
Typical
Impedance
Measurement
T
echniques
Using
the
Equivalent
Circuit
Analysis
Function
Calculating
Approximate
V
alues
of
Equivalent
Circuit
Constants
.
1.
Press
4
Displa
y
5
and
choose
NNNNNNNNNNNNNN
MORE
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
EQUIV
CKT
MENU
to
display
the
equivalent
circuit
menu.
2.
Choose
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SELECT
CKT
[
]
to
display
the
equivalent
circuit
models
.
3.
Select
one
of
the
following:
Type
of
DUT
Softkey
Coils
with
high
core
loss
NNNNNNNNNNNNNNNNN
CKT
A
Coils
in
general
/
Resistors
NNNNN
B
High-value
resistors
NNNNN
C
Capacitors
NNNNN
D
Resonators
NNNNN
E
4.
Choose
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
CALCULATE
EQV
PARAM
to
calculate
the
equivalent
circuit
parameters
.
After
a
beep
,
the
calculated
equivalent
parameters
are
displayed
on
the
screen.
T
o
hide
the
equivalent
parameters
,
press
4
Displa
y
5
and
choose
NNNNNNNNNNNNNN
MORE
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
EQUIV
CKT
MENU
.
Then
toggle
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DISP
EQV
PARM
[ON]
to
NNNNNNNNNNNNNNNNN
[OFF]
.
Y
ou
can
simulate
a
frequency
characteristic
trace
from
the
equivalent
circuit
parameters
obtained
and
compare
it
with
the
measured
trace
.
5.
Press
4
Displa
y
5
N
NNNNNNNNNNNNN
MORE
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
EQUIV
CKT
MENU
.
6.
Choose
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SIMULATE
F-CHRST
.
After
a
beep
,
the
simulated
trace
is
displayed.
The
simulated
trace
is
stored
in
the
memory
trace
.
T
o
turn
o
the
simulated
trace
,
press
4
Displa
y
5
and
choose
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DISPLAY
[
]
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DISPLAY:
DATA
.
Simulating
a
Trace
from
the
Equivalent
Circuit
P
arameters
.
Y
ou
can
also
simulate
the
frequency
characteristics
of
an
equivalent
circuit
by
entering
its
parameters
.
1.
Press
4
Displa
y
5
and
choose
NNNNNNNNNNNNNN
MORE
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
EQUIV
CKT
MENU
to
display
the
equivalent
circuit
menu.
2.
Choose
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SELECT
EQV
CKT
[
]
to
display
the
equivalent
circuit
models
.
3.
Select
the
equivalent
circuit
model.
Then
choose
N
NNNNNNNNNNNNNNNNNNN
RETURN
.
4.
Choose
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
DEFINE
EQV
PARAMS
.
5.
Enter
the
equivalent
circuit
parameter
value
for
the
activated
parameters
.
6.
Choose
NNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNNN
SIMULATE
F-CHRST
to
simulate
the
frequency
characteristics
.
After
a
beep
,
the
simulated
frequency
characteristics
are
displayed.
8-56
Analyzing
the
Measurement
Results
Summary of Contents for 4395A
Page 8: ......
Page 9: ......
Page 10: ......
Page 12: ......
Page 13: ......
Page 14: ......
Page 16: ......
Page 50: ......
Page 58: ...Power Requirements Figure 2 1 Power Cable Supplied 2 6 Installation Guide ...
Page 69: ...Connecting an Active Probe Figure 2 10 Connecting Test Fixture Installation Guide 2 17 ...
Page 72: ......
Page 93: ...Step 2 Setting Up the 4395A Quick Start Guide 3 21 ...
Page 130: ......
Page 144: ......
Page 154: ......
Page 251: ...Measuring Zero Span Figure 8 28 Marker Time Analyzing the Measurement Results 8 49 ...
Page 262: ......
Page 278: ......
Page 376: ......
Page 410: ...Markers Figure A 19 Bandwidth Search Example A 34 Basic Measurement Theory ...
Page 448: ......
Page 449: ...B Softkey Reference Softkey Reference B 1 ...
Page 462: ...4Bw Avg5 B 14 Softkey Reference ...
Page 528: ......
Page 532: ......
Page 560: ......