高性能声表面波振荡器的设计和应用  

Design and Application of the High-performance SAW Oscillator

作　　者：王亮[1] 费元春[1] 

机构地区：[1]北京理工大学科学信息技术学院电子工程系,北京100081

出　　处：《压电与声光》2005年第6期595-597,共3页Piezoelectrics & Acoustooptics

摘　　要：介绍声表面波振荡器的特点和应用,讨论了它的工作原理和优化设计方法,并分析了其关键技术及解决办法。设计采用的电路形式简单且性能良好,给出了研制结果:输出振荡频率1.81 GHz,输出功率7.23 dBm,长期频率稳定度为5×10-6/日,相位噪声优于-122 dBc/Hz/10 kHz。This text introduced the characteristic and application of the surface-acoustic-wave oscillator including its operation principle and the design method. The key technology and solution was analyzed at last. The pattern of the circuit is simple with good performance. The result of study is provided finally.. Output frequency is 1.81 GHz, with output power of 7.23 dBm. Long-term frequency stability is 5×10^-6 per day; The phase noise is superior to-122 dBc/Hz at 10 kHz carrier offset.

关 键 词：声表面波谐振器 声表面波振荡器 优化设计 关键技术 

分 类 号：TN65[电子电信—电路与系统]