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I had to change computers and need to download a new copy of the PSU software. I am having trouble figuring out how to find it now. could someone please help me with this? THank you, Jay

Thanks for the reply. I can confirm that Psud2 has full disk access, and returns the errors as in my previous message. Whatever the issue is, it's not about disk access as far as I can tell.

Hi Chris, Something similar came up a couple of years ago, it involves a slight tweak to the MacOS settings. There's an article on it here that shows the exact same problem, and then further down, how

Not sure if this is the same issue, but I have not been able to run PSUD2 for months on my Mac, running Ventura 3.1. I am able to download the app, and install with the usual MacOS precautions.

as far as i know, all versions of OS X were 64 bit. 32-bit apps are something else – OSX Mojave (10.14.6) was the last macOS that could deal with 32 bit software. all newer macOS are 64 bit only.

I have version 10.12.6 Sierra on my main Mac but I have High Sierra on another Mac and a later one (?) on my Mac Mini

You'll probably get some more descriptive answers from the hardcore Mac users, however I can tell you it's a 64 bit app so will work only on the later 64 bit systems. I know that users have had

I downloaded version 77. Haven't installed it yet. What OS versions does this work with? Thanks

If you are using RC filters, you can burn off as many volts as you like in the resistors, so long as all components can stand the off-load voltage. It's much easier to lose volts than add them.

Hi Is designed a PSU with 290v-0v-290v transformer (Imax = *100mA* , *58VA* , Rpri=21ohms, Rsec=238ohms) and a *57mA total load.* I want to have arround 350Vdc at my B+ (with silicone diode rectifier,

Thanks, I think I get it now, although I believe it is usual to include the winding resistance in the total limiting resistance, rather than adding it, when using capacitor input. Your plan to include

There's a little bit more to it. The transformer impedance is, for the most part, caused by the primary winding resistance and the secondary winding resistance - both will affect the impedance feeding

Thanks very much for the reply. Just to be clear, if I need 100R in each leg, I just enter the secondary winding resistance as100R and this value will be applied to each leg when calculating?

PSUD shows the source impedance (combination of primary and secondary impedance) for just one leg of the winding. You can directly add the series resistance to this value to simulate the current

Tube rectifiers often specify the minimum resistance required in series with each rectifier to limit peak current. For full-wave rectification, does the source resistance shown in PSUD refer to the

JUST after I saw your reply, I was on The Register.com ' Oops~ column, and saw this comment: "Bug reports are a Good Thing for software that people find useful: it's a sign that people are using it

The checking is done when you try and exit the box containing the value. For example, if you key in -1u then nothing happens until you try and move. Pressing tab or clicking on the OK button will

'When' is the check? I am not sure I can do this on initial setup. I seem to do it at-will by editing an existing setup. Transformer voltage dialog objects to <2V at first setup, but if I enter 2V

Hi Paul, Thanks for sending the screen dump and other info. I've had a look in the file you sent, and the value in there is definitely -1E-6 (-1uF). However, I cannot offer any kind of explanation as

Screen capture showing values and plot, .psu file, About screen, Windows properties screen.