Anritsu MS8911A User manual

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Model MS8911A
ISDBT Field Tester
MAINTENANCE MANUAL
P/N: 10580-00132
REVISION: A
PRINTED: NOVEMBER 2005
COPYRIGHT 2005 ANRITSU CO
490 JARVIS DRIVE
MORGAN HILL, CA 95037-2809

ISDBT Field Tester MS8911A MM i
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2. Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
3. Recommended Test Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
4. Performance Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Spectrum Analyzer Frequency Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Spectrum Analyzer Internal Reference Frequency Adjustment . . . . . . . . . . . . . . . . . . . . . . . . 4
Spectrum Analyzer SSB Phase Noise Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Spectrum Analyzer Spurious Response (Second Harmonic Distortion) . . . . . . . . . . . . . . . . . 7
Spectrum Analyzer Residual Spurious Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Spectrum Analyzer Displayed Average Noise Level (DANL) . . . . . . . . . . . . . . . . . . . . . . . . 10
Input Related Spurious (IRS) Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Spectrum Analyzer Resolution Bandwidth Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
Spectrum Analyzer Measurement Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Level Accuracy Verification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Noise Floor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Modulation Analysis Frequency Accuracy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Frequency Lock Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
1 dB Compression Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Phase Noise (2nd Step) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
5. Battery Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6. Battery Pack Removal and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
7. Opening the ISDBT Field Tester Case . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
8. Real Time Clock (RTC) Battery Removal and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
9. Main PCB Assembly Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
10. Spectrum Analyzer Module Assembly Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
11. LCD Assembly Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
12. LCD Backlight PCB Removal and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34
13. Keypad Membrane and PCB Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
14. Function Key Membrane and Switchpad Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
15. Accessories and Replaceable Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38
16. ANRITSU Customer Service Centers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Appendix 1 Test Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Test Records . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
Table of Contents

ISDBT Field Tester MS8911A MM 1
1. Introduction
This manual provides maintenance instructions for the ISDBT Field Tester Model MS8911A. It describes the product
and provides performance verification procedures, parts replacement procedures, and a replaceable parts list.
2. Description
The MS8911A is a synthesizer-based handheld spectrum analyzer and ISDBT Field Tester.

2 ISDBT Field Tester MS8911A MM
3. Recommended Test Equipment
The following test equipment is recommended for use in testing and maintaining the ISDBT Field Tester.
NOTE: Verify that the test equipment is operating properly before it is used.
Table 1. Recommended Test Equipment
Equipment Critical Specification Recommended Manufacturer/Model
Synthesizer Frequency: 2GHz to 20 GHz
with options 2A, 3, 4, 15A and 22
Anritsu Model MG3692A
Power Meter Power Range: –70 to +20 dBm Anritsu Dual Channel Model ML2438A
Power Meter Cable 1.5 Meter Anritsu Model ML2400A/20
Power Sensor Frequency: 10 MHz to 18 GHz,
–67 to +20 dB
Quantity: 2 each
Anritsu Model MA2442D
Frequency Reference Frequency: 10 MHz Absolute Time Corp., Model 300
Low Pass Filter Frequency: 50 MHz Anritsu Model 1030-96
Fixed Attenuator 10 dB Attenuation Weinschel Model 1-10
Power Splitter Frequency: DC to 18 GHz Weinschel Model 1870A
Adapter Impedance: DC to 18 GHz
N(m)-N(m), 50 Ohm
Anritsu Model 34NN50A
50 Ohm Adapter Frequency: DC to 20 GHz
K(m)-N(f), 50 Ohm
Anritsu Model 34RKNF50
50 Ohm Termination Frequency: DC to 18 GHz Anritsu Model 28N50-2
RF Coaxial Cable Frequency: DC to 6.0 GHz
N(m)-N(m), 50 Ohm
Anritsu Model 15NN50-1.5C
Coaxial Cable BNC Male to Male 60 Inch, 50 Ohm Pasternack Enterprises Model PE3067-60
Modulation Signal Generator Frequency: 100 kHz to 3 GHz
With options
MU368040A, MU368010A
MU368030A, MX368012A,
MX368031A, MX368033A,
MX368041A, MX368041A,
B55-257
Anritsu Model MG3681A
Power Sensor Frequency: 10 MHz to 18 GHz
Power Range: -60 to +20 dBm
Quantity: 2 each
Anritsu Model MA2482D
Programmable Attenuator Frequency: DC to 2 GHz
Attenuation:
100 dB (in 1 and 10 dB step)
Anritsu Model MN63A
Coupler Frequency Range: 800 to 2400 MHz
Nominal Coupling Factor: 30 dB
Anritsu part number 1091-307
Isolator Frequency Range: 800 to 1000 MHz
Isolation: 30 dB
Anritsu part number 1000-51 or Alcatel
Model 9C34-41
High Power Load DC to 18 GHz, 10W Aeroflex/Weinschel Model 1418
Attenuator Frequency Range: DC to 18 GHz
Attenuation: 10 dB
Quantity: 2 each
Aeroflex/Weinschel Model 44-10
RF Power Amplifier Frequency: 100 to 1000 MHz,
Gain: 19 dB min.
Mini Circuits Model TIA-1000-4
GPS Antenna Magnet-mount with 15 foot cable Anritsu Model 2000-1410
Digital Broadcast Signal
Generator
250 kHz to 3 GHz
With option MU894010A
Anritsu Signal Generator MG8940A with
ISDB-T

