表面波谐振器 meaning in Chinese
surface resonator
Examples
- Application of surface acoustic wave resonator in high - frequency radio rmote controlling circuit
声表面波谐振器在高频无线电遥控电路中的应用 - Cooperation with the universities and colleges widely , such as sichuan university , zhejiang university , zhejiang university of technology , etc . established long design research item . mainly products are : tv - if saw filters for color tv sets and b / w tv sets , cordless phone saw filters , saw resonator and all kinds of low insertion saw components in the communication
公司与四川大学、浙江大学、浙江工业大学等大专院校建立长期的科研合作关系，主要设计开发的产品有：电视中频声表面波滤波器、无绳电话声表面波双工器、广泛应用于通信领域的声表面波谐振器和各类低插损声表面波带通滤波器。 - At present the manufacture of surface acoustic wave use the technology of the final submicron . a series of the devices of low insertion loss , high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db , load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research . these difference frequencies are 60mhz , 280mhz , 739mhz and 1ghz of normal frequency and at also surface acoustic wave . using 1 . 25db noise factor amplifier , careful design curcuit , good setting printed curcuit board , and using the 1ghz surface transverse wave resonator as frequency element , researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier , spurious suppress with 80db
本研究采用一阶温度系数为零的压电石英基片上制作出损耗小于5db 、有载品值因素( ql值)超过1000的一系列低损耗、高q值声表面波rayleigh波或stw谐振器,频率分别为60mhz 、 280mhz 、 739mhz和1ghz等不同频率的高性能声表面波谐振器。并采用噪声系数为1 . 25db的低噪声系数放大器,精心设计电路,优化设计布置印制电路板,用标称频率为1ghz的声表面波谐振器为频率控制元件,制作出在偏离载频1khz处的单边带相位噪声近- 120dbc / hz 、杂波抑制达80db以上的低相位噪声声表面波振荡器。