Re: BD829 - BD830 Spice models
Hi. Files >Lib >cmp> standard.bjt 2.zip I would not have high hopes of these models. Model is very suspicious. Test them. Bordodynov.
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§¡§Ý§Ö§Ü§ã§Ñ§ß§Õ§â §¢§à§â§Õ§à§Õ§í§ß§à§Ó
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#68579
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Re: Determine phase and gain margin in filter/amp
---In ltspice@..., <405a82e5@...> wrote: Thanks, Frank, The Tian method uses equations that are far too long and error-prone. I would never be able to find a typo. Also, it requires an
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Frank Wiedmann
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#68578
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Re: Determine phase and gain margin in filter/amp
Rick, I tried that. The slope around zero is very shallow and you have to look at the cursor parameters in the bottom left corner of the display. Even so, I could not get consistent results. For
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monettsys <405a82e5@...>
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#68577
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BD829 - BD830 Spice models
Hello. Does anyone have ltspice models for transistors BD829 and BD830 ?
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vegetat55
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#68576
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Re: Determine phase and gain margin in filter/amp
Thanks, Frank, The Tian method uses equations that are far too long and error-prone. I would never be able to find a typo. Also, it requires an additional subcircuit that has to be included in each
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monettsys <405a82e5@...>
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#68575
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Re: Singleton amplifier loop gain simulation(Stability margins)
ok.everything solved.thank you all for your help.
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vegetat55
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#68574
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Re: XVAR specification
---In ltspice@..., <rsrakeshbharath@...> wrote: ... I try to use the variable resistor(XVAR) from LTSPICE library. What kind of resistor? You used a varistor, is that you intended? Look
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schockenbaum
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#68573
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Re: How to create a spice model using only the datasheet
thx a lot
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Aymen Dardouri
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#68572
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Re: Determine phase and gain margin in filter/amp
---In LTspice@..., <405a82e5@...> wrote: Rick, How did you manage to get three digits of resolution? I tried using the cursor but could not locate 0dB or measure the phase angle that
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Frank Wiedmann
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#68571
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XVAR specification
Dear all, I am designing a circuit in LTSPICE. I need a variable resistor to use it in my circuit. I try to use the variable resistor(XVAR) from LTSPICE library. After designing the circuit after
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rakesh sharma
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#68570
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Re: FFT Resolution
ronw6wo wrote: To gain some FFT experience I checked the bandwidth of individual I don't use FFTs regularly, but some things you should be doing include: Disable waveform compression (.option
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Andy I
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#68569
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Re: FFT Resolution
Hi If you upload the your schematics, some will give you a comment, I think. Shiggy
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ÖØËɺê²ý
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#68568
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FFT Resolution
To gain some FFT experience I checked the bandwidth of individual harmonics of a 14MHz square wave They show as having a bandwidth of 1.5 MHz which is ridiculous I have tried many simulation settings
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Ron Skelton
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#68567
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Re: How to create a spice model using only the datasheet
Hello, The diode model is on Vishay's web page. .MODEL ETX06 D (IS=1.8807P N=2.5 BV=680 IBV=100U RS=34.2934M TT=26.4698N + CJO=175.851P VJ=700M M=459.591M EG=2.5 XTI=2 RL=25.4602MEG)) There is no
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Helmut Sennewald
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#68566
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Re: Determine phase and gain margin in filter/amp
Mike, I enlarged the plot at the point where the gain crossed 0dB and used a cursor. Rick
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Rick
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#68564
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Re: How to create a spice model using only the datasheet
In message <l84qps+nq6dbm@...>, dated Mon, 9 Dec 2013, aymen.dardouri1990@... writes: They may not be in the archives, but models of diodes and capacitors can be made from data
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John Woodgate <jmw@...>
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#68565
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Re: How to create a spice model using only the datasheet
i hope that s.b does have the models, even if i think its a bit hard. in fact i only need 2 models: -diode: VISHAY VS-8ETX06FPPBF -capacitor: VISHAY MKP1840422104M
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Aymen Dardouri
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#68563
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Re: Specifying multiple grounds in LTspice
I use a self-made symbol, a small square with a zero-length pin in the middle, which simply netlists as a resistor of value {1/Gmin} to ground. ...Jim Thompson Web Site:
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jtanalog
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#68562
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LDO LTC1844
Hi, I'm trying to do some simulations with the LTC1844 and was surprised it's not included in the Linear devices included in my LTSpice. I did a search in "all_files.htm" that I down loaded and I
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rob@...
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#68561
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Re: How to create a spice model using only the datasheet
aymen.dardouri1990 wrote: i've been told the is a possibility to creat new spice models using only For the very simplest components (individual transistors, diodes), I think it is possible. I don't
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Andy I
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#68560
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