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Recommendation: Programmable Linear Power Supply
- Thread starter c1ferrari
- Start date
The Rigol DP800 series is the go-to brand for engineers/hobbyists these days: https://www.rigolna.com/products/dc-power-loads/dp800/
The prices are quite reasonable in $500 to $800 range.
There were some design issues in the first generation model (heatsink too small on one regulator) so don't get a used one.
The down sides are fan noise, and very deep enclosure.
I don't have one though so no personal experience.
The prices are quite reasonable in $500 to $800 range.
There were some design issues in the first generation model (heatsink too small on one regulator) so don't get a used one.
The down sides are fan noise, and very deep enclosure.
I don't have one though so no personal experience.
Might want to look at the Keysight ones
http://literature.cdn.keysight.com/litweb/pdf/5992-2124EN.pdf?id=2875298
http://www.keysight.com/en/pd-28045...-6v-5a-25v-1a?nid=-35489.1215252&cc=AU&lc=eng
More expensive $1100 to 1700 USD, but good quality.
http://literature.cdn.keysight.com/litweb/pdf/5992-2124EN.pdf?id=2875298
http://www.keysight.com/en/pd-28045...-6v-5a-25v-1a?nid=-35489.1215252&cc=AU&lc=eng
More expensive $1100 to 1700 USD, but good quality.
Last edited:
OP
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- Thread Starter
- #4
The Rigol DP800 series is the go-to brand for engineers/hobbyists these days: https://www.rigolna.com/products/dc-power-loads/dp800/
The prices are quite reasonable in $500 to $800 range.
There were some design issues in the first generation model (heatsink too small on one regulator) so don't get a used one.
The down sides are fan noise, and very deep enclosure.
I don't have one though so no personal experience.
Thanks, Amir -- I saw a version of this on EEVblog when he was recharging a Li-ion battery. The price is right! I think I'd rather the color version, though.
OP
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- #5
I'll take a look...thanks. Would you be aware of any Keithley power supplies that merit attention?
The color version is harder to use because it puts the three settings for each voltage on a circle! So you can't easily associate which is which with respect to the outputs. They do have a firmware update to make it look like the green one with three vertical bars and there is a youtube on doing the upgrade. However, I heard that they may give you a hard time in giving you that firmware.
Keithley stuff is also highend like Keysight so I would not hesitate to use their products.
OP
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It does stay in color with the new firmware. Here is the video that that I was talking about regarding the update. It shows the color screen at the end:
OP
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- #10
I don't think Keithley garners the respect their products warrant.
Rohde & Schwarz and Hameg may be worth it ($$$), too!
My UPV needs a companion.
OP
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- #11
Some good vids on this Rigol, but -- GEEZ!
Color 'Classic' display has nice appearance.
Yeh, I am a sucker for color too .
.
I tend to like the ones that have a button to shut down the display -- it tends to radiate noise that your cables can pick up even if it does not appear directly on the outputs. I have never used a Rigol so cannot comment but Keithley and Keysight make some really good models. There are also a number of programmable models by companies like Lambda and others that are more basic but offer good performance and some sort of serial or parallel cable (UART/RS-232/GPIB) program capability. Do check noise specs if you want a truly low-noise model, and expect to pay for it. Or build a filter of your own, usually a cheaper way. Also be wise to invest in an isolation transformer if using it for measurement purposes, but be aware higher-frequency noise will find a way and the CMRR of most devices falls off rapidly with frequency.
OP
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- #14
I may demonstrate total prohibition of restraint and splurge for this:
http://www.tek.com/tektronix-and-keithley-dc-power-supplies/keithley-2280s-series
http://www.tek.com/tektronix-and-keithley-dc-power-supplies/keithley-2280s-series
Man, that is one cool cat! I am tempted and I don't even need one!!!
They have combined their 6.5 digit meters with a power supply. Very nice idea. Then 10 na range for current is also very useful.
Get it, then send it to me to measure the Uptone ISO Regen with it.
I am tempted and I don't even need one!!! They have combined their 6.5 digit meters with a power supply. Very nice idea. Then 10 na range for current is also very useful.
Get it, then send it to me to measure the Uptone ISO Regen with it.
Tequipment.net is the usual place for test gear. I went there though and it says both versions of this supply are discontinued! http://www.tequipment.net/Keithley/2280S-60-3/
Alternatively I buy through Amazon and they are stocking one unit. I would further investigate if the unit is discontinued.
Alternatively I buy through Amazon and they are stocking one unit. I would further investigate if the unit is discontinued.
It is a recent product so surprising to see that. TEquipment guys are pretty good on chat. Engage them on Monday and see what the beef is and their best price. They have a discount for EEVblog members too and so just ask them about it.
BTW, be sure the max voltage and current meet your needs.
BTW, be sure the max voltage and current meet your needs.
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