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authorrahulp132021-01-07 07:55:48 +0530
committerrahulp132021-01-07 07:55:48 +0530
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-This directory holds a SPICE netlist with SPICE2 POLY constructs in
-controlled sources as typically found in vendor models. The circuit
-is just a two-stage transimpedance amp using an AD8009,
-along with some slow components (AD780 and OP177A) to set bias
-points. Vendor models are used for all active components.
-Successfully running this test shows that you have successfully built
-the XSpice stuff with the POLY codemodel, and that you should be able
-to simulate SPICE netlists with embedded vendor models.
-
-To run this netlist, just do the following:
-
-[localhost]# ngspice
-ngspice 1 -> source output.net
-ngspice 2 -> run
-ngspice 3 -> plot Vout2
-
-(Note that when you read in the netlist, you will get a bunch of
-warnings saying stuff like:
-
-Warning -- Level not specified on line "()"
-Using level 1.
-
-Also, ngspice will complain about:
-
-Error on line 50 : r:u101:1 u101:40 0 1e3 tc=7e-6
- unknown parameter (tc)
-Error on line 283 : .temp 0 25 50 75 100
- Warning: .TEMP card obsolete - use .options TEMP and TNOM
-
-You can ignore all this stuff . . . .)
-
-You should get a pop-up window showing two square pulses (the second
-smaller than the first) with a little bit of overshoot on the rising
-and falling edges.
-
-This stuff was done as an adjunct to work on the gEDA project.
-Information about gEDA is available at http://geda.seul.org/ .
-Please direct all questions/suggestions/bugs/complaints about XSpice
-extensions to ngspice to Stuart Brorson -- mailto:sdb@cloud9.net.
-
-6.23.2002 -- SDB.