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Documentation update, ac resistance added.

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pnenzi 2000-05-22 05:22:51 +00:00
parent 26d5bdd223
commit 2ab41e17d1
2 changed files with 12 additions and 4 deletions
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doc/ChangeLog
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@ -1,3 +1,7 @@
2000-05-21 Paolo Nenzi <p.nenzi@ieee.org>
* ngspice.texi: documentation update. AC parameter for resistor
added.
1999-09-06 Arno Peters <A.W.Peters@ieee.org>
* ngspice.texi: Added TeX equivalents for some formula.

12
doc/ngspice.texi
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@ -963,7 +963,7 @@ in the direction of voltage drop).
General form:
@example
RXXXXXXX N1 N2 VALUE
RXXXXXXX N1 N2 VALUE <ac=val>
@end example
@ -972,13 +972,17 @@ in the direction of voltage drop).
@example
R1 1 2 100
RC1 12 17 1K
R2 5 7 1K ac=2K
@end example
N1 and N2 are the two element nodes. VALUE is the resistance (in ohms)
and may be positive or negative but not zero.
and may be positive or negative but not zero. It is possible to specify
a different resistance value for ac calculations, using the "ac"
parameter. The value of ac resistance must not be zero. If you do not
specify the "ac" parameter, it will be defaulted to VALUE.
Note: ac parameter can be considered "safe" since rework-11
@node Semiconductor Resistors, Semiconductor Resistor Model (R), Resistors, Elementary Devices
@ -987,7 +991,7 @@ and may be positive or negative but not zero.
General form:
@example
RXXXXXXX N1 N2 <VALUE> <MNAME> <L=LENGTH> <W=WIDTH> <TEMP=T>
RXXXXXXX N1 N2 <VALUE> <MNAME> <L=LENGTH> <W=WIDTH> <TEMP=T> <ac=val>
@end example