ISDBT Field Tester MS8911A MM 3
4. Performance Verification
The sections that are listed below contain tests that can be used to verify the performance of the ISDBT Field Tester
Model MS8911A.
A sample performance verification test record is provided on page 41.
Spectrum Analyzer Frequency Accuracy
The following test can be used to verify the CW frequency accuracy of the ISDBT Field Tester Spectrum Analyzer.
Equipment Required:
• Anritsu MG3692A Synthesized Signal Source with options 2A, 3, 4, 15A and 22 or equivalent
• 10 MHz Reference Standard
• Anritsu 34RKNF50 50 Ohm adapter or equivalent
• Anritsu ISDBT Field Tester External Power Supply (part number 40-168)
• Anritsu 15NN50-1.5C RF Coaxial Cable or equivalent
• BNC male to BNC male coaxial cable
Procedure:
1. Connect the 10 MHz reference source to the Anritsu MG3692A Synthesized Signal Source and to the ISDBT
Field Tester.
2. Connect the output of the source to the RF Input of the ISDBT Field Tester.
3. Connect the external power supply (Anritsu part number 40-168) to the ISDBT Field Tester.
4. Press and hold the On/Off key to turn on the ISDBT Field Tester.
5. Press the Shift key, the Preset key (1), and then the Preset soft key to reset the instrument to the default start-
ing conditions.
6. Turn on the 10 MHz Reference Standard and the Anritsu MG3692A Synthesized Signal Source.
7. Set the MG3692A output to 1 GHz CW, with an RF output level of –30 dBm.
8. Press the Amplitude key, then press the Reference Level soft key.
9. Use the keypad to enter –10 and select the dBm soft key.
10. Press the Freq key and select the Center Freq soft key.
11. Use the keypad to enter 1and select the GHz soft key.
12. Press the Span key, use the keypad to enter 10, and select the kHz soft key.
13. Press the BW key and select the RBW soft key.
14. Use the keypad to enter 100 and select the Hz soft key.
15. Press the VBW soft key and use the keypad to enter 30, then select the Hz soft key.
16. Press the Marker key, and select the Peak Search soft key.
17. Verify that the marker frequency is 1 GHz, ±1 kHz and record in the test records on page 42, Spectrum Analyzer
Frequency Accuracy.
18. Repeat Steps 7 through 16 for 7 GHz.
19. Verify that the marker frequency is 7 GHz ±7 kHz and record in the test records on page 42, Spectrum Analyzer
Frequency Accuracy.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
NOTE: If the unit fails the Spectrum Analyzer Frequency Accuracy test, perform the Spectrum Analyzer Internal
Reference Frequency Adjustment procedure page 4. If the unit still fails the Frequency Accuracy test after the
Internal Reference Frequency adjustment has been completed, replace the PCB assembly.

