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One thing I was never clear on, is the difference between a spark gaps and neon discharge lamps.? Are they the same principle?? They seem so widely different.? Spark gap discharge is very hot,

Maybe off topic, but there is some discussion of gas mixture in different neon lamps (many no longer made) in the 1965 GE Glow Lamp manual I mis-named earlier. There is some discussion of purpose of

Thanks John.

That law is about hot-cathode diodes and probably doesn't apply at all well to spark gaps. ====================================================================================== Best wishes John

In my studies I found this: The Child-Langmuir law is a differential equation that describes the current through a spark gap as a function of the voltage and the gap spacing.

Thanks for the further clarification of purpose. It's not enough to get any real purchase on the problem, but OK that's your business not mine. I'm just saying that the tolerances on real spark gaps,

Dave Bell the formula is Current * sqrt((2*Voltage*Mass)/Ce.

Do you mean that you are using the spark gap as an EHT voltmeter? LTspice will simulate a 1Gohm/volt conventional analogue peak voltmeter, which would seem to be simpler and more accurate.

This sounds like a very interesting project! Out of curiosity, how do you measure thrust with a spark gap? Dave Sent: Thursday, July 13, 2023 12:45 PM To: [email protected] Subject: EXTERNAL: Re:

The spark gap is important to me because I am simulating an ion thruster I created. A proper spark gap will allow me to measure thrust.

I'm not familiar with the spark gap usage, nor the exploding wire thing. As I see it, mainstream electronics does not use spark gaps because they are too variable. There are effects due to the small

"the uniqueness can be measured, but not anticipated prior to the event." The limitations of a conventional spark gap? can be reduced somewhat by using an? exploding wire between two electrodes.

Hello eewiz I've uploaded a .zip file containing powershell script "DoLTspiceUpdate_ps1_20230713.txt". You will need to rename this .txt file to "DoLTspiceUpdate.ps1". To run the script: 1. Open

#1 rule, It is not deterministic. Every spark gap is unique at some level. There is a distribution curve that can be exploited, in terms of multiple sampling and ratiometric sampling. Both amplitude

It's always negative differential resistance, whether in an arc, a Gunn diode, the input into a loaded boost converter.? If not ballasted you can make a negative resistance oscillator. The term

There is an old GE databook on Neon lamps online that discussed adding radioactive gas to certain (apparently not all) lamps and why. Once I downloaded it I lost track of where I found it. I worked at

A video I want to share: https://www.youtube.com/watch?v=r04e45E-wSc

I got my invite awhile ago. Qspice will download it's installation files and quit because it doesn't run on wine.

You're a better subject (victim?) than I, who received the invitation a few weeks ago. Have at it, Tony. Donald

@Mike, nice retirement job, much appreciated by many. I did a similar thing, a charged inductor that spikes into a capacitor, to make a big "ping" at the LC frequency, it was driving an ultrasonic