宽频率带宽、低相位噪声声表面波压控振荡器  

Surface Acoustic Wave Voltage Control Oscillator with Wide Frequency Bandwith,Low Phase Noise

作　　者：周卫[1] 

机构地区：[1]四川压电与声光研究所

出　　处：《桂林电子工业学院学报》1998年第3期23-27,共5页Journal of Guilin Institute of Electronic Technology

摘　　要：描述了一种新型声表面波压控振荡器的设计、结构、性能，并详细介绍了声表面波延迟线参数的计算。声表面波压控振荡器的中心频率为７５ＭＨｚ，压控频率范围宽可达１ＭＨｚ；输出功率一致性好，整个压控范围输出功率波动小于１ｄＢｍ；相位噪声低：在偏离频率１ｋＨｚ处的单边带相位噪声小于－１００ｄＢｃ／Ｈｚ．This paper describes the design,the structure and the performances of a new type of surface acoustic wave voltage control oscillator (SAWVCO) and introduces the calculating process & the parameters.SAWVCO's center frequency is 75MHz.It has the following performances:Range of voltage control frequency,1MHz.Good output power:Its output power difference of all voltage control is less than 1dBm,low phase noise:single sideband phase noise at the 1kHz offset from carrier is less than -100dBc/Hz.

关 键 词：声表面波 压控振荡器 压控频率范围 输出功率 

分 类 号：TN65[电子电信—电路与系统] TN753.9