UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Ferrite rod antenna and RF amp for Valve radios

John_BS · 9th Oct 2019, 12:51 pm

OK: try setting up the LW coil only and tune to 198KHz. Disconnect the output coax and monitor the voltage on the 470 ohm output of your buffer with a 10:1 probe. You should see >50mV p-p when it's working and tuned. I'm assuming your Droitwich reception is good!

John

9th Oct 2019, 12:51 pm	#28
John_BS Octode Join Date: Dec 2008 Location: Wincanton, Somerset, UK. Posts: 1,779	Re: Ferrite rod antenna and RF amp for Valve radios OK: try setting up the LW coil only and tune to 198KHz. Disconnect the output coax and monitor the voltage on the 470 ohm output of your buffer with a 10:1 probe. You should see >50mV p-p when it's working and tuned. I'm assuming your Droitwich reception is good! John