Marco, have a look here: http://www.radiocom.net/txvr.jpg I haven't tried it myself but it looks simple enough to give it a try. 73 Geri, DK8KW / DI2BO (currently on 440.015 kHz, tnx for the receptio
Marco, there is a very easy and good way to build a transmitting converter or transverter. For the mixer you have to use 8 diodes and 5 transformer, 1n4148 do the job. A filter and a simple amplifire