Resonant circuit having a reactance for temperature compensation

Details Resonant circuit having a reactance for temperature compensation Resonant circuit having a reactance for temperature compensation

1996-11-05

1999-09-14

Mis, David

Oscillators

Frequency stabilization

Temperature or current responsive means in circuit

331 68, 331108D, 331116R, 331158, 310315, 310318, 310344, H03B 505, H03B 532, H03B 102, H03L 102

Patent

active

059528940

ABSTRACT:
A resonant circuit of the present invention has a ceramic substrate, a quartz element provided on said substrate, and a capacitor for temperature compensation. Connection terminals are formed on the rear of the substrate in order to mount the resonant circuit to another substrate. A seam ring for air-tight sealing is positioned at the edges of the substrate. The quartz oscillator with this configuration can be mounted without resorting to leads.

REFERENCES:
patent: 1813461 (1931-07-01), Nicolson
patent: 2660680 (1953-11-01), Koerner
patent: 3404298 (1968-10-01), Roberts
patent: 3796968 (1974-03-01), Luscher
patent: 3808556 (1974-04-01), Dome
patent: 3969640 (1976-07-01), Staudte
patent: 4223524 (1980-09-01), Nakagawa
patent: 4297655 (1981-10-01), Fujii et al.
patent: 4677397 (1987-06-01), Nakayama et al.
patent: 5446954 (1995-09-01), Knecht et al.
patent: 5473216 (1995-12-01), Brosig et al.
patent: 5537049 (1996-07-01), Oita et al.

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