WTB Keithley Current Source / SMU - Page 1
Forum section: electronics / general

author: CalMachine
author_rank: Frequent Contributor
timestamp: February 10, 2017, 06:31:58 pm
content: Looking to spend no more than a few hundred dollars on a Keithley current source or SMU!

author: TiN
author_rank: Super Contributor
timestamp: February 11, 2017, 02:56:05 pm
content: That will get you just very old 30year old stuff. There is 2400 on bay now, but likely go few K$.

author: Ice-Tea
author_rank: Super Contributor
timestamp: February 11, 2017, 03:05:30 pm
content: Like a 236? Got one. Technically, the price is a few hundred but 356 983$ is also "a few hundred"Depends on your definition I supposeSeriously, though, feel free to shoot me a PM if you are interested.

author: TheAmmoniacal
author_rank: Unknown
timestamp: February 11, 2017, 03:17:15 pm
content: What would be the most reasonable programmable DC power supply which can both source and sink currents up to 3 A?

author: CalMachine
author_rank: Frequent Contributor
timestamp: February 11, 2017, 03:48:08 pm
content: Quote from: Ice-Tea on February 11, 2017, 03:05:30 pmExactly like a 236!I'll PM you within the next few days. And a few hundred dollars to me is ~300-400Quote from: TiN on February 11, 2017, 02:56:05 pmI'm not looking to get anything extraordinarily new. Like a 236 or 237 would be fine. The old more box-y form factor or the new slimmer sleek form factor works either way. The 2400 series is probably going to be out of my budget, unless someone on here wants to hook it up

author: _Wim_
author_rank: Super Contributor
timestamp: February 11, 2017, 07:24:56 pm
content: Quote from: CalMachine on February 11, 2017, 03:48:08 pmI think a 236 will also be out of range for 300-400 (typiccally these fetch around 700-800). Best option is going for a non-Keithley or Agilent unit, because these are too well known and "everybody" seaches for those on Ebay.Look for brands like Yokogawa and R&S. Typically these SMU are not labelled as "SMU", but also can source/sink and measure. A current example on Ebay if this one:http://www.ebay.de/itm/ROHDE-SCHWARZ-NGM01-POWER-SUPPLY-1x0-15V-2-5-5A-/302063684777?hash=item4654660ca9:g:mvUAAOSwFe5XztJLbut much better deals can be had.

author: _Wim_
author_rank: Super Contributor
timestamp: February 11, 2017, 07:29:34 pm
content: I just noticed you are located in the US. In that case you have a better chance of finding an offardable keitley unit like a 236. I was more talking about europe...

author: AntoshC
author_rank: Newbie
timestamp: February 13, 2017, 12:45:36 am
content: If you're looking to source up to 3A, I have a Rigol DP832. Note the DP832A is the higher priced version.There are often a few units on the Rigol clearance page here:https://www.rigolna.com/clearance/If you need higher resolution or other options, search the forum for how to unlock features on this unit.Dave did a review on it. I got mine off of the clearance page and am very happy with it. IIRC, mine delivered was $410.

author: artag
author_rank: Super Contributor
timestamp: February 14, 2017, 09:53:55 pm
content: Quote from: TheAmmoniacal on February 11, 2017, 03:17:15 pmThere still seem to be plenty of HP6632B supplies about, £50 to £100 if you're lucky.

author: CalMachine
author_rank: Frequent Contributor
timestamp: February 18, 2017, 05:34:50 pm
content: I was actually just looking into getting a DP832A off their clearance page. I was browsing the specs and I realized that the current resolution is poop compared to a SMU from keithley, specifically the 236. So, with that said... I think I am going to keep my search for a Keithley (or comparable) SMU with lower current capabilities.

author: _Wim_
author_rank: Super Contributor
timestamp: February 18, 2017, 06:40:34 pm
content: Quote from: CalMachine on February 18, 2017, 05:34:50 pmThe DP832A also is not capable of sinking current. It a very good power supply, but it is no SMU...

author: DuPe
author_rank: Regular Contributor
timestamp: February 23, 2017, 07:24:07 am
content: Quote from: CalMachine on February 11, 2017, 05:31:58 AM