Subscribe
 


Radio synthesizer schematics

Google
Electronics Infoline Web





Fractional-N Frequency Synthesizer

Fractional-N Frequency Synthesizer

An experimental fractional-N frequency synthesizer using a CPLD.

http://www.holmea.demon.co.uk/FracN/Synth.htm

15-25 MHz Fractional-N Synthesizer

15-25 MHz Fractional-N Synthesizer

This fractional-N synthesizer covers 15 to 25 MHz in 1 Hz steps. Most of the work is done by the 128-macrocell CPLD which hosts the reference and VCO dividers.

http://www.holmea.demon.co.uk/Frac2/Main.htm