PLL Synthesizer for 150 MHz Local Oscillator

Posted on Feb 5, 2014

This MOT`s LSI is very suitable for designing ham rigs` VFO, which has 4 digit BCD preset counters from 3 to 3999. And also there is standard Xtal frequency oscillator and preset dividers. This LSI`s input nodes are pull down in the LSI. You should supply 5V level for setting 1. The maker said that this LSI is usable up to 15MHz input. However thi

PLL Synthesizer for 150 MHz Local Oscillator
Click here to download the full size of the above Circuit.

s time using at 38 MHz (divided 4 from 154 MHz), and you may supply 8V on the Vcc. I heard that at 8V of Vcc this IC could work up to about 50 MHz input.

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