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Basic Operations for RF Devices Measurement
STEP 8. Measuring DUT and Analyzing Measurement Results
Executing Equivalent Circuit Analysis
The E4991A is provided with five types of equivalent circuit models that can be used to
calculate approximate values of equivalent circuit parameters from measurement data. The
approximate values of equivalent circuit parameters obtained by calculation can be used to
simulate the frequency characteristics on the display screen.
NOTE
The equivalent circuit analysis function can be used only when the sweep parameter is
frequency.
Table 3-12
Selection of equivalent circuit model
Equivalent circuit model
Calculating Approximate Values of Equivalent Circuit Parameters
In this section, a chip inductor is used to calculate the approximate value by using the setup
example of "(1) Frequency Characteristics of |Z|-Ls-Q" on page 46.
Step 1. Click
Figure 3-80
Step 1
96
DUT type
on the
Equivalent Circuit...
Inductors with high core
loss
Inductors and resistors
High-value resistors
Capacitors
Resonators
menu (Figure 3-80).
Utility
Chapter 3
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