General > General Technical Chat
Show your favorite and most used benchtop PSU
bitseeker:
--- Quote from: BFX on January 18, 2017, 10:19:53 pm ---Finally I found good and looks like original terminals for my HPs ;)
Not this crappy Chinese from ebay:)
--- End quote ---
Yes! Those look like the right ones, in the newer-generation light gray.
Upon closer inspection of the zoomed-in image on TME's site, there are subtle differences from the genuine ones, but it's very close. Good find.
I wonder who makes them. The only other place I could find them is Amazon France.
rdl:
You can find the "gray with colored trim rings" type binding posts on ebay. They are hard to filter because there doesn't seem to be a standard way of describing them. I have bought from a couple of different sellers and the items received appear to be identical. The quality is fine. The metal post is not cross-drilled. The gray color I received is only close*. The lightness is similar to the Agilent, but is of a slightly browner shade, more like the HP color. If you are really picky about the color match, you would probably want to buy a matched set from Keysight. The last time I checked was about 2 years ago, and the cost was nearly $50 for a set of three.
* point being, you are not likely to get a perfect match as the color probably varies a lot from batch to batch.
bitseeker:
The ones on eBay that aren't cross-drilled have a very large, donut-like colored ring, quite different from the thinner, hard-edged HP one. However, it would be the next in line for similarity after the TME ones. So far, TME has the best reproduction as far as ring color & size, fluting on the post, and coving on the base.
In the past, I too saw the binding posts for sale on Keysight's Find a Part. However, when I checked last night they were no longer listed, not even as NFTS. :-//
BU508A:
Hi,
here are two of my PSU:
- a Rohde & Schwarz NGB 70 / 5 --- 0 ... 70V and 0 ... 5A
- from the famous german electronic magazine elrad a dual power supply --- 0 ... +50V and 2,5A & 0 ... -50V and 2,5A
elrad November 1985
Schematics can be found here: https://www.mikrocontroller.net/topic/183517
The PCB was designed by myself last year, because my first attempt was really ugly ;D (ok, this was back in 1989)
bitseeker:
That Elrad is mighty tidy inside. Nice job!
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