Programming instructions

Analog Components
Multisim Component Reference Guide 5-4 ni.com
The same model is used for DC, time-domain and AC analyses.
where
The slew rate limits the rate of change of
I
1
to model the rate of change of output voltage.
where
A
1
= open-loop voltage gain of the first stage
R
IN
= input resistance, in ohm
I
BIAS
= input bias current, in amperes
I
OS
= input offset current, in amperes
R
OUT
= output resistance
II
I
II
I
I
AV
R
AA
BBIAS
OS
BBIAS
OS
IN
1
2
1
11
1
1
2
2
13
=+
=
=
=
/
R
f
f
A
C
Rf
P
u
P
1
1
1
11
1
1
2
=
=
=
∗∗
k
π
I
AV
R
AA
RR
IN
OUT
1
2
2
2
2
2
13
=
=
=
/
ComponentRef.book Page 4 Thursday, December 7, 2006 10:12 AM