TEMPERATURE-CONTROLLED PIEZOELECTRIC OSCILLATOR

FIELD: electrical engineering; highly stabilized oscillation sources; temperature-controlled oscillators incorporating piezoelectric resonators. ^ SUBSTANCE: piezoelectric resonator case made of high-conductivity material ensuring uniform temperature field throughout entire plane of piezoelectric wa...

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Hauptverfasser:	GORSHKOV KONSTANTIN GEORGIEVICH, LITVINOV VALENTIN PETROVICH, BOGUSLAVSKIJ SEMEN VLADIMIROVICH
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BASIC ELECTRONIC CIRCUITRY ELECTRICITY GENERATION OF NOISE BY SUCH CIRCUITS GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING,BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN ANON-SWITCHING MANNER
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Beschreibung
Zusammenfassung:	FIELD: electrical engineering; highly stabilized oscillation sources; temperature-controlled oscillators incorporating piezoelectric resonators. ^ SUBSTANCE: piezoelectric resonator case made of high-conductivity material ensuring uniform temperature field throughout entire plane of piezoelectric wafer at ambient temperature variations functions as heat-distributing chamber of proposed device. Oscillator has external hermetically sealed housing with cover that mounts first printed-circuit board carrying circuit components whose temperature is not controlled and piezoelectric resonator case. Temperature-controlled components of oscillator circuit and piezoelectric resonator case are disposed on opposite main edges of second printed-circuit board secured on heat-insulated spacer provided with recesses to receive resonator case. Space between inner surface of external housing cover and oscillator circuit components is filled with material of low heat conductivity. ^ EFFECT: reduced mass and size of device at high frequency stability within wide temperature range. ^ 1 cl, 2 dwg