摘要
晶体振荡器是振动敏感器件,通常在振动条件下晶振的相位噪声会恶化。该文分析了抗振恒温晶振(OCXO)的设计方法及影响因素,阐述了振动对晶振相位噪声的影响,并采用微型减振器及低加速度灵敏度晶体谐振器设计了100 MHz超小型抗振恒温晶振。该文研制的100 MHz超小型抗振恒温晶振体积仅为25.4 mm×25.4mm×15mm,振动条件下相噪指标最优达到-147dBc/Hz@1kHz,达到了预期的研制目标。
It is well known that the crystal oscillator is a vibration-sensitive device; the phase noise of it is usually degraded under the vibration conditions. The design method and influencing factors of the anti-vibration oven controlled crystal oscillator （OCXO） are analyzed, and the effect of vibration on the phase noise of OXCO is presented. A 100 MHz ultra-compact, anti-vibration OXCO is designed with the micro vibration damper and low g-sensitivity crystal resonator. The size of the developed OCXO is only 25.4 mm×25.4 mm×15 mm, the optimal phase noise is up to -147 dBc/Hz@1 kHz offset under the random vibration condition. The expected development goal is achieved.
作者
王旭
WANG Xu(Chengdu Spaceon Electronics Co.,Ltd.,Chengdu 611731,China)
出处
《压电与声光》
CAS
CSCD
北大核心
2018年第3期316-318,322,共4页
Piezoelectrics & Acoustooptics
关键词
石英晶体
抗振
小体积
恒温晶振(OCXO)
低加速度灵敏度
quartz crystal
anti-vibration
miniature size
oven controlled crystal osicllator （OCXO）
low g-sensitivity
