Crystal controlled oscillator exhibiting reduced levels of cryst

Details Crystal controlled oscillator exhibiting reduced levels of cryst Crystal controlled oscillator exhibiting reduced levels of cryst

1988-04-11

1989-07-25

Grimm, Siegfried H.

Oscillators

Solid state active element oscillator

Transistors

331162, H03B 536

Patent

active

048517909

ABSTRACT:
A crystal-controlled oscillator exhibiting reduced levels of crystal-induced low frequency noise, vibration sensitivity and circuit temperature rise includes an amplifier or oscillator sustaining stage which is secured to a heat sink. A plurality of crystals connected with each other in a preselected electrical configuration are secured to a vibration dampening structure which extends from the heat sink, and the plurality of individual crystals are connected with the oscillator sustaining stage via a preselected wavelength section of coaxial cable. The coaxial cable wavelength may be varied to provide that the plurality of individual crystals operate at either series or parallel resonance.

REFERENCES:
patent: 3836873 (1974-09-01), Healey, III et al.
patent: 3868606 (1975-02-01), Driscoll
patent: 4410822 (1983-10-01), Filler
patent: 4550293 (1985-10-01), Driscoll
patent: 4570132 (1986-02-01), Driscoll
patent: 4575690 (1986-03-01), Walls et al.
patent: 4600900 (1986-07-01), Renoult et al.
patent: 4616194 (1986-10-01), Renoult et al.

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