Re: 7904 - Very Dim Trace
I did not have to adjust the grid bias to get a usable display.toggle quoted messageShow quoted text
I would check that resistor which is in series with the heater. It is
possible to check the voltage at the heater using a floating RMS AC
voltmeter. The frequency is about 50 kHz.
On 14 Feb 2016 15:12:24 -0800, you wrote:
Thanks for your report David. I appreciate your taking the time to run the experiment. Yes - I too found there's a right and wrong way to pull the PDA connector apart...