If
Y
ou
Have
A
Problem
When
Y
ou
Make
A
Measurement
If
Measured
V
alue
Oscillates
when
Measuring
Negative
Resistance
If
the
DUT
has
negative
resistance
characteristics
,
SMUs
may
oscillate
.
Because
SMUs
operate
as
negative
feedback
amplier
.
T
o
solve
this
problem:
F
or
voltage
controlled
negative
resistance
device
Connect
G
in
parallel
with
your
DUT
to
cancel
negative
resistance
.
T
o
obtain
an
output
I-V
curve
,
use
the
following
equation.
I
Y
=
I
0
G
3
V
6-10
Summary of Contents for 4155A
Page 2: ...Semiconductor Parameter Analyzer User s Task Guide ...
Page 6: ......
Page 7: ......
Page 8: ......
Page 9: ......
Page 19: ...Contents ...
Page 20: ...1 Introducing the HP 4155A 4156A ...
Page 47: ...Introducing the HP 4155A 4156A An Overview of Functions ...
Page 48: ...2 Installation ...
Page 84: ...Installation Installing Accessories Attaching HP 16441A R Box to Shielding Box 2 37 ...
Page 94: ...3 Making a Measurement ...
Page 161: ...Making a Measurement Stress Force ...
Page 162: ...4 Analyzing Measurement Results ...
Page 206: ...5 Filer ...
Page 211: ...Filer File Operations Example The following gure shows example that displays le catalog 5 6 ...
Page 233: ...Filer File Operations ...
Page 234: ...6 If Y ou Have A Problem ...
Page 276: ...7 Manual Changes Depending on ROM Version ...
Page 279: ...Manual Changes Depending on ROM Version Change 1 ...