4 ISDBT Field Tester MS8911A MM
Spectrum Analyzer Internal Reference Frequency Adjustment
Use this procedure to adjust the frequency if the unit fails the Spectrum Analyzer Frequency Accuracy verification test
on page 3.
Equipment Required:
• Anritsu MG3692A Synthesized Signal Source with options 2A, 3, 4, 15A and 22 or equivalent
• 10 MHz Reference Standard
• Anritsu ISDBT Field Tester External Power Supply (part number 40-168)
• Anritsu 34RKNF50 50 Ohm adapter or equivalent
• Anritsu 15NN50-1.5C RF Coaxial Cable or equivalent
• BNC male to BNC male coaxial cable
Procedure:
1. Connect the 10 MHz reference source to the Anritsu MG3692A Synthesized Signal Source.
2. Connect the output of the source to the RF Input of the ISDBT Field Tester.
3. Connect the external power supply (Anritsu part number 40-168) to the ISDBT Field Tester.
4. Press the On/Off key to turn on the ISDBT Field Tester.
5. Press the Shift key, the Preset key (1), and then the Preset soft key to reset the instrument to the default start-
ing conditions.
6. Turn on the 10 MHz reference source and the Anritsu MG3692A Synthesized Signal Source.
7. Set the MG3692A output to 7 GHz with an RF output level of –30 dBm.
8. Press the Amplitude key, then press the Reference Level soft key.
9. Use the keypad to enter –10 and select the dBm soft key.
10. Press the Atten Lvl soft key, use the keypad to enter 0 and press the dB soft key.
11. Press the Freq key and select the Center Freq soft key.
12. Use the keypad to enter 7 and select the GHz soft key.
13. Press the Span key, use the keypad to enter 10, and select the kHz soft key.
14. Press the BW key and select the RBW soft key.
15. Use the keypad to enter 100 and select the Hz soft key.
16. Press the VBW soft key and use the keypad to enter 30, then select the Hz soft key.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.

ISDBT Field Tester MS8911A MM 5
17. Press and hold the Shift key and press the 4, 6, and 8(from top) soft keys together to enter into the ISDBT
Field Tester Service Mode (Figure 1).
18. Press the Service Menu soft key, then the APP Service soft key.
19. Press the Calibration soft key, then the 10 MHz TXCO soft key.
20. Use the Up/Down arrow keys or the rotary knob to slowly adjust the displayed signal to the center of the dis-
play. Allow the signal to stabilize between adjustments, and repeat as necessary.
21. Turn the ISDBT Field Tester off, and then back on to exit Service Mode.
Figure 1. MS8911A ISDBT Field Tester Service Key Sequence

6 ISDBT Field Tester MS8911A MM
Spectrum Analyzer SSB Phase Noise Verification
This test can be used to verify the single side band phase noise of the ISDBT Field Tester.
Equipment Required:
• Anritsu MG3692A Synthesized Signal Source with options 2A, 3, 4, 15A and 22 or equivalent
• Anritsu ISDBT Field Tester External Power Supply (part number 40-168)
• 10 MHz Reference Standard
• Anritsu 34RKNF50 50 Ohm adapter or equivalent
• Anritsu 15NN50-1.5C RF Coaxial Cable or equivalent
Procedure:
1. Connect the 10 MHz reference source to the Anritsu MG3692A Synthesized Signal Source.
2. Connect the output of the MG3692A Synthesized Signal Source to the RF In connector of the ISDBT Field
Tester.
3. Connect the external power supply (Anritsu part number 40-168) to the ISDBT Field Tester.
4. Press the On/Off key to turn on the ISDBT Field Tester.
5. Press the Shift key, the Preset key (1), and then the Preset soft key to reset to the default starting conditions.
6. Turn on the 10 MHz reference source and the Anritsu MG3692A Synthesized Signal Source.
7. Set the MG3692A output to 7.09 GHz CW, with an RF output level of +13 dBm.
8. Press the Amplitude key, then press the Reference Level soft key.
9. Use the keypad to enter 0 and select the dBm soft key.
10. Press the Atten Lvl soft key, use the keypad to enter 15 and press the dB soft key.
11. Press the Freq key and select the Center Freq soft key.
12. Use the keypad to enter 7.090050 and press the GHz soft key.
13. Press the Span key, use the keypad to enter 110, and select the kHz soft key.
14. Press the BW key and select the RBW soft key.
15. Use the keypad to enter 1 and select the kHz soft key.
16. Press the VBW soft key and use the keypad to enter 3, then select the Hz soft key.
17. Press the Shift key and then press the Trace (5) key.
18. Press the # of Average soft key, use the keypad to enter 7, then press the Enter key.
19. Wait until the Trace Count displays 7/7.
20. Press the Marker key and select the Peak Search soft key.
21. Press the Delta On/Off soft key to turn Delta on.
22. Use the keypad to enter 10 and press the kHz soft key.
23. Subtract 30 dB from the average value and verify that the result is –100 dBc/Hz (For example: –45 dBc mea-
sured –30 dB ≤–100 dBc/Hz). Record in the test records on page 42, Spectrum Analyzer SSB Phase Noise Ver-
ification.
24. Repeat Steps 15 through 23 for 20 kHz, 30 kHz and 100 kHz.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
NOTE: The measured value is converted to dBc/Hz using the following formula:
dBc | Hz = – |measured dBc|– [10log (RBW/1Hz)]
A
t 1 kHz RBW, 10 log(RBW/1Hz) = 30, so dBc | Hz = – |measured dBc|– 30

