The principle of direct frequency modulation of varactor diode - the diode can change the width of the space charge region by changing the applied reverse voltage,
hase locked frequency stabilization technology - For direct frequency modulation circuits with variable capacitance diodes
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VCO circuit - The VCO circuit is a critical circuit component for implementing frequency modulation and carrier generation
The phase-locked frequency stabilization circuit - phase detector is the core part of frequency stabilization,
From the previous analysis, it can be seen that the phase-locked loop is a narrowband carrier tracking loop
