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

swordholder · 22nd May 2010, 10:18 pm

Les,
I hope it was a typo, you should be using BUZ80 which is a MOSFET, not a BUX80 which is a transistor.
A transistor will not work due to the high impedance of the driver voltage.

Regards
Mike

22nd May 2010, 10:18 pm	#378
swordholder Rest in Peace Join Date: Aug 2009 Location: East Preston, Sussex Posts: 162	Re: The "Sussex" Homebrew Valve Tester. Les, I hope it was a typo, you should be using BUZ80 which is a MOSFET, not a BUX80 which is a transistor. A transistor will not work due to the high impedance of the driver voltage. Regards Mike