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This is the article from Burr-Brown that my excel file simulation is based on. If you have problem understanding what I wrote, read this article:http://www.ti.com/lit/an/sboa060/sboa060.pdf

try use the excel simulation file I uploaded a while back and enter in the numbers of your other opamps from the datasheet. If you read through the explanations, they will show you how to enter the

Hello All, Thanks for your response... Well I have tested almost all inputs in LTSpice as per my design criteria:...it works fine on the screen... Parameter Goal Gain 900 kV / A Vout min (at 112 nA)

It's been 3 days since I posted and still have not shown up. Regarding to noise pickup like from power supplies, power lines, tv etc. It's very common, any reasonable high transimpedance gain circuit

Some of you seem to be interested in long flaming wars on anything and do't understand the basics of business and how it operates and how acquisitions work. No amount of emails would help people who

Some of you seem to be interested in long flaming wars on anything and do't understand the basics of business and how it operates and how acquisitions work. No amount of emails would help people who

Do a web search for UPA63H. I don't know whether it will do what you want. With best wishes DESIGN IT IN! OOO – Own Opinions Only <http://www.jmwa.demon.co.uk/> www.jmwa.demon.co.uk J M Woodgate and

"Are there sny more around perhaps? Can't seem to find these in any shops." I don't know what is available to you. Maybe you should start by finding which dual JFETs you can buy, then look for their

...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