Anritsu Spectrum Master MS2721A Maintenance Manual page 25
Spectrum analyzer
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Also See for Spectrum Master MS2721A:
- Specifications (4 pages) ,
- Firmware update (4 pages) ,
- Programming manual (59 pages)
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Level Accuracy vs Input Power Level Test
d.
Equipment Required:
· Anritsu MG3692A Synthesized Signal Source with options 2A, 3, 4, 15A, and 22, or equivalent
· Anritsu ML2438A Dual Channel Power Meter or equivalent
· Anritsu MA2442A High Accuracy Power Sensor or equivalent (2)
· Anritsu ML2400A/20 Power Meter Cable (2)
· Weinschel 1870A Power Splitter or equivalent
· Anritsu 34NN50A 50 Ohm adapter or equivalent
· Anritsu 34RSN50 50 Ohm adapter or equivalent
· Anritsu 34RKNF50 50 Ohm adapter or equivalent
· Anritsu 15NNF50-1.5C RF Coaxial Cable or equivalent
· Weinschel 1-10 10 dB Fixed Attenuator
e.
Test Setup Components Characterization
1.
1. Turn on the power meter and signal source.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
2. On the power meter, press the
nel 2 setup menu. Press the
play both Sensor A and Sensor B readings.
3. Connect the power sensors to the power meter and calibrate the sensors.
4.
Connect the power splitter to the MG3692A output and Sensor B to one of the power splitter outputs.
5.
Install the 10 dB Fixed Attenuator to the other power splitter output and then connect Sensor A to the end of the
Attenuator (refer to Figure 2).
6. On the power meter, press the
to enter 50 MHz as the input signal frequency, which sets the power meter to the proper power sensor cal factor.
Press the
SENSOR
7.
Adjust the power level of the MG3692A to get a reading on Sensor A that matches the power level in column 1
of Table 8, starting with 0 dBm.
8.
Record the Sensor B reading in column 2 of Table 8.
9.
Repeat steps 7 and 8 for the other input levels in column 1 of Table 8.
10. Record the results in column 2 of Table 8.
Spectrum Master MM
key, the
Channel
key twice to set the Input Configuration to B. Press the
INPUT
key, the
Sensor
key on the power meter to display the power reading.
soft key and then the
Setup
soft key, and then the
Cal Factor
soft key to display Chan-
CHANNEL
key to dis-
Sensor
soft key. Use the keypad
FREQ
21
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