Chapter 2 97
Making Adjustments
15. Frequency Response of the 8590L, 8591C, and 8591E
Procedure for System Characterization (75 Ω
input)
1. Zero and calibrate the measuring receiver and 1 MHz to 1.8 GHz
power sensor as described in the measuring receiver operation
manual.
2. Zero and calibrate the power meter and the 75 Ω power sensor as
described in the power meter operation manual.
3. Press INSTRUMENT PRESET on the synthesized sweeper. Set the
synthesized sweeper controls as follows:
CW .................................................................. 41MHz
FREQ STEP ................................................... 37MHz
POWER LEVEL ............................................... 5dBm
4. Connect the equipment as shown in Figure 2-27.
Figure 2-27 System Characterization Test Setup for 75 Ω inputs
CAUTION Use only 75 Ω cables, connectors, or adapters on instruments equipped
with 75 Ω inputs or damage to the input connectors will occur.
5. Adjust the synthesized sweeper POWER LEVEL for a 0 dBm
reading on the measuring receiver.
6. Record the power meter reading in Column 4 of Table 2-6, taking
into account the cal factors of both power sensors.
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