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Hi Steve, Thanks for the message, however there are a few paragraphs in it which I need to comment on, specifically: While it's 100% true to say that PSUD II was originally written for Windows, it is

Duncan, Thank you for the free software. I have used it for many years and appreciate the work that you have done. To Mac Users, I am running PSUD II version 2.2 Build 73 on my MacBookPro. When

perhaps the mac users could take up a collection... ? - Ian

I think it is 99 USD / year https://developer.apple.com/support/compare-memberships/ Regards Rob

The workaround for MacOS is very straightforward. After trying to open PSUD for the first time, go to System Preferences>Security and Privacy>General tab. You will then have to "unlock" the pane by

It's not an Apple exclusive I'm afraid; Windows 10 & 11 are displaying similar warnings if the software isn't registered with them, arguably easier to work round though. Regards, Duncan

Welcome to the sparkling world of Apple !! Pino Inviato da iPad

If you are sure the software package you are installing IS genuine, if you trust Duncan does not want your secrets, if you got it directly from Duncan's site, on a legitimate network connection, then

Hi Pete, As background, the message comes up because I'm not a registered developer as this costs $$$'s per year and I don't charge for the software, or use advertising, so it's a cost I don't really

Hi Duncan, That's the one my Mac is running - 12.3.1.? Sorry I wasn't clear - I got that message when I downloaded the software and it wouldn't install it. Thank you!Pete

Hi Pete, Can you confirm what version of MacOS you are using? I'm just upgrading to the latest version (Monterey 12.3.1) to see if that's the problem. Also can you let me know if you are having the

Hi, I have a new Mac after years of PC only, and when I download the Mac version from the website I get a message saying: *“psud2_build73” cannot be opened because the developer cannot be

Hi, There's no IOS or Android versions, and none planned at this time. The routemap for PSUD3 encompasses Windows / MacOS and additionally Linux. Regards, Duncan

IS THERE A PSUD2 VERSION FOR IPAD? Thanks in advance. Peace, DrRick

I install psu designer on Linux with Playonlinux, the program starts and simulates but the graph does not appear, how did you solve?

Thanks to both Duncan and Paul, that's exactly what the sim indicates.? Well, that sure showed me for trying to take a shortcut.? I now have a CRC network which works like a charm. Tom's MOV

Scratch the reverse-biased diode idea: adding a tiny capacitor (10 nF) before the choke and looking at the voltage shows the choke input goes below zero by about a diode drop at the zero-crossing of

Sorry Duncan, tried again with 1uF and works. Bst rgds Felipe ________________________________ De: [email protected] <[email protected]> en nombre de Duncan Munro <duncan@...>

Hi Duncan, Yes I did see it, I tried to insert a small between the bridge rectifier & the choke input but PSUDII still open the window with exceeded PIV), also I don't know how to put a MOV (and waht

Hi, There was a thread on something similar only a few days ago where the contributors gave some good tips on choke input supplies -> /g/duncanampspsud/topic/90581045 Regards, Duncan