UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Help needed with

Chris55000 · 29th Mar 2023, 10:22 pm

You do have to be careful of the minimum capacitance as well (highest rev. bias) as the maximum (lowest reverse bias) or you'll find you can't get enough fine tuning range if you use parallel varicaps that add too much minimum capacitance!

Chris Williams

29th Mar 2023, 10:22 pm	#281
Chris55000 Nonode Join Date: Aug 2007 Location: Walsall Wood, Aldridge, Walsall, UK. Posts: 2,874	Re: Help needed with - Racal Dana 9081 You do have to be careful of the minimum capacitance as well (highest rev. bias) as the maximum (lowest reverse bias) or you'll find you can't get enough fine tuning range if you use parallel varicaps that add too much minimum capacitance! Chris Williams __________________ It's an enigma, that's what it is! This thing's not fixed because it doesn't want to be fixed!