ICS501M.This is a frequency multiplier chip up to 160MHz

[@Kositsyn83]

Nine different frequencies can be achieved using one quartz crystal.

[@tiagoferreira086]

Interesting chip, but in it's datasheet mentioned a more interesting variant, the ICS570

[@F4LPM]

Hello from French ham radio, good luck for other projects ❤I do some of your project at my house

[@bob_mosavo]

Thanks 👍

[@sodium.carbide]

interesting, the sine is too crude.. go beyond this.. add a buffer to provide good sharp square digital clock. and maybe test the jitter etc. or furthermore add a filter to make a more sinusoidal signal..