Optimized passive rubidium atomic frequency scale servo control circuit
A rubidium atomic frequency standard and servo control technology, applied to the automatic control of power, electrical components, etc., can solve the problems of increased strays, increased circuit complexity, and reduced performance indicators of atomic frequency standards, so as to reduce requirements and reduce Phase noise and spurious components, effects in favor of microwave power
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[0033] The invention discloses an optimized passive rubidium atomic frequency standard servo control circuit, the resonant frequency of the non-integer voltage-controlled crystal oscillator adopted is MHz, because the voltage control range of this oscillator is Hz, so the error signal obtained from the deviation correction information obtained from the physical system is used to serve the non-integer voltage-controlled crystal oscillator, which can effectively compensate the total frequency offset generated by the system due to various factors, and realize the closed-loop locking of the whole machine. The frequency synthesizer in the control loop and the addition and mixing unit of the frequency multiplier and the frequency synthesizer are omitted, and the influence of the phase noise and spurs of the frequency synthesizer is eliminated. The non-integer voltage-controlled quartz crystal oscillator adopts a crystal oscillator circuit with frequency doubling function, which im...
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