Lambda LQ-521 Power Supply Teardown and Repair
I bought a non-working Lambda LQ-521 linear power supply on eBay a couple of weeks ago. Usually I avoid knowingly […]
A Digitally Controlled Dual Tracking Power Supply — III
In part 1 of this series of blog postings, I showed my preliminary design of a dual tracking linear power […]
A Digitally Controlled Dual Tracking Power Supply — I
Power supply is one of those things one can never have too many of. I have quite a few already, […]
Adding a Fan Controller to Topward 6603A
I did a review on Topward’s 6603A linear power supply last time. In my opinion, Topward 6000 series power supplies […]
Topward 6603A Linear Power Supply Teardown
I bought a used Topward 6603A lab power supply from eBay a couple of weeks ago and thought I would […]