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Thanks Andy It’s amazing seeing all this capability! I definitely have had a lot of great assistance today “Corrected” by my iPhone

Thanks for the history I entered the industry in 1977 designing CPUs for Motorola (68K was the first) I did lots of CPU, SRAM, DRAM design up to the mid 90s for Moto, Intel, MIPS and Rambus Then I

Okay maybe I will look at LTspice XVII again then reply? Thanks Andrew

Not only that, but when you go to the help page for "Super Expert Mode", the title at the top of the page actually is "General Attribute Editor". With some components, right-clicking on the symbol

Richard, As Helmut says, LTspice's Bv and Bi sources are the easiest way to create voltage (or current) sources whose outputs are a mathematical function of other signals. Please read the Help page

Hello Rick, The name "Super Expert Mode" has been first time used in LTspiceXVII, but not in LTspiceIV. I knew this feature since the beginning of LTspice, but I first time heard about this naming in

Completely agree Glad you mentioned the reply because it didn’t arrive for me by email... I had to go to the web page to see it. I would have surely missed it otherwise as I seldom read the traffic

Hey that is exactly what I am seeking Helmut. I usually don't trust "comments" added to schematics to be guaranteed to be updated... I make mistakes in my old age (!) so having a way they are

Thanks again You folks are awesome Really appreciate the help getting going with the basics “Corrected” by my iPhone

Hello Richard, You asked abot B-sources (bv, bi). They have to be defined with a formula. The formula can have as many node voltages or curernts you want. Two examples: V = 5 V = 2*V(a) -3*V(ab) +sin

I noticed an example circuit showing a PWM It included a voltage source that creates a waveform defined by a mathematical expression involving two other sources that have nodes inserted into the

Hello, I don't know of any laptop where LTspice wouldn't update. Maybe you have too much security programs/settings on your laptop or something else very specific. I know that LTspiceXVII sometimes

It has certainly not been cut down (whatever that might encompass) in any way.? Why do you think it has? When you say 'won't update', do you mean that you can't request an update, or that update

But Helmuth's reply is better. I did not know that W and L could be handled that way. Best wishes John Woodgate OOO-Own Opinions Only J M Woodgate and Associates www.woodjohn.uk Rayleigh, Essex UK

Thanks for both replies. I did not really want to pursue why LTspice XVII does not work on a couple of old laptops and one comparitively new laptop other than to say the issue was that LTspice,

Ok Hey thanks for the quick reply, John “Corrected” by my iPhone

Hello Richard, There is a component edit mode called "Super Expert Mode". See the help pages in LTspiceXVII -> Shematic Capture -> Editing Components : Super Expert Mode Just CTRL-right-mouse-click on

You can add them as text, using the '/Aa/' icon on the toolbar, but there is no way to have LTspice add them automatically. Best wishes John Woodgate OOO-Own Opinions Only J M Woodgate and Associates

I agree, but it's odd that the OP's portable computer won't run LTspiceXVII. It clearly doesn't happen with tens of thousands of other portables. Best wishes John Woodgate OOO-Own Opinions Only J M

Folks thanks for all the help thusfar: very good SNR here! I am able to use the "pretend tsmc transistor files" and get circuits to work Now if only there was a way to get the W/L sizes of the