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MSM5807 PLL Frequency Synthesizer
Overview - This PLL-circuit use a 8 bit BCD binary programmable divide-by-N counter.
Down-converting of the frequency to the divider
This PLL Circuit use a Mixer and a X-Tal Oscillator to convert the output frequency f OUT to the f IN to the PLL Circuit. The X-Tal frequency is f XTAL = f OUT - f IN
The output frequency can be changed by changing the mixing-xtal or add a new mixing-xtal to the oscillator.