LF256_LM00002: operational amplifier test

part name: LF256_LM00002
description: Monolithic JFET-Input OP-AMP
documentation: http://www.national.com/ds/LF/LF256.pdf
model name: LF256
library file: LF256.MOD

input and output voltage graph
Input and output voltage of an non-inverting amplifier with amplification factor of 2.
UR voltage graph
Transfer function of an AC non-inverting amplifier.

Test logging messages

testlibrary.pyc creating netlist:  gnetlist -g spice-sdb -l scripts/geda-parts.scm -o model_tests/national/opamps/LF256_LM00002/ng21/ac_amplifier.net model_tests/national/opamps/LF256_LM00002/ng21/ac_amplifier.sch
Using SPICE backend by SDB -- Version of 4.28.2007
schematic-type = normal schematic
Command line passed = gnetlist -g spice-sdb -l scripts/geda-parts.scm -o model_tests/national/opamps/LF256_LM00002/ng21/ac_amplifier.net model_tests/national/opamps/LF256_LM00002/ng21/ac_amplifier.sch 
Loading schematic [/home/werner/oss/geda/spicelib/model_tests/national/opamps/LF256_LM00002/ng21/ac_amplifier.sch]

testlibrary.pyc netlist creation was successful
testlibrary.pyc running simulation:  cd model_tests/national/opamps/LF256_LM00002/ng21 ; ngspice -r X -b simulate.ngspice



Circuit: *

Doing analysis at TEMP = 27.000000 and TNOM = 27.000000


No. of Data Rows : 201
Doing analysis at TEMP = 27.000000 and TNOM = 27.000000


No. of Data Rows : 201
Doing analysis at TEMP = 27.000000 and TNOM = 27.000000

elapsed time since last call: 0.038 seconds.

Total elapsed time: 0.038 seconds.

Total DRAM available = 5983.023438 MB.
DRAM currently available = 1672.488281 MB.
Total ngspice program size = 19.826172 MB.
Resident set size = 1.018555 MB.
Shared ngspice pages = 724.000 kB.
Text (code) pages = 1.840820 MB.
Stack = 0 bytes.
Library pages = 6.033203 MB.


testlibrary.pyc simulation run was successful
testlibrary.pyc testing and plotting
testlibrary.pyc finished testing and plotting successfully

Werner Hoch
Last modified: Wed Nov 21 15:29:09 CET 2007