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

Sparky67 · 18th Jul 2021, 9:04 pm

Could you DC-block the mic wire with a cap behind the fixed connector in the radio and then feed +Ve volts up it to the mod in the mic itself? You might want to current-limit the voltage source to prevent any nasty happenings if a s/c occurs in the mic...!

Martin
G4NCE

18th Jul 2021, 9:04 pm	#4
Sparky67 Heptode Join Date: Feb 2008 Location: Great Barr, Sandwell, West Midlands, UK. Posts: 589	Re: Yaesu FT290 Could you DC-block the mic wire with a cap behind the fixed connector in the radio and then feed +Ve volts up it to the mod in the mic itself? You might want to current-limit the voltage source to prevent any nasty happenings if a s/c occurs in the mic...! Martin G4NCE