Output circuit for charge transfer transversal filter

Details Output circuit for charge transfer transversal filter Output circuit for charge transfer transversal filter

1975-09-02

1977-09-13

Larkins, William D.

Electrical transmission or interconnection systems

Personnel safety or limit control features

Interlock

307221D, 307237, 307355, 333 70T, 357 24, H03K 520, H03K 508, G11C 1928, H03H 710

Patent

active

040485250

ABSTRACT:
The output circuit includes a high gain differential amplifier having an inverting input terminal, a non-inverting input terminal and an output terminal with a feedback capacitance connected between the output terminal and the inverting input terminal. The input terminals are connected to first and second commonly phased lines of the charge transfer transversal filter. A first switchable impedance means is connected between the first line and the output terminal. A second switchable impedance means is connected between the second line and a d-c source of voltage. The lines are charged periodically to the voltage of the source by the first and second switchable impedance means prior to the transfer of charge in a cycle of operation of the filter and are then isolated from the source during the transfer of charge in the filter by the first and second switchable impedance means.

REFERENCES:
patent: 3173023 (1965-03-01), Talsoe
patent: 3463940 (1969-08-01), Kaye et al.
patent: 3969636 (1976-07-01), Baertsch et al.
patent: 4004157 (1977-01-01), Baertsch et al.

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