3-4 ISDB-T Signal Analyzer (Option 30) Verification Performance Verification 2
3-6 PN: 10580-00177 Rev. D MS2721B MM
Frequency Accuracy and Residual MER Verification
The test in this section is used to verify the frequency accuracy of the MS2721B in ISDB-T Signal Analyzer
mode.
Required Equipment:
• Anritsu MG3700A Vector Signal Generator
• Frequency Reference Symmetricom Rubisource T&M
• RF Coaxial Cable, Anritsu Model 15NN50-1.5C
• Spectrum Master Model MS2721B
Procedure:
1. Connect the 10 MHz Frequency Reference source to the Anritsu MG3700A and MS2721B as shown in
Figure 3-3.
2. On the MG3700A, press the yellow Preset key located on the upper-left side of the instrument.
3. Press the Down Arrow key to select Yes.
4. Press the Set key (Note that two Set keys are available, and they both do the same thing).
5. Press the F1 soft key to select Load File to Memory.
6. Press the F1 soft key again to select Select Package.
7. Using the Down Arrow key, step through the selection list until the Digital_Broadcast option is
highlighted.
8. Press the Set key.
Figure 3-3. ISDB-T Option 30 — Signal Analyzer Verification Test Setup
Function
Ethernet Control Input Modulation Input
Cursor/Edit
RF Output
3
MG3700
Vector Signal
Generator
250kHz-6GHz
15NN50-1.5C
10 MHz Reference
(to back panel)
MS2721B
MG3700A
10 MHz Out