Jack finds that chokes have a huge impact on switching power supply noise
by Thomas from The SWLing Post on (#5FWNW)
Many thanks to SWLing Post contributor, Jack Dully, who writes: I was putting some things in my radio junk parts box and came across some chokes. So I tried a test with my Tecsun PL-880 on battery and the Tecsun supplied switching AC adapter, with and without chokes on the adapter. WOW! I tuned to [...]