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Temperature Pin on PSPICE models

It's set by model parameter T_REL_GLOBAL or T_REL_LOCAL.

I don't know if v8 can do that. (I have v10.5)

...Jim Thompson

-- | James E.Thompson, P.E. | mens | | Analog Innovations, Inc. | et | | Analog/Mixed-Signal ASIC's and Discrete Systems | manus | | Phoenix, Arizona Voice:(480)460-2350 | | | E-mail Address at Website Fax:(480)460-2142 | Brass Rat | |

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| 1962 | Anyone can be rude, but it takes a Democrat to be a real dirtbag.

Reply to
Jim Thompson
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Some of the newer Orcad 9.1 PSPICE models have a temperature pin in them. How do you make a part for MicroSim 8.0 that ties this pin to the temperature?

Thanks

Paul C

Reply to
PaulCsouls

I don't understand. If you look at the first couple of lines of the NDS9410a model, there's an extra pin. Pin 50 VTEMP. When I make a symbol I have to include this pin. The model works but I need to drive this pin with a 27Volt source. I'd rather have this pin be driven by the normal .TEMP parameter. Is there a way to attach a pin to a parameter?

Thanks

Paul C

Reply to
PaulCsouls

Aha! Someone has hokeyed up a model so that an applied voltage is local temperature.

Are you wanting to do a temperature sweep, or some other analysis, but set temperature?

If you do a behavior VCVS with expression = {TEMP}, you'll get a voltage equal to the temperature.

(I'm pretty sure that works in v8.)

...Jim Thompson

--
|  James E.Thompson, P.E.                           |    mens     |
|  Analog Innovations, Inc.                         |     et      |
|  Analog/Mixed-Signal ASIC\'s and Discrete Systems  |    manus    |
|  Phoenix, Arizona            Voice:(480)460-2350  |             |
|  E-mail Address at Website     Fax:(480)460-2142  |  Brass Rat  |
|       http://www.analog-innovations.com           |    1962     |
             
 Anyone can be rude, but it takes a Democrat to be a real dirtbag.
Reply to
Jim Thompson

Yes, I'm trying to do a nested temperature sweep on a whole circuit. Fairchild seems to be adding these weird VTEMP pins in their SPICE models. I'll try the VCVS = {TEMP} trick. I also try making the pin hidden and sticking {TEMP} into the IPIN.

Thanks

Paul C

Reply to
PaulCsouls

Fairchild has an explanation on how to use these models.

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Paul C

Reply to
PaulCsouls

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