Chapter 3 — Options Verification 3-5 Option 881 WCDMA/HSDPA Signal Analyzer Verification
MS2720T MM PN: 10580-00342 Rev. D 3-17
WCDMA Occupied Bandwidth (OBW) Verification
The tests in this section can be used to verify the WCDMA occupied bandwidth in WCDMA/HSDPA Signal
Analyzer Mode.
Equipment Required for MS2720T with option 709, 713 or 720
• Anritsu MG3700A Vector Signal Generator
• Frequency Reference Symmetricom Rubisource T&M
• Power Meter, Anritsu Model ML2438A
• Power Sensor, Anritsu Model SC7400
• Power Splitter, Aeroflex/Weinschel Model 1870A
• Fixed Attenuator, Aeroflex/Weinschel Model 4410 (2)
• Anritsu 34NN50A 50 ohm Adapter (2)
• Anritsu 15NN50-1.5C RF Coaxial Cable
• BNC male to BNC male Coaxial Cable
Equipment Required for MS2720T with option 732 or 743
• All of the above, plus
• Anritsu 71693-R Ruggedized K(f) to N(f) Adapter
Setup
Figure 3-7. WCDMA Occupied Bandwidth, Test Setup
MS2720T Spectrum Master
Power
MS2720T
Spectrum Analyzer
SpectrumMaster
Charge
File
7
System
8
Shift
Esc
Mode
9
Meas
4
Trace
5
Limit
6
Preset
1
Cal
2
Sweep
3
0
.
+/-
Menu
Enter
MS2720T Spectrum Master
Function
Ethernet Control Input Modulation Input
Cursor/Edit
RF Output
3
MG3700
Vector Signal
Generator
250kHz-6GHz
ML2438A Power Meter
Sensor
1870A
Power Splitter
34NN50A
Adapter
34NN50A Adapter
10 dB
Attenuator
10 dB
Attenuator
10 MHz Reference
Oscillator Warmup
Oscillator Ready
Failure
1 PPS Sync
1 PPS OUT
1 MH z 5 MHz 1 0 MH
5 MHz 10 MHz
Sine wave Out AUX
1 PPS IN
Power
TESTIME
PLUS
R
RubiSource T&M
R
10 MHz
Sine Out
Ext Ref In
(back panel)
MG3700A Vector Signal Generator