UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Ge or Si transistors - any stability-difference if used in a VFO?

Radio Wrangler · 14th Mar 2019, 5:37 pm

G3PDM did a nice write up on a version of the Vackar for his receiver (Radcom/Bulletin) and RSGB handbook. The fun thing to find is an Oxley tempatrimmer. I put an alternative tempco trimmer in the ARRL handbook osc chapter... designed to be easy to set and free from unobtainium.

David

14th Mar 2019, 5:37 pm	#3
Radio Wrangler Moderator Join Date: Mar 2012 Location: Fife, Scotland, UK. Posts: 22,880	Re: Ge or Si transistors - any stability-difference if used in a VFO? G3PDM did a nice write up on a version of the Vackar for his receiver (Radcom/Bulletin) and RSGB handbook. The fun thing to find is an Oxley tempatrimmer. I put an alternative tempco trimmer in the ARRL handbook osc chapter... designed to be easy to set and free from unobtainium. David __________________ Can't afford the volcanic island yet, but the plans for my monorail and the goons' uniforms are done