UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - What type of capacitor for R.F. decoupling ?

G6Tanuki · 20th Oct 2017, 7:08 pm

If you're talking about needing decoupling in the 20-40MHz range I assume you're working on either first-generation TV or some 'interesting' upper-short-wave-band radios. I'm intrigued!

Truth is, pretty much any wire-ended polyester capacitor available these days will be a lot better than what was used decades back. Silvered-ceramic, "Mustard" caps, or 'tropical-fish' types would be good to go.

20th Oct 2017, 7:08 pm	#15
G6Tanuki Dekatron Join Date: Apr 2012 Location: Wiltshire, UK. Posts: 13,998	Re: What type of capacitor for R.F. decoupling ? If you're talking about needing decoupling in the 20-40MHz range I assume you're working on either first-generation TV or some 'interesting' upper-short-wave-band radios. I'm intrigued! Truth is, pretty much any wire-ended polyester capacitor available these days will be a lot better than what was used decades back. Silvered-ceramic, "Mustard" caps, or 'tropical-fish' types would be good to go.