Integrated resonant circuit with temperature compensated quality

Details Integrated resonant circuit with temperature compensated quality Integrated resonant circuit with temperature compensated quality

1992-04-06

1993-11-16

Gensler, Paul

Telecommunications

Receiver or analog modulated signal frequency converter

Frequency modifying or conversion

307520, 333215, 34082544, 455339, H04B 126, H03H 1108

Patent

active

052631923

ABSTRACT:
A filter (13) for providing temperature compensation for the quality factor thereof comprises transconductance amplifiers (23 and 24) in a gyrator configuration coupled between an input node (21) and an output node (22). A parallel capacitor (25) is coupled between the input node (21) and a supply voltage, and a parallel resistor (26) is coupled between the input node (21) and the supply voltage. A series capacitor (27) is coupled to the output node (22), and a series resistor (28) is coupled between the second capacitor (27) and the supply voltage.

REFERENCES:
patent: 4051385 (1977-09-01), Greenaway et al.
patent: 4485356 (1984-11-01), Fassino
patent: 4947141 (1990-08-01), Atkinson et al.

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