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本文所介绍的同步控制系统,是一个专为具有串联双环间接式频率合成系统而配套使用的硬件控制系统.系统方案和路线设计中着重解决了非线性控制的线性化,予置电压的高精化、显示的无零以及手动干予的一次化几个技术问题。经有关会议鉴定,频率跳变时间小于80μs,14个频率点的控制电压均可以10mV 的修正量来调精、对频率合成系统的相嗓、杂散电平影响极小(可忽略不计)、性能稳定操作方便.
The synchronous control system introduced in this paper is a hardware control system which is specially designed for the system with serial double-loop indirect frequency synthesis system.The linearity of nonlinear control and high precision of pre-voltage Zero, as well as the display of zero and manual to give a few technical problems. After the relevant conference appraisal, the frequency hopping time is less than 80μs, the control voltage at 14 frequency points can be fine-tuned by the correction amount of 10mV, the influence on the phase noise and spur level of the frequency synthesizing system is extremely small (negligible) Stable and easy to operate.