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  • Programmable bidirectional DC power supply

    From battery cycling and renewable energy simulation to EV component testing, electronic design engineers are frequently required to test systems that consume and regenerate energy. Testing an EV battery pack, a regenerative braking system, or an energy…
  • ROHDE & SCHWARZ NGC103

    ROHDE & SCHWARZ NGC103 Manufactured By: ROHDE & SCHWARZ Part Number: NGC103 Buy Now The NGC103 is an NGC100 series three-channel power supply. NGC100 power supplies’ specifications and wide range of functions…
  • Powering Raspberry Pi inside a External USB Hard Drive Enclosure

    I suspect this may have been covered someplace already and if it has, please comment with a link to the project. I have done some searching and maybe I am just not hitting it right. I have an older Fantom Drives USB to SATA Hard drive enclosure (Model…
  • retro console power

    I really would like to create a power supply for my retro consoles. Something to connect thin wires with barrel connector to without all the wall warts and power strips. I know for 1st and 2nd consoles I know low frequency power allows the console to…
  • Why did my 10A fuse blow?

    Hello everyone! I had a really strange incident yesterday. I was playing a game on my desktop PC yesterday and suddenly I heard something blowing up from my computer. The control panel went off for all sockets in the house. Moreover, the 10 Amp fuse from…
  • AWG Sizing Question

    I am familiar with AWG sizing, however I need to double check on something before I go wiring it up. I recently added a heated bed to my 3D printer which required me to upgrade to a beefier power supply. I am using a power supply that is rated for 12v…
  • Multicomp Pro MP710086 DC Power Supply Review

    Updated 19 May 2021: Section on SCPI Updated 21 June 2021: Added pyvisa SCPI test I obtained and have been using a Multicomp Pro MP710086 Multicomp Pro MP710086 DC Power Supply for the last couple of months. My unit has 0 - 30V DC, 0 - 5A output and is…
  • Cool RoadTest! Keysight Technologies 160-watt Triple Output Programmable Bench DC Power Supply

    The 160-Watt E36313A is a clean reliable bench power supply for general purpose applications. It combines next generation benchtop capabilities with flexible system features in a compact intuitive package. The E36313A is the best-in-class power supply…
  • Enroll in RoadTest!: Keysight Technologies 160-watt Triple Output Programmable Bench DC Power Supply

    The 160-Watt E36313A is a clean reliable bench power supply for general purpose applications. It combines next generation benchtop capabilities with flexible system features in a compact intuitive package. The E36313A is the best-in-class power supply…
  • Rohde & Schwarz HMP4040.04 Repair - Part 3: A Happy Ending?

    I reviewed the Rohde & Schwarz HMP4040.04 back in October 2018 , which was unfortunately damaged in transit. After almost a year without any resolution, I decided to crack it open and attempt a repair. The first time I opened it, I found a bunch of bad…
  • Tenma Model 72-2685 Digital Controlled DC Power Supply - First Impressions

    Thanks to Project14 and the Electronic Toys contest I have a new bench power supply! Thanks tariq.ahmad . In this blog I will outline why I selected it and my first impressions. I also do a quick out of the box check to make sure things seem to work as…
  • Rohde & Schwarz NGM202 Power Supply Launch-Day Review

    I seem to be having a lot of luck with Rohde & Schwarz lately, as a RoadTester of their RTM3004 oscilloscope , I was awarded RoadTester of the Year. I also RoadTested their HMP4040 power supply , which led to an opportunity to review their HMC8043 power…
  • Rohde & Schwarz HMC8043 Power Supply Review

    Last year has been a pretty interesting year for me, receiving the RoadTester of the Year award from element14 for my Rohde & Schwarz RTM3004 oscilloscope review and also delivering a review of the Rohde & Schwarz HMP4040 power supply . Since then, it…
  • R&S HMP4040.04 PSU RoadTest in Depth – Ch5: Instrument Performance [UPDATE]

    In late November last year, I reviewed the Rohde & Schwarz HMP4040.04 384W four-channel programmable power supply . This power supply was a beast of a supply with a hybrid linear-design and exceptional performance specifications which aligns well with…
  • RoadTest Extra: Rohde & Schwarz HMP4040.04 Teardown & (Attempted) Repair

    Just over half a year ago, I was fortunate enough to be chosen as a reviewer of the Rohde & Schwarz HMP4040.04 384W Four-Channel Programmable Power Supply, which I reviewed here . The unit was a stellar performer, but unfortunately, it suffered substantial…