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1、Site Master S251A Antenna and Cable Analyzer Users Guide Hand-Held Tester For Antennas, Transmission Lines And Other RF Components Color Cover P/N: 00986-00022 RadioFans.CN 收音机爱 好者资料库 WARRANTY The Anritsu product(s) listed on the title page is (are) warranted against defects in materials and workman
2、ship for one year from the date of shipment. Anritsus obligation covers repairing or replacing products which prove to be defective during the warranty period. Buyers shall prepay trans- portation charges for equipment returned to Anritsu for warranty re- pairs. Obligation is limited to the original
3、 purchaser. Anritsu is not liable for consequential damages. LIMITATION OF WARRANTY The foregoing warranty does not apply to Anritsu connectors that have failed due to normal wear. Also, the warranty does not apply to de- fects resulting from improper or inadequate maintenance by the Buyer, unauthor
4、ized modification or misuse, or operation outside the environmental specifications of the product. No other warranty is ex- pressed or implied, and the remedies provided herein are the Buyers sole and exclusive remedies. TRADEMARK ACKNOWLEDGEMENTS MS-DOS, Windows, Windows for Workgroups, Windows NT,
5、 and Win- dows 95 are registered trademarks of the Microsoft Corporation. Site Master and Cable Mate are trademarks of Anritsu Company. NOTICE Anritsu Company has prepared this manual for use by Anritsu Com- pany personnel and customers as a guide for the proper installation, operation and maintenan
6、ce of Anritsu Company equipment and com- puter programs. The drawings, specifications, and information con- tained herein are the property of Anritsu Company, and any unauthorized use or disclosure of these drawings, specifications, and information is prohibited; they shall not be reproduced, copied
7、, or used in whole or in part as the basis for manufacture or sale of the equipment or software programs without the prior written consent of Anritsu Company. RadioFans.CN 收音机爱 好者资料库 RadioFans.CN 收音机爱 好者资料库 Table of Contents General Information . . . . . . . . . . 1-1 Introduction. . . . . . . . . .
8、 . . . . . . . . 1-1 Description . . . . . . . . . . . . . . . . . . 1-1 Standard Accessories. . . . . . . . . . . . . 1-2 Options . . . . . . . . . . . . . . . . . . . . 1-3 Optional Accessories . . . . . . . . . . . . . 1-3 Performance Specifications . . . . . . . . . 1-5 Preventive Maintenance .
9、. . . . . . . . . . 1-8 Calibration . . . . . . . . . . . . . . . . . . 1-9 Annual Verification . . . . . . . . . . . . . 1-10 Connectors and Controls . . . . . . . 2-1 Introduction. . . . . . . . . . . . . . . . . . 2-1 Test Panel Connectors . . . . . . . . . . . . 2-1 Keypad Controls . . . . . . .
10、 . . . . . . . . 2-2 Soft Keys and Menus . . . . . . . . . . . . . 2-7 Determining Remaining Battery Life . . . 2-26 Printing. . . . . . . . . . . . . . . . . . . . 2-27 Printer Switch Settings . . . . . . . . . . . . . . . . 2-27 Printing a Screen . . . . . . . . . . . . . . . . . . . 2-28 Symbols
11、. . . . . . . . . . . . . . . . . . . 2-29 Self Test . . . . . . . . . . . . . . . . . . . 2-29 Error Codes . . . . . . . . . . . . . . . . . 2-29 Self Test Errors . . . . . . . . . . . . . . . . . . . . 2-29 Range Errors . . . . . . . . . . . . . . . . . . . . . 2-29 Replacing the Battery . . . . .
12、 . . . . . . . 2-29 Using the Soft Carrying Case. . . . . . . . 2-35 August 199810580-00020 Copyright 1998, Anritsu Co.Revision: A Operation . . . . . . . . . . . . . . . . 3-1 Introduction. . . . . . . . . . . . . . . . . . 3-1 Operating Functions . . . . . . . . . . . . . 3-1 Making Common Functio
13、n Selections . . . 3-3 Applying Power . . . . . . . . . . . . . . . . . . . . 3-3 Setting Options . . . . . . . . . . . . . . . . . . . . . 3-3 Setting Markers . . . . . . . . . . . . . . . . . . . . 3-3 Setting Scale/Limits . . . . . . . . . . . . . . . . . . 3-4 Return Loss (SWR) and Cable Loss (O
14、ne Port) Measurement . . . . . . . . . . 3-5 Required Equipment. . . . . . . . . . . . . . . . . . 3-5 Device-Under-Test Specification . . . . . . . . . . . 3-5 Procedure . . . . . . . . . . . . . . . . . . . . . . . . 3-5 Selecting the Measurement Mode. . . . . . . . . . . 3-5 Selecting the Frequen
15、cy Range . . . . . . . . . . . . 3-7 Performing a Calibration . . . . . . . . . . . . . . . 3-7 Cable Return Loss Measurement . . . . . . . . . . . 3-9 Setting the Limit Line . . . . . . . . . . . . . . . . . 3-9 Setting the Markers . . . . . . . . . . . . . . . . . . 3-9 Saving Display to Memory .
16、. . . . . . . . . . . . . 3-11 Cable Loss Measurement. . . . . . . . . . . . . . . 3-11 Scaling the Display . . . . . . . . . . . . . . . . . . 3-11 Saving Display to Memory . . . . . . . . . . . . . . 3-12 DTF Measurement . . . . . . . . . . . . . 3-13 Required Equipment . . . . . . . . . . . . . .
17、 . . . 3-13 Device-Under-Test Specification. . . . . . . . . . . 3-13 Procedure . . . . . . . . . . . . . . . . . . . . . . . 3-13 DTF Parameters Setup . . . . . . . . . . . . . . . . 3-13 Performing a Calibration. . . . . . . . . . . . . . . 3-15 DTF Measurement (Determining the Length of the Cable
18、) . . . . . . . . . . . . . . . . . . . . . 3-16 DTF Measurement (Determining the Quality of the Cable) . . . . . . . . . . . . . . . . . . . . . 3-18 Insertion Gain (Amplifier) Measurement . 3-20 Required Equipment . . . . . . . . . . . . . . . . . 3-20 ii Device-Under-Test Specification. . . . . .
19、 . . . . . 3-20 Procedure . . . . . . . . . . . . . . . . . . . . . . . 3-20 Insertion Gain Mode Selection. . . . . . . . . . . . 3-20 Selecting the Frequency Range . . . . . . . . . . . 3-21 Performing a Calibration. . . . . . . . . . . . . . . 3-21 Amplifier Gain Measurement . . . . . . . . . . .
20、. 3-24 Setting the Markers. . . . . . . . . . . . . . . . . . 3-24 Activating the Bias Tee . . . . . . . . . . . . . . . . 3-27 Scaling the Display . . . . . . . . . . . . . . . . . . 3-27 Saving Display to Memory . . . . . . . . . . . . . . 3-28 Making Power Measurements . . . . . . . 3-29 Entering
21、 Power Monitor Mode . . . . . . . . . . . 3-29 Zeroing the Power Monitor . . . . . . . . . . . . . 3-29 Measuring High Input Power Levels . . . . . . . . 3-29 Displaