Input Related Spurious Signals - Anritsu Spectrum Master MS2721A Maintenance Manual
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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Frequency
10 MHz to 1.0 GHz
1 GHz to 2.2 GHz
2.2 GHz to 2.8 GHz
2.8 GHz to 4.0 GHz
4.0 GHz to 7.1 GHz
Table 4. Display Average Noise Level (DANL)
2.7. Input Related Spurious Signals
The following test can be used to verify the input related spurious signals of the Spectrum Master at different frequen-
cies.
a.
Equipment Required:
· Anritsu MG3692A Synthesized Signal Source with options 2A, 3, 4 and 15, or equivalent
· Anritsu Spectrum Master External Power Supply (Anritsu part number 40-168)
· 10 MHz Reference Standard
· Anritsu 34RSN50 50 Ohm adapter or equivalent
· Anritsu 15NNF50-1.5C RF Coaxial Cable or equivalent
· BNC male to BNC male coaxial cable
b.
Procedure:
1. Connect the 10 MHz reference source to the Anritsu MG3692A Synthesized Signal Source.
2. Connect the output of the Anritsu MG3692A Synthesized Signal Source to the Spectrum Master
3.
Set the MG3692A output to 1674 MHz, with an RF output level of –30 dBm.
4.
Connect the external power supply (Anritsu part number 40-168) to the Spectrum Master.
5.
Press the
Shift
conditions.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
Checking Input Spurs Related to 1674 MHz
6.
Press the
Amplitude
7.
Use the keypad to enter –27 and press the
8. Press the
Atten Lvl
9.
Press the
Shift
10. Press the
Freq
11. Use the keypad to enter 1674 and select the
12. Press the
Span
13. Press the
BW
14. Use the keypad to enter 10 and select the
15. Press the
VBW
16. Wait until one sweep is completed.
17. Press the
Marker
12
Measured Value @ 100 kHz
RBW (dBm)
key, the
(1) key, and then the
Preset
key and select the
Reference Level
soft key and enter 0, then press the
key and then press the
Sweep
key and select the
Center Freq
key, use the keypad to enter 2, and select the
key and select the
soft key.
RBW
soft key and use the keypad to enter 1, then select the
key and select the
Peak Search
Normalized Value for 10 Hz
RBW (dBm)
soft key to reset the instrument to the default starting
Preset
soft key.
soft key.
dBm
soft key.
dB
(3) key, then select the
soft key.
soft key.
MHz
soft key.
MHz
soft key.
kHz
soft key.
Max DANL in 10
Hz RBW (dBm)
–151
–149
–143
–149
–144
and then the
Detection
Peak
soft key.
kHz
Spectrum Master MM
.
RF In
soft key.
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