The utility model relates to a synchronizing pulse generator for an LED flash light, mainly comprising a field synchronous separation circuit, a phase comparison circuit, a voltage controlled oscillator, a frequency divider, a decoding circuit and an output driving circuit. Field synchronizing impulse is separated from video input signals by the field synchronous separation circuit and is input to the phase comparison circuit.
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Design work has also built a system is very particular about the power divider, it has a lower frequency than traditional units in terms of series inductance values.
系统还内置一个设计做工都非常讲究的功率分频器，它有着相对传统而言更低的低频单元串联电感值。
A modulator reduces the quantization error of the frequency divider.
调制器减少该分频器的量化误差。
A programmable divider used in frequency synthesizer of Rb frequency standard is designed, and the improvement of programmable divider is introduced.
对铷频标中的频率合成器内的程序分频器进行了设计，并介绍了改进后的程序分频器。
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