![\"OLYMPUS](\"http:\/\/pa3hcm.utreg.net\/wp-content\/uploads\/2013\/12\/PB100020.jpg\")
<\/a><\/figure>\n\n\n\nThe receiver is based on the good old 0V1. This was a very simple receiver with only one tube. PA0KLS redesigned the schema to replace the tube by transistors. He also added a small audio amplifier to allow usage of modern (low impedance) headphones or a small speaker.<\/p>\n\n\n\n\n\n\n\n
Construction<\/h2>\n\n\n\n
All details of the radio were published in a series of articles in the dutch hamradio magazine “Electron”. You can download a collection of these articles here<\/a>.<\/p>\n\n\n\n Most components come from my junkbox. I only bought a new FET, varicap, connectors and potentiometers. I used a PVC drainpipe for the core. All panels are made of copper clad.<\/p>\n\n\n\n I printed the front on self-adhesive label, then sticked it onto the (drilled) copper clad, and covered it with “Boeklon” (self-adhesive transparent plastic foil, normally used to seal book covers). Finally I cut out the holes and mounted the potentiometers.<\/p>\n\n\n\n I did not add the “fine tune option”, so tuning is a little bit difficult, it is doable however. The radio receives lots of stations, depending on your antenna type and position of course. The result looks very nice, and is a fine example of building your own stuff with simple materials. Although it is meant to be a starters project, I think it’s a bit too much to start with, especially for kids since they would like to have results in just a few hours. I think this project took about 15-20 hours altogether (apart from waiting for the paint to dry).<\/p>\n\n\n\n<\/a><\/figure>\n\n\n\n<\/a><\/figure>\n\n\n\nResults<\/h2>\n\n\n\n