Phase-locking loop rapid locking circuit and method
A fast locking, phase-locked loop technology, applied in the direction of electrical components, automatic power control, etc., can solve the problems of prolonged locking time, long switching time, increased phase noise, etc., to achieve the effect of shortening the time
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[0056] In order to enable those skilled in the art to better understand and implement the technical solutions of the present invention, figure 2 The theoretical basis upon which the present invention is based has been presented in . Since the locking time is mainly determined by T1, the method provided by the present invention can shorten the time of T1, thereby speeding up the locking of the phase-locked loop.
[0057] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0058] see image 3 , which is a structural diagram of the circuit embodiment 1 provided by the present invention.
[0059] The circuit of the phase-locked loop fast locking provided by the present embodiment includes: a controller 301, a memory 302, a digital-to-analog converter (DAC, Digital Analog Converter) 303, an oper...
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