标准信号发生器(图1标准信号发生器框图)的输出信号电平能准确读数，所加的调幅度或频偏也能用电表读出。

Standard signal generator (Figure 1 standard signal generator diagram) of the output signal level accurate readings, the increase in the rate of transfer or shift can also read the meter.

youdao

本文详细分析了QF1052B型标准信号发生器锁相环部分的基本组成及其工作原理，并提出了对此部分电路的检测方法。

This paper gives a detailed analysis of the principle of the phase lock circuit, one of the most important parts of the QF1052B Standard Signal Generator and provides some methods of checking it.

youdao