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- Page 1 MS2711B Hand Held Spectrum Analyzer MAINTENANCE MANUAL Hand-Held Spectrum Analyzer for Measuring, Monitoring and Analyzing Signal Environments 490 JARVIS DRIVE · MORGAN HILL, CA 95037-2809 P/N: 10580-00072 REVISION A PRINTED: MAY 2002 COPYRIGHT 2002 ANRITSU CO.
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Page 3: Table Of Contents
14. REPLACEABLE PARTS........27 MS2711B HHSA MM... -
Page 5: Introduction
INTRODUCTION OPTIONS This manual provides maintenance instructions for The following options are available for the MS2711B: the MS2711B Spectrum Analyzer. It describes the · Option 5 — RF Wattmeter Power Monitor (RF product and provides performance verification proce- detector not included) dures, parts replacement procedures, and a replace- ·... -
Page 6: Performance Verification Procedures
50. The following procedures can be used to verify the Press the soft key to set the span to performance of the MS2711B Spectrum Analyzer 50 kHz. having firmware version 2.09 or later. BW/SWEEP 12. Press the key. -
Page 7: Phase Noise Verification
Phase Noise Verification Input of the Spectrum Analyzer. 3. Connect the external power supply a. Equipment Required: (Anritsu part number 40-115) to the Spec- trum Analyzer. · Anritsu MG3692A Synthesized Signal Source with options 2A, 4 and 15A, or ESCAPE/CLEAR 4. -
Page 8: Second Harmonic Distortion Test
(Anritsu part number 40-115) to the Site ing the following formula: Master. - 10 dBc Hz measured dBc 4. On the MS2711B, press and hold the At 10 kHz RBW, , so CAPE/CLEAR ON/OFF key, then press the - 40. -
Page 9: Residual Spurious Response Test
Spectrum Analyzer. 11. Enter 40 and press the soft key to set a. Equipment Required: the center frequency to 40 MHz. · Anritsu 28N50-2 or SM/PL 50 ohm Ter- SPAN 12. Press the soft key and enter mination or equivalent... -
Page 10: Resolution Bandwidth Accuracy Test
20. Press the soft key and enter then press the soft key to set the stop · Anritsu 34RSN50 50 ohm adapter or frequency to 1000 MHz. equivalent 21. Wait until one full sweep is complete. · Anritsu 15NNF50-1.5C RF Coaxial Cable... - Page 11 36 kHz then the soft key. 10 kHz 6.5 kHz 13.5 kHz MEASURE ON/OFF 21. Press the soft key and read the Meas Occ BW value. The Meas Occ BW value should be ± 20% of the RBW. MS2711B HHSA MM...
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Page 12: Level Accuracy Test
· Anritsu N241A50 Power Splitter or MAN- 7. Press the soft key and then the equivalent soft key. Use the Up/down arrow key · Anritsu 34NN50A 50 ohm adapter or 10 kHz ENTER to select . Press to set the equivalent resolution bandwidth to 10 kHz. -
Page 13: Displayed Average Noise Level
–50 –40 average noise level of the Spectrum Analyzer. 1500 –10 a. Equipment Required: –30 –20 –50 –40 · Anritsu 28N50-2 or SM/PL 50 ohm Ter- 2000 mination or equivalent –10 –30 –20 b. Procedure: –50 –40 2500 1. Connect the 50 ohm termination to the –10... -
Page 14: Dynamic Range Test
· Anritsu N241A50 Power Splitter or soft key. equivalent 25. Enter and press the soft key to set · Anritsu 34NN50A 50 ohm adapter or the start frequency to 4 MHz. equivalent STOP 1000, 26. Press the soft key and enter ·... -
Page 15: Power Monitor (Option 5) Verification
3. Connect the RF Detector output to the RF 500 MHz. Detector input of the MS2711B Spectrum Analyzer. AMPLITUDE 8. Press the key and then the REF LEVEL soft key. -
Page 16: Preamplifier (Option 8) Verification
MARKER TO PEAK 17. Press the soft key. Re- cord the M1 amplitude reading and verify a. Equipment Required: it is £ –115 dBm. · Anritsu 28N50-2 or SM/PL 50 ohm Ter- BW/SWEEP 18. Press the key. mination or equivalent MAN- 19. -
Page 17: Level Accuracy Test
· Anritsu N241A50 Power Splitter or 8. Enter the proper input signal frequency equivalent into the power meter and record the mea- · Anritsu 34NN50A 50 ohm adapter or sured value in Table 4. equivalent 9. Calculate the Attenuator Insertion Loss ·... - Page 18 –55 –60 12. Using the power splitter, coaxial cable, adapters and fixed attenuator, connect 2500 –50 –55 the MS2711B to the signal source and the –60 power sensor as shown in Figure 5. 2950 –50 –55 –60 * Required Power Meter Level = Desired Test Level +...