ISDBT Field Tester MS8911A MM 7
Spectrum Analyzer Spurious Response (Second Harmonic Distortion)
The following test can be used to verify the input related spurious response of the ISDBT Field Tester.
Equipment Required:
• Anritsu MG3692A Synthesized Signal Source with options 2A, 3, 4, 15A and 22 or equivalent
• Anritsu ISDBT Field Tester External Power Supply (part number 40-168)
• 10 MHz Reference Standard
• Anritsu 34RKNF50 50 Ohm adapter or equivalent
• Anritsu 15NN50-1.5C RF Coaxial Cable or equivalent
• 50 MHz Low Pass Filter (Anritsu part number 1030-96)
• BNC male to BNC male coaxial cable
Procedure:
1. Connect the 10 MHz reference source to the Anritsu MG3692A Synthesized Signal Source.
2. Connect one end of the 50 MHz Low Pass Filter to the output of the source and the other end to the ISDBT Field
Tester RF Input with the coaxial cable.
3. Connect the external power supply (Anritsu part number 40-168) to the ISDBT Field Tester.
4. Press the On/Off key to turn on the ISDBT Field Tester.
5. Press the Shift key, the Preset key (1), and then the Preset soft key to reset the instrument to the default start-
ing conditions.
6. Turn on the 10 MHz reference source and the Anritsu MG3692A Synthesized Signal Source.
7. Set the MG3692A output to 50.1 MHz CW, with an RF output level of –30 dBm.
8. Press the Amplitude key, then press the Reference Level soft key.
9. Use the keypad to enter –27 and press the dBm soft key.
10. Press the Atten Lvl soft key and enter 0, then press the dB soft key.
11. Press the Span key, use the keypad to enter 100, and select the kHz soft key.
12. Press the Shift key and then press the Trace (5) key.
13. Press the Detection soft key, and then the Peak soft key.
14. Press the BW key and select the RBW soft key.
15. Use the keypad to enter 1 and select the kHz soft key.
16. Press the VBW soft key and use the keypad to enter 10, then select the Hz soft key.
17. Press the Freq key and select the Center Freq soft key.
18. Use the keypad to enter 50.0 and press the MHz soft key.
19. Press the Shift key and then press the Trace (5) key.
20. Press the # of Average soft key, use the keypad to enter 5, then press the Enter key.
21. Wait until the Trace Count displays 5/5.
22. Press the Marker key and select the Peak Search soft key.
23. Record the amplitude for 50.1 MHz in the test records on page 42, Spectrum Analyzer Spurious Response (Sec-
ond Harmonic Distortion).
24. Press the Freq key and select the Center Freq soft key.
25. Use the keypad to enter 100.2 and press the MHz soft key.
26. Press the Shift key and then press the Trace (5) key.
27. Press the # of Average soft key, use the keypad to enter 5, then press the Enter key.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.

