Category Archives: ham radio

RFMX-1

This gallery contains 5 photos.

RFMX-1 Double Balanced Mixer from RFprime

I found some RFMX-1 double balanced mixer on the Bay but could not find the datasheet nor the pinout for the mixer.
So, finally I did it the ham way and cut it open. Continue reading

More Galleries | Leave a comment

GPS reference generator

1PPS GPS synchronized Si5351 frequency generator

Lately when experimenting with a Si5351 board I was wondering how to calibrate it.
I have a 15 year old frequency counter but who knows whether it is still accurate.

Continue reading

More Galleries | Leave a comment