UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Hallicrafters SX-43 FM drift.

Radio Wrangler · 23rd Oct 2020, 6:59 pm

Fondly!

I created a thermistor/varactor network which could give a variable tempco as an alternative. What's more it can be adjusted in one go at each of two temperatures - saving on the to-and-fro messing around. It's in the ARRL handbook (1995 onwards years)

David

23rd Oct 2020, 6:59 pm	#9
Radio Wrangler Moderator Join Date: Mar 2012 Location: Fife, Scotland, UK. Posts: 22,908	Re: Hallicrafters SX-43 FM drift. Fondly! I created a thermistor/varactor network which could give a variable tempco as an alternative. What's more it can be adjusted in one go at each of two temperatures - saving on the to-and-fro messing around. It's in the ARRL handbook (1995 onwards years) David __________________ Can't afford the volcanic island yet, but the plans for my monorail and the goons' uniforms are done