UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Improving Selectivity In Vintage Receivers

Jon_G4MDC · 2nd Nov 2022, 5:37 pm

Thinking on the HRO IF transformer. With the spacing they have chosen between windings the bottom coil is not vary far into the screening can.

The can mounts on the painted steel chassis which will only be about half a coil diameter away. At the top in the attached photo. Seems a bit close to me...

2nd Nov 2022, 5:37 pm	#71
Jon_G4MDC Nonode Join Date: Nov 2015 Location: Welwyn Garden City, Hertfordshire, UK. Posts: 2,015	Re: Improving Selectivity In Vintage Receivers Thinking on the HRO IF transformer. With the spacing they have chosen between windings the bottom coil is not vary far into the screening can. The can mounts on the painted steel chassis which will only be about half a coil diameter away. At the top in the attached photo. Seems a bit close to me... Attached Thumbnails