摘要
本文介绍了Ku波段宽带机械调谐耿氏振荡器的实用电路结构、设计原则以及运用双金属补偿技术得到的实验结果。振荡器输出功率为50—120mW;机调范围一般为1000—1500MHz,最宽优于2500MHz;频率温度系数一般小于0.07MHz/℃,最低优于0.01MHz/℃;功率温度系数一般小于0.015dB/℃,最低优于0.007dB/℃。
The design principles and a practical circuit of a Ku-band broadband me-chanical tuning Gunn Oscillator is described The oscillator is stabilized by bimetal compen-sation. Its power output is 50 to 120mW; the mechanical tuning bandwidth is 1000 to 1500 MHz, its maximum value is 2500MHz; the typical frequency temperature coefficient is less than 0.07MHz/℃, its minimum value is 0.01MHz/℃; and the typical power temperature coefficient is less than 0.015dB/℃, its minimum value is 0.007dB/℃.
关键词
耿氏振荡器
宽频带
机械调谐
Broad-band Gunn oscillator
Broadband
Mechanical tuning
Bimetal nompensation
Frequency temperature coefficient