8 ISDBT Field Tester MS8911A MM
28. Wait until the Trace Count displays 5/5.
29. Press the Marker key and select the Peak Search soft key.
30. Record the amplitude for 100.2 MHz in the test records on page 42, Spectrum Analyzer Spurious Response
(Second Harmonic Distortion).
31. Convert this measured value to dB using the following formula:
Amplitude @50.1 MHz – amplitude @100.2 MHz =______ dBc = Second Harmonic Level @ 100.2 MHz.
32. Verify that the converted Second Harmonic Level is –50 dBc or better and record in the test records on page 42,
Spectrum Analyzer Spurious Response (Second Harmonic Distortion).
Spectrum Analyzer Residual Spurious Response
The following test can be used to verify the residual spurious response of the ISDBT Field Tester. This test is performed
using the positive peak detection mode. There are two parts to this test:
• Residual Spurious Test with Preamp Off
• Residual Spurious Test with Preamp On
Residual Spurious Test with Preamp Off
Equipment Required:
• Anritsu 28N50-2 50 Ohm Termination or equivalent
• Anritsu ISDBT Field Tester External Power Supply (part number 40-168)
Procedure:
1. Connect the 50 Ohm termination to the ISDBT Field Tester RF Input.
2. Connect the external power supply (Anritsu part number 40-168) to the ISDBT Field Tester.
3. Press the On/Off key to turn on the ISDBT Field Tester.
4. Press the Shift key, the Preset (1) key, and then the Preset soft key to reset the instrument to the default start-
ing conditions.
5. Press the Amplitude key, then press the Reference Level soft key.
6. Use the keypad to enter –40 and press the dBm soft key.
7. Press the Atten Lvl soft key and enter 0, then press the dB soft key.
8. Make sure that the Pre Amp On/Off soft key is in the Off position. If the preamp is on, press the Pre Amp On/
Off soft key to turn it off.
9. Press the Shift key and then press the Trace (5) key, then select the Detection and then the Peak soft keys.
10. Press the Freq key and select the Start Freq soft key.
11. Use the keypad to enter 100 and select the kHz soft key.
12. Press the Stop Freq soft key, enter 10 and press the MHz soft key.
13. Press the BW key and select the RBW soft key.
14. Use the keypad to enter 3 and select the kHz soft key.
15. Press the VBW soft key and use the keypad to enter 300, then select the Hz soft key.
16. Wait until one sweep is completed.
17. Press the Marker key and select the Peak Search soft key.
18. Record the Marker 1 amplitude reading and verify that it is ≤–90 dBm in the test records on page 43, Residual
Spurious Test with Preamp Off.
19. Repeat Steps 8 through 16 for the other settings.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
NOTE: If a spur with an amplitude larger than –90 dBm occurs, wait another full sweep and observe whether the spur
occurs at the same point on the second sweep. If the spur does not occur at the same point on the second sweep, then
the spur on the first sweep was not real.

ISDBT Field Tester MS8911A MM 9
Residual Spurious Test with Preamp On
Equipment Required:
• Anritsu 28N50-2 50 Ohm Termination or equivalent
• Anritsu ISDBT Field Tester External Power Supply (part number 40-168)
Procedure:
1. Connect the 50 Ohm termination to the ISDBT Field Tester RF Input.
2. Connect the external power supply (Anritsu part number 40-168) to the ISDBT Field Tester.
3. Press the On/Off key to turn on the ISDBT Field Tester.
4. Press the Shift key, the Preset (1) key, and then the Preset soft key to reset the instrument to the default start-
ing conditions.
5. Press the Amplitude key, then press the Reference Level soft key.
6. Use the keypad to enter –40 and press the dBm soft key.
7. Press the Atten Lvl soft key and enter 0, then press the dB soft key.
8. Make sure that the Pre Amp On/Off soft key is in the On position. If the preamp is off, press the Pre Amp On/
Off soft key to turn it on.
9. Press the Shift key and then press the Trace (5) key, then select the Detection and then the Peak soft keys.
10. Press the BW key and select the RBW soft key.
11. Use the keypad to enter 10 and select the kHz soft key.
12. Press the VBW soft key and use the keypad to enter 1, then select the kHz soft key.
13. Press the Freq key and select the Start Freq soft key.
14. Use the keypad to enter 100 and select the kHz soft key.
15. Press the Stop Freq soft key, enter 10 and press the MHz soft key.
16. Wait until one sweep is completed.
17. Press the Marker key and select the Peak Search soft key.
18. Record the Marker 1 amplitude reading and verify that it is ≤–100 dBm in the test records on page 43, Residual
Spurious Test with Preamp On.
19. Repeat Steps 11 through 18 for the other Start and Stop frequencies.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
NOTE: If a spur with an amplitude larger than –100 dBm occurs, wait another full sweep and observe whether the spur
occurs at the same point on the second sweep. If the spur does not occur at the same point on the second sweep, then
the spur on the first sweep was not real.

