Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1981-08-14
1984-03-20
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307491, 330 9, 328127, H03G 300, H03K 500, G06G 718
Patent
active
044383541
ABSTRACT:
A switched capacitor gain stage (110, 120) having a programmable gain factor. This gain factor is determined by the connection of desired gain determining components (14-17; 25-28) contained within a component array (100, 101). A sample and hold circuit (46) is provided for the storage of the error voltage of the entire gain-integrator stage. This stored error voltage (V.sub.error) is inverted and integrated one time for each integration of the input voltage (V.sub.in), thus eliminating the effects of the inherent offset voltages of the circuit from the output voltage (V.sub.out).
REFERENCES:
patent: 4163947 (1979-08-01), Weedon
patent: 4328465 (1982-05-01), Takaoka et al.
patent: 4365204 (1982-12-01), Haque
Hosticka et al., "MOS Sampled Data Recursive Filters Using Switched Capacitor Integrators", IEEE Journal of Solid-State Circuits, vol. SC-12, No. 6, Dec. 1977, pp. 600-607.
Haque Yusuf A.
Saletore Vikram
Schuler Jeffrey A.
American Microsystems, Incorporated
Callahan Timothy P.
Caserza Steven F.
Franklin Richard
Heyman John S.
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