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本报告是研制761MHz掠面体波振荡器的阶段小结。简要介绍了它的原理、设计与制作,最后给出了测试结果。已研制的761MHz掠面体波振荡器的频率误差为2×10~(-4),秒级频率稳定性为10~(-8)量级,在温度范围为-10—+50℃内的频率温度稳定性为3×10~(-5),在50Ω系统中的输出电平大于40mW。可以预料,这种掠面体波振荡器用于彩电微波接力机,可以代替原先的取样锁相频率源,对于克服微波接力机的失锁,提高可靠性是一种较为理想的频率源。
This report is a summary of the phase of developing a 761MHz Swept Surface Wave Oscillator. Briefly introduces its principle, design and production, and finally gives the test results. The developed 761MHz swept body wave oscillator has a frequency error of 2 × 10 ~ (-4) and a second-order frequency stability of 10 ~ (-8). In the temperature range of -10 ~ + 50 ℃ Temperature stability of 3 × 10 ~ (-5), 50Ω system in the output level is greater than 40mW. It can be expected that the swept body wave oscillator is used in the color television microwave relay, which can replace the original sampling frequency source, and is an ideal frequency source for overcoming the lockout and improving the reliability of the microwave relay.