As I required some descent L.O. signal for my NOTARS-C transverter the easiest way was to use my  Si-4133 synthesizer. The upper limit for...

Mine is smaller than the other :-) The only thing that men are fighting about the smaller one is the mobile phone. Well, not just the mobi...

Not so many simple transverters for 6cm band seen up to now. So here is one, really simple and working, with minimum parts required and p...

As I received a few queries regarding the transverter here is the update on done so far. I make some small modifications but nothing that ...

Some time ago besides some other PCB's I ordered also the board for the simple 3cm beacon oscillator project from Paul, W1GHZ. The pri...

This is just another simple beacon for 6cm band that came out as a result of raining afternoon and a desk full of various microwave co...

I have this nice and small (and expensive) helical filter in my drawer for some time. Looking the TOKO filter data-sheet this is very nice...