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Prelab 1: Introduction to SPICE
Name:
Lab Section:
1. Before you begin, you will need some instructions on how to run and use HSPICE. We have a tutorial
that contains instructions for both the Windows and UNIX versions of HSPICE. The tutorial also
includes a number of examples to help you get started.
•
HSPICE Tutorial
2. Figure 1 shows a network of resistors and a capacitor. Derive the transfer functions,
v
x
/v
s
and
v
y
/v
s
(as functions of
jω
). There is additional space on the next page for you to show your work.
Hint: The
voltage divider equation will help in this analysis.

v
s
+
1 Ω
0
.
999 kΩ
1 kΩ
+
v
x

1
μ
F
1 kΩ
+
v
y

Figure 1:
Circuit to simulate for the prelab
1
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v
x
v
s
=
v
y
v
s
=
3. Using the transfer functions you just derived, create Bode plots (magnitude and phase) for
v
x
/v
s
and
v
y
/v
s
. Please put the magnitude and phase plots on the same graph for each respective transfer
function and also, label your plots by indicating which curve is the magnitude and which is the phase.
Note: If you need a review of Bode plots, please read the Bode Plot Tutorial.
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 Spring '08
 MonaHella

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