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There's a couple of things I can think of. First is to ensure that the voltage feeding the regulator doesn't drop below the dropout voltage. You'd have to check the data sheet, but say the dropout for

I have a design I want to explore to power a 5V device that consumes up to 3A on start up as the system boots up and consumes more power, and then settles and takes a steady state at 240mA How is this

There's a guide in the help file which explains how to use the software and a video on how to make up your own custom rectifiers. Every on-topic question I get on here gets answered by me personally,

I found it intuitive and useful from the first click, but then I worked 45 years as an electrical engineer...? I think you need a bit more background first.? I'd suggest you Google "Vacuum tube

…and the question ‘where can [I] find a guide,’ or very similar, has been asked since at least 2006… except, all we get is avoidance and/or ‘nice’ obfuscations… Personally, I have come

Is there some reason you can't lower the input voltage. I built this two stage bucker to lower our 120v+ to ≈117 ieLogical BuckTrans <https://ielogical.com/Audio/BuckTrans.php>

Topic locked, so I'll start a new one. A resistor inserted at the center tap of a full-wave rectifier acts the same as adding two resistors of the same value, one in series with each diode, and could

Hi Mark, It will lower the output voltage and will also make the regulation worse. It's not something that PSUD currently models and isn't likely to be on the roadmap for the future, so not something

will adding a resistor in line with the center tap to ground lower my secondary output voltage

Hi Duncan, My error as I looked in C:\Users\...\AppData\Roaming\*_psud2_* and it only had the rectifiers.txt file. Never thought to look in the old 'psud' folder ? Thanks, - Ian

Hi Ian, The rectifier files (under Windows) are stored in the Appdata folder which can be found at C:\Users\<username>\AppData\Roaming\psud\rectifiers As per the help file + video, this is the place

Hi, How to model and add new rectifiers was last addressed about a week ago in the following message: /g/duncanampspsud/message/304 ( /g/duncanampspsud/message/304 )

Diodes now have their own individual files in the program folder e.g. C:\Program Files (x86)\PSU Designer II\rectifiers example HFA25PB60.rect file - may be different on a mac <?xml version="1.0"

Since foolishly embarking on the now long-deleted (Walton) published SE design (I was and am on a very restricted budget...) over a decade ago only to find some of the major (i.e. very expensive!)

I used the rectifier database: http://www.duncanamps.com/psud2/rect_list.php ( http://www.duncanamps.com/psud2/rect_list.php ) and list: http://www.duncanamps.com/psud2/rect_list.php which were

For the past year (or more!) I've been getting an error message when I try to run PSUD2 -- MacOS reports an access violation and the program won't load. After reading about how the rectifier file is

The rectifier database is no longer used as it became a free for all and got filled with junk which didn't make sense and crashed PSUD2. Equally the rectifiers.txt file is no longer used and hasn't

Yes, correct. Regards, Duncan

Thanks! So the answer is that the rectifiers are now in name.rect files, in the rectifiers folder in:

Thanks! So the answer is that the rectifiers are now stored in name.rect XML files: I updated the rectifier database, which allowed me to download rectifiers.txt, but does it feed into the new.rect