Performance Verification
Check Level Measurement
Uncertainty
This test check
s the level measurement uncertainty at three reference levels:
+10 dBm, 0 dB m, and –15 dBm. This check uses the generator to step frequencies
across four spans to verify that the instrument meets the specification.
For this check, you will need the following equipment, which is described in the
Required Equipment table. (See Table 15 on page 28.)
Generator, such as the Anritsu generator
Power meter
Power head
Power splitter
Adapters and cables as shown in the following figure.
WARNING. The generator is capable of providing dangerous voltages. Be sure to
set the generator to off or 0 volts before connecting, disconnecting, and/or moving
the tes
t hookup during the performance of this procedure.
NOTE. Use an SMA connector with the Anritsu generator. Equipment damage
will r
esult if an N connector is used.
1. Connect the equipment as shown in the following figure.
2. Initial oscilloscope setup:
a
.
P
ush the front-panel Default Setup button.
b. Turn Channel 1 off.
c. Push the front-panel RF buttontoturnontheRFchannel.
92 MDO4000 Series Specifications and Performance Verification
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