-connected to the transversal filter. The pre-connected filter includes a first capacitor and a second, significantly smaller capacitor, as well as two alternately actuable electronic switches.

REFERENCES:
Caves et al., IEEE Journal of Solid-State Circuits, vol. SC-12, No. 6, Dec. 1977, pp. 609-616.
Knauer et al., Siemens-Forschungs-V. Entwicklungsberichten, vol. 7, No. 3, 1978 pp. 138-142.
Sequin, IEEE Journal of Solid State Circuits, vol. SC-12, No. 6, Dec., 1977, pp. 592-599.

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