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(2) Frequency Characteristics of |Z|-R-X
You should first change the measurement conditions from the initial state of the E4991A as
shown in Table 3-4.
Table 3-4
Parameter setting
Measurement
parameters
Display formats
Measurement points
Sweep parameter
Sweep type
Source mode
Oscillator level
Sweep range (frequency)
Presetting the E4991A
Preset the E4991A to the initial state by referring to the procedure described in "Presetting
the E4991A" on page 46.
Setting the Measurement Parameters and Display Formats
Step 1. Click
on the
Display...
Step 2. Select
in the
3 Scalar
Step 3. Click
Meas/Format...
Step 4. Specify Trace 1 as the active trace (* mark) as shown in Figure 3-9 and Figure 3-10.
Step 5.
box is set to
Meas Parameter
Step 6. Select
in the
Log Y-Axis
Step 7. Specify Trace 2 as the active trace (* mark) has shown in Figure 3-9 and Figure 3-10.
Step 8. Select
in the
R
Meas Parameter
Chapter 3
Basic Operations for RF Devices Measurement
STEP 2. Setting Measurement Conditions
Setup example for this measurement
Setup example
Trace 1
|Z|
Trace 2
R
Trace 3
X
Trace 1
Log
Trace 2
Log
Trace 3
Linear
201 points
Frequency
Linear
Current
1 mA
1.5 GHz to 2.5 GHz
menu (Figure 3-6).
Display
box (Figure 3-7).
Num Of Traces
on the
menu (Figure 3-8).
Meas/Format
in the initial state.
|Z|
box (Figure 3-11).
Format
box as shown in Figure 3-12.
Initial state
|Z|
θz
Q
Linear
Linear
Linear
201 points
Frequency
Linear
Voltage
100 mV (2 mA)
1 MHz to 3 GHz
53
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