10 ISDBT Field Tester MS8911A MM
Spectrum Analyzer Displayed Average Noise Level (DANL)
The following test can be used to verify the Displayed Average Noise Level of the ISDBT Field Tester. This test is per-
formed using the RMS detection mode.
Equipment Required:
• Anritsu ISDBT Field Tester External Power Supply (part number 40-168)
• Anritsu 28N50-2 50 Ohm Termination or equivalent
Procedure:
1. Connect the 50 Ohm termination to the ISDBT Field Tester RF Input.
2. Connect the external power supply (Anritsu part number 40-168) to the ISDBT Field Tester.
3. Press the On/Off key to turn on the ISDBT Field Tester.
4. Press the Shift key, the Preset (1) key, and then the Preset soft key to reset the instrument to the default start-
ing conditions.
5. Press the Amplitude key, then press the Reference Level soft key.
6. Use the keypad to enter –70 and press the dBm soft key.
7. Press the Atten Lvl soft key and enter 0, then press the dB soft key.
8. Make sure that the Pre Amp On/Off key is in the On position. If the preamp is off, press the Pre Amp On/Off
soft key to turn it on.
9. Press the Shift key and then press the Trace (5) key, then select the Detection and then the RMS soft keys.
10. Press the Freq key and select the Start Freq soft key.
11. Use the keypad to enter 10 and select the MHz soft key.
12. Press the Stop Freq soft key, enter 1 and press the GHz soft key.
13. Wait until one sweep is completed.
14. Press the Marker key and the More soft key.
15. Select the Marker Noise soft key to turn it on.
16. Use the rotary knob to move the marker to the noise floor and record the Marker reading in the test records on
page 44, Spectrum Analyzer DANL.
17. Verify that the recorded value is ≤–161. The Max DANL (dBm/10 Hz) specification has been adjusted to (dBm/
Hz).
18. Repeat Steps 10 through 17 for the other frequency settings.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.
NOTE: The noise floor consists of totally random signals where a spur is a fixed spike of varying amplitude that is always
visible.

ISDBT Field Tester MS8911A MM 11
Input Related Spurious (IRS) Signals
The following test can be used to verify the input related spurious signals of the ISDBT Field Tester at different frequen-
cies.
Equipment Required:
• Anritsu MG3692A Synthesized Signal Source with options 2A, 3, 4, 15A and 22 or equivalent
• Anritsu ISDBT Field Tester External Power Supply (part number 40-168)
• 10 MHz Reference Standard
• Anritsu 34RKNF50 50 Ohm adapter or equivalent
• Anritsu 15NN50-1.5C RF Coaxial Cable or equivalent
• BNC male to BNC male coaxial cable
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 ISDBT Field Tester RF In.
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 ISDBT Field Tester.
5. Press the Shift key, the Preset (1) key, and then the Preset soft key to reset the instrument to the default start-
ing conditions.
Amplitude Reading at 1674 MHz:
6. Press the Amplitude key, then press the Reference Level soft key.
7. Use the keypad to enter –27 and press the dBm soft key.
8. Press the Atten Lvl soft key and enter 0, then press the dB soft key.
9. Press the Shift key and then press the Trace (5) key, then select the Detection and then the Peak soft key.
10. Press the Freq key and select the Center Freq soft key.
11. Use the keypad to enter 1674 and select the MHz soft key.
12. Press the Span key, use the keypad to enter 2, and select the MHz soft key.
13. Press the BW key and select the RBW soft key.
14. Use the keypad to enter 10 and select the kHz soft key.
15. Press the VBW soft key and use the keypad to enter 1, then select the kHz soft key.
16. Wait until one sweep is completed.
17. Press the Marker key and select the Peak Search soft key.
18. Record the Marker 1 amplitude reading for 1674 MHz in the test records on page 44, Amplitude Reading at
1674 MHz.
19. Press the Freq key and select the Start Freq soft key.
20. Use the keypad to enter 100 and select the kHz soft key.
21. Press Stop Freq soft key, enter 1673 and press the MHz soft key.
22. Press the Marker key and select the Peak Search soft key.
23. Record the Marker 1 amplitude reading in the test records on page 44, Amplitude Reading at 1674 MHz.
24. Calculate the input related spurious level and verify that it is –46 dBm:
(Input Related Spurious = Marker 1 reading – amplitude reading for 1674 MHz).
25. Repeat Steps 19 through 23, setting a start frequency of 1675 MHz and a stop frequency of 2800 MHz.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.

