Chapter 2 161
Making Adjustments
27. Checking the Absolute Amplitude Accuracy for Option 051
Figure 2-39 Absolute Amplitude Accuracy Verification
Procedure
1. Zero and calibrate the measuring receiver and power sensor in log
mode as described in the measuring receiver operation manual.
Note that the absolute amplitude accuracy test should only be
performed if the ambient temperature is between 20 °C and 30 °C.
2. Connect the equipment as shown in Figure 2-39. Connect the power
splitter to the analyzer using an adapter.
3. Press instrument preset on the synthesized sweeper, then set the
controls as follows:
CW ................................................................. 810MHz
POWER LEVEL ....................................................−2dBm
4. Press
PRESET on the analyzer and wait for the preset to finish, then
press the following analyzer keys.
FREQUENCY, 810, MHz
SPAN, 400, kHz
BW, 100, kHz
VID BW AUTO MAN, 30, kHz
AMPLITUDE, 4, −dBm
ATTEN AUTO MAN, 10, dB
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