Siglent Technologies SPD3303C DC Voeding

I needed something more versatile and accurate for modern radio work than my old hand-made power supply could deliver. I paid more than I wanted to, but many of the more affordable supplies just didn't have multiple outputs or the control, or were too toy-like in feel and function. The Siglent actually has a lab feel that closely resembles the controls on my Tektronix scope. I haven't had an opportunity to do serious bench work with it yet, but I have used it to test a few light duty things and the supply works exactly as I would expect. So far, I am very happy with it, it's only off by .01 volt according to my Fluke meter. For broadcast radio bench work, it's an exacting instrument. If you need better precision than this, then you aren't looking in this price range anyway. I felt I deserved a nice supply after years of working with old stuff and junk, I'm glad I took the dive. The feel of the controls is positive and sure, they work every time. Voltages stay where I set them, they don't wander and I can set the current limits easily without argument from the supply. I've had some of the cheap supplies just fall out of the setting or completely not work or do other flaky things, the Siglent doesn't do any of that, it's steady as a rock. The display is nice, looks professional and not like a cheesy piece of kit from a toy factory and the fit and finish is good enough to compete with bench supplies at 10 times the cost. The leads supplied with it could be much better for something in this price range. Fortunately I have a set of self-made banana leads that are much more professional. That would be the only thing I would change about it. The dedicated 5 Volt output is nice for TTL work. This has been the biggest upgrade to my bench since getting my arbitrary signal generator last year. It's been a long time coming. Thanks Siglent for making a mid-line supply that's at least reachable by the common man with a budget salary. At least, it works much like a lot of the lab supplies I had the privilege to work with in tech school. I always wanted something like that for myself, but couldn't afford the $3K to get one. Siglent brings it into reach for a few Bens. I hope it lasts as long as my self-made power supply has, which has been about 30 years.

Indispensable dans mon labo, pratique de de bonne qualité .

All features and function tested and working out of box. Can't wait to really put it through its paces. This review will be updated with any problems found, but I'm expecting smooth operation to be honest. The units certification date was only a few months age so it's very recent as well, well packed. I will say for the price they could have at least included a few more sets of leads than the measly 2 they provide with the unit. The power cable is nice and flexible not one of those hard plastic coated cables.

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