- Page 19 Required Power Me- ter Level column of Table 3 for –60 dBm MARKER 30. On the MS2711B, press the key, as indicated on the power meter. then the soft key.
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Page 20: Tracking Generator (Option 20) Verification
Frequency. This set up the Power Meter to use the proper Power Sensor Cal Fac- a. Equipment Required: tor. · Anritsu ML2430A Series Power Meter Sensor 15. Press the key to display the mea- · Anritsu MA2442A High Accuracy Power surement reading. -
Page 21: Tracking Generator Harmonics And Spurious Test
This sets the track- ing generator power output level to –10 a. Equipment Required: dBm. · Anritsu MS2665C Spectrum Analyzer or 28. On the power meter, verify that the read- equivalent ing is ± 1.5 dB maximum from the set ·... - Page 22 750 MHz. 16. Connect a RF cable between the RF Out connector of the MS2711B and the RF In- put connector of the MS2665C. 17. On the MS2665C, press the Amplitude key.
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Page 23: Frequency Offset Tracking Test
12. Connect an RF cable between the RF Out Tracking Generator. connector of the MS2711B and the RF In- put connector of the MS2665C. a. Equipment Required: 13. On the MS2665C, press the A, B key and ·... -
Page 24: Static Sensitive Assembly Handling
STATIC SENSITIVE ASSEMBLY HANDLING The MS2711B contains components that can be dam- aged by static electricity. Figures 6 through 8 illus- trate the precautions that should be followed when handling static-sensitive subassemblies and compo- nents. If followed, these precautions will minimize the possibilities of static-shock damage to these items. -
Page 25: Battery Pack Removal And Replacement
Procedures in this manual may apply to many similar instruments. Photos and illustrations used are representative and may show instru- ments other than the MS2711B Spectrum An- alyzer. With the Spectrum Analyzer standing up- right on a stable surface, locate the battery access door (Figure ). -
Page 26: Battery Information
NOTE 2000-1029). If the Battery Charging LED does not light, · Use only Anritsu approved battery packs. the battery may be to low to immediately start full charging. Leaving the unit connected to · Recharge the battery only in the instrument or AC power for several hours may bring the bat- in an Anritsu approved charger. -
Page 27: Front Panel Assembly Removal And Replacement
Carefully depress the latch tab and discon- nect the LCD display cable from J12 on the main PCB. Carefully disconnect the keypad interface ca- ble from J1 on the main PCB. Carefully disconnect the speaker cable from J23 on the main PCB. MS2711B HHSA MM... -
Page 28: Lcd Assembly Replacement
Remove the rubber cushion pad from the LCD assembly and remove the assembly. Reverse the above steps to install the re- placement assembly. Take care to position Reverse the above steps to install the re- the speaker and speaker cable properly. placement assembly. MS2711B HHSA MM... -
Page 29: Key Pad Membrane Replacement
MS2711B with Option 20 only, the PCB assembly in section 9. consists of two PCBs (Control and Spectrum Ana- lyzer). For an MS2711B with Option 5 or Option 8 installed, the assembly consists of three PCBs (Con- Remove the key pad PCB as directed in sec- tion 11. - Page 30 Remove the three .25” standoffs and four Phillips screws (Figure ) and remove the Spectrum Analyzer PCB. PCB MOUNTING SCREWS STANDOFFS Figure 22. Spectrum Analyzer PCB Reverse the above steps to install the new Control and Spectrum Analyzer PCBs. MS2711B HHSA MM...
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Page 31: Replaceable Parts
14. REPLACEABLE PARTS Replaceable parts for the Model MS2711B Spectrum Analyzer are listed below. Table 8. Replaceable Parts List Part Number Description Part Number Description Hardware Accessories 900-861 Pan Head Screw, 4-20, 0.365 User's Guide, MS2711B 10580-00074 Spectrum Analyzer 900-869 Screw, 4-40, 0.875... - Page 32 Table 9. Anritsu Service Centers UNITED STATES FRANCE SINGAPORE ANRITSU COMPANY ANRITSU S.A ANRITSU (SINGAPORE) PTE LTD 685 Jarvis Drive 9 Avenue du Quebec 10, Hoe Chiang Road Morgan Hill, CA 95037-2809 Zone de Courtaboeuf #07-01/02 Telephone: (408) 776-8300 91951 Les Ulis Cedex...
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