My best guess, based on what little information you have given here, is that the radio contains a *Seiler* Oscillator. I've not run across any reference to a "Sillner" oscillator prior to yours. The Seiler is a variation on the basic Colpitts type.
Unless you can provide additional info on your radio, I doubt you have given enough for anyone to be able to help you. How about at least a link to a photo of your radio? 73, David K3KY >I have that QRP radio and need to get it working. If you have a schematic >I would be more than happy to Pay for the copying and mailing of that Radio. >I Believe it has a VFO that was called a Sillner VFO. I can not find any >Information on it. I would like to have it working for the late summer. _________________ Topband Reflector Archives - http://www.contesting.com/_topband