12 ISDBT Field Tester MS8911A MM
Amplitude Reading at 1701 MHz:
26. Set the MG3692A output to 1701 MHz, with an RF output level of –30 dBm.
27. On the ISDBT Field Tester, press the Amplitude key, then press the Reference Level soft key.
28. Use the keypad to enter –27 and press the dBm soft key.
29. Press the Freq key and select the Center Freq soft key.
30. Use the keypad to enter 1701 and select the MHz soft key.
31. Press the Span key, use the keypad to enter 2, and select the MHz soft key.
32. Press the Span key and then press the Trace (5) key.
33. Press the # of Average soft key, use the keypad to enter 5, then press the Enter key.
34. Wait until the Trace Count displays 5/5.
35. Press the Marker key and select the Peak Search soft key.
36. Record the amplitude at 1701 MHz in the test records on page 44, Amplitude Reading at 1701 MHz.
37. Press the Freq key and select the Start Freq soft key.
38. Use the keypad to enter 26 and select the MHz soft key.
39. Press Stop Freq soft key, enter 28 and press the MHz soft key.
40. Press the Shift key and then press the Trace (5) key.
41. Press the # of Average soft key, use the keypad to enter 5, then press the Enter key.
42. Wait until the Trace Count displays 5/5.
43. Press the Marker key and select the Peak Search soft key.
44. Record the Marker 1 amplitude reading in the test records on page 44, Amplitude Reading at 1701 MHz.
45. Calculate the input related spurious level and verify that it is –50 dBm:
(Input Related Spurious = Marker 1 reading – amplitude reading for 1701 MHz).
Amplitude Reading at 2145 MHz:
46. Set the MG3692A output to 1701 MHz, with an RF output level of –30 dBm.
47. On the ISDBT Field Tester, press the Amplitude key, then press the Reference Level soft key.
48. Use the keypad to enter –27 and press the dBm soft key.
49. Press the Freq key and select the Center Freq soft key.
50. Use the keypad to enter 2145 and select the MHz soft key.
51. Press the Span key, use the keypad to enter 2, and select the MHz soft key.
52. Press the Shift key and then press the Trace (5) key.
53. Press the # of Average soft key, use the keypad to enter 5, then press the Enter key.
54. Wait until the Trace Count displays 5/5.
55. Press the Marker key and select the Peak Search soft key.
56. Record the amplitude at 2145 MHz in the test records on page 44, Amplitude Reading at 2145 MHz.
57. Press the Freq key and select the Start Freq soft key.
58. Use the keypad to enter 470 and select the MHz soft key.
59. Press Stop Freq soft key, enter 472 and press the MHz soft key.
60. Press the Shift key and then press the Trace (5) key.
61. Press the # of Average soft key, use the keypad to enter 5, then press the Enter key.
62. Wait until the Trace Count displays 5/5.
63. Press the Marker key and select the Peak Search soft key.
64. Record the Marker 1 amplitude reading in the test records on page 44, Amplitude Reading at 2145 MHz.
65. Calculate the input related spurious level and verify that it is –60 dBm:
(Input Related Spurious = Marker 1 reading – amplitude reading for 2145 MHz).

ISDBT Field Tester MS8911A MM 13
Spectrum Analyzer Resolution Bandwidth Accuracy
The following test can be used to verify the resolution bandwidth accuracy of the ISDBT Field Tester at different fre-
quencies.
Equipment Required:
• Anritsu MG3692A Synthesized Signal Source with options 2A, 3, 4, 15A and 22 or equivalent
• Anritsu ISDBT Field Tester External Power Supply (part number 40-168)
• 10 MHz Reference Standard
• Anritsu 34RKNF50 50 Ohm adapter or equivalent
• Anritsu 15NN50-1.5C RF Coaxial Cable or equivalent
• BNC male to BNC male coaxial cable
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 ISDBT Field Tester RF Input.
3. Connect the external power supply (Anritsu part number 40-168) to the ISDBT Field Tester.
4. Press the Shift key, the Preset (1) key, and then the Preset soft key to reset the instrument to the default start-
ing conditions.
5. Set the MG3692A output to 1 GHz, with an RF output level of –30 dBm.
6. Press the Amplitude key, then press the Reference Level soft key.
7. Use the keypad to enter –10 and press the dBm soft key.
8. Press the Atten Lvl soft key and enter 0, then press the dB soft key.
9. Press the Scale soft key and enter 10, then press dB/div soft key.
10. Press the Freq key and select the Center Freq soft key.
11. Use the keypad to enter 1 and select the GHz soft key.
RBW Test:
12. Press the Span key, use the keypad to enter the span in the test records on page 44,
Spectrum Analyzer Resolution Bandwidth Accuracy.
13. Press the BW key and select the RBW soft key.
14. Use the keypad to enter 3 and select the MHz soft key.
15. Set the VBW from the test records on page 44, Spectrum Analyzer Resolution Bandwidth Accuracy.
16. Press the Shift key then Measure (4) key, then press the OCC BW soft key.
17. Press the dBc soft key and enter 3, then press the Enter key.
18. Press the OCC BW On/Off soft key to turn on occupied bandwidth.
19. Record the OCC BW reading in the test records on page 44,
Spectrum Analyzer Resolution Bandwidth Accuracy.
20. Verify that the OCC BW reading frequency is 10% of the RBW.
21. Repeat Steps 12 through 20 for the other settings.
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.

14 ISDBT Field Tester MS8911A MM
Spectrum Analyzer Measurement Accuracy
The tests in this section verify the level accuracy of the ISDBT Field Tester Spectrum Analyzer. There are two parts to
this test:
• Spectrum Analyzer Level Accuracy Across Frequency
• Level Accuracy vs. Input Power Level Test
Spectrum Analyzer Level Accuracy Across Frequency
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 MA2442D High Accuracy Power Sensors or equivalent (2)
• Anritsu ML2400A/20 Power Meter Cable (2)
• Weinschel 1870A Power Splitter or equivalent
• Anritsu 34NN50A 50 Ohm adapter or equivalent
• Anritsu 34RKNF50 50 Ohm adapter or equivalent
• Anritsu 15NN50-1.5C RF Coaxial Cable or equivalent
• Weinschel 1-10 10 dB Fixed Attenuator
Test Setup Component Characterization:
1. Turn on the power meter and signal source.
2. On the power meter, press the Channel key, the Setup soft key and then the Channel soft key to display
Channel 2 setup menu. Press the Input key twice to set the Input Configuration to B. Press the Sensor key to
display 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).
.
Figure 2. Level Accuracy Across Frequency Test Pre-test Setup
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.

ISDBT Field Tester MS8911A MM 15
6. Set the MG3692A output to the frequency listed from the test records on page 45, Spectrum Analyzer Level
Accuracy Across Frequency starting with 50 MHz CW.
7. On the power meter, press the Sensor key, the Cal Factor soft key, and then the Freq soft key. Use the keypad
to enter the value matching the frequency of MG3692A as the input signal frequency, which sets the power
meter to the proper power sensor cal factor. Press the Sensor key on the power meter to display the power
reading.
8. Adjust the power level reading on sensor A to –2 dBm by adjusting the power level on the MG3692A.
9. Record the sensor B reading in column 2 in the test records on page 45, Measuring the Unit for Frequency Level
Accuracy.
10. Repeat Steps 6 through 9 for all the frequencies in column 1 in the test records on page 45, Measuring the Unit
for Frequency Level Accuracy.
11. Repeat Steps 6 through 10 for a power level of –30 dBm.
Measuring the Unit for Frequency Level Accuracy:
1. Remove sensor A, install the 34NN50A adapter to the end of the Attenuator, and connect to the MS8911A as
shown in Figure 3.
2. Connect the external power supply (Anritsu part number 40-168) to the ISDBT Field Tester.
3. Press the On/Off key to turn on the ISDBT Field Tester.
4. Press the Shift key, the Preset (1) key, and then the Preset soft key to reset the instrument to the default start-
ing conditions.
5. Press the Amplitude key, then press the Reference Level soft key.
6. Use the keypad to enter 10 and press the dBm soft key.
7. Press the Atten Lvl soft key and enter 60, then press the dB soft key.
8. Press the BW key and the RBW soft key.
NOTE: To maintain test setup integrity, do not disconnect sensor B, the power splitter or the fixed attenuator.
Figure 3. Level Accuracy Across Frequency Test Setup
NOTE: Before continuing, allow a 30-minute warm up for the internal circuitry to stabilize.