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...hmm, Michael...just "ball parkin'" some good values...enough to get the amplifier to work like an amplifier...modify at your digression. I still have one msg that hasn't posted yet. W. Warren

Hello, The bug with PWL-V-sources in the 32 bit version XVII86.exe has been fixed in the new version from today. Please update LTspiceXVII. Tools -> Sync Release Best regards, Helmut

Hello, If one want the phase between two signals in the .AC analysis, then one should plot V(a)/V(b). This will plot the ratio |V(a)|/|V(b)| and the phase difference phi(a)-phi(b). Best regards,

I'm not up to date yet with newer replies, but I want to respond to this, from the original message: "I don't seem to be able to use a differential probe to identify phase shift between two points. "

AG wrote: "Yahoo hs lost a lot of people and Verizon is not bothering to sign reqs to replace them..." Why would Verizon have anything to do with jobs at a different company that they do not manage? I

Are there sny more around perhaps? Can't seem to find these in any shops.

Hello Steve The error " Error on line 101 : q13 n053 n062 vout-darlpp 0 qd44vh10 " appears because you have a bad .SUBCKT 2SC6144SG 1 2 3 finishing by .ensL Correct .endL in .endS and your circuit

Hi I have added Reg Circuits.zip to the Temp files folder. It contains (1) the (old) reg circuits.asc file which has the problem you are exploring (just change the subcircuit Spice directive between a

Hello Steve " I have pasted below the log file I get when (a) the 2SC6144SG subcircuit Spice directive is not made a comment " Coul you set "generate expanded listing" in control Panel \ Operatons and

I tracked this down to a missing resistor. Stupid. Now off to the opticians for a new set of glasses… I’ve updated the zip file in the Temp files section to Phase Analysis Rev B and deleted the

Hi Philippe I have pasted below the log file I get when (a) the 2SC6144SG subcircuit Spice directive is not made a comment and (b) I “OK” through the errors rather than cancelling the run. Thanks

Hello Steve You wrote: " That plot was produced in an earlier schematic. I later encountered problems with the schematic no longer recognising .inc statements and hence refusing to work. " Have you

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Just for the record, Yahoo Messenger , one of the pioneers in Instant Messaging is shutting down as of today,, I have been a user for over 10 years and will loose my world wide contacts... Compare

Actually I just now found the problem with the missing model definition statement although I don’t understand why it is one. In my older schematic I had, at one stage, wanted to test the impact of a

Hello Rick, The reason is simple. Mike cannot support XP with the latest Microsoft and Intel compiler tools. These tools only support WIN 7 and newer operating systems. Best regards, Helmut

Duh. The first point makes sense. I’ve clearly been getting confused between the graph portraying phase (excluding the op amp's 180 degrees) and phase margin directly. Plus the impact of the minus

Hello, Mike told me that he will fix this PWL problem in the 32bit version in the next release. Best regards, Helmut

Thanks! I'll give these a try. :)

Hi. .MODEL KPS104A NJF VTO=-0.4 BETA=0.002 LAMBDA=0.005 RD=20 RS=15 IS=1.145e-13 CGD=1.2p CGS=4p PB=0.5 B=1 KF=5e-18 AF=0.5 FC=0.5 MFG=USSR .MODEL KPS104V NJF VTO=-0.9 BETA=0.0015 LAMBDA=0.008 RD=20