- Posted by alan sailer on Friday 01 July 2016 - 18:34:44
That driver will tend to run a bit hot because the transistors are always pulling some current.
1. The heatsinks need to be separated and not to...
- Posted by alan sailer on Friday 01 July 2016 - 18:34:44
Looking at their instruction manual, their circuit is a very simple and universal Royer oscillator: http://ramseyelectronics.com/cmp/pg13/default.html...
- Posted by alan sailer on Friday 01 July 2016 - 18:34:44
Might be useful, something I am working on needs a circuit that only outputs HV when the video feed is on.
- Posted by Toasty on Wednesday 10 February 2016 - 20:59:59
My first vacuum pump was a section of surgical rubber tubing and two print rollers. Sort of a manual peristaltic pump. It helps if you put a tiny am...
- Posted by Toasty on Wednesday 10 February 2016 - 20:59:59
Sometimes I forget how easy it is to just buy stuff from ebay. I made my aspirator before the internet existed. Buying one was just not an option. And...
- Posted by Toasty on Wednesday 10 February 2016 - 20:59:59
Have you looked on eBay?depending on what side of the pond you're on it's either Edwards or Welch, I think.
Thet are surprisingly cheap, and even...
- Posted by Toasty on Wednesday 10 February 2016 - 20:59:59
FWIW, of the many varied water aspirator pumps out there, the best I know of is the polypropylene Thermo Scientific Nalgene pump. It produced the bes...
- Posted by Toasty on Wednesday 10 February 2016 - 20:59:59
First off, I do not mean to go off topic too much and/or hijack your thread Toasty!
@jpsmith123:
I do not have any experience with that specifi...
- Posted by Toasty on Wednesday 10 February 2016 - 20:59:59
The older, belt drive, pumps are the easiest and cheapest to rebuild, but they were built to last. They also tend to be a lot cheaper than the newer o...
- Posted by Toasty on Wednesday 10 February 2016 - 20:59:59
I'll never understand the vacuum pump industry.
It doesn't make sense to me that I can buy a new 3 cfm to 5 cfm pump that'll pull down to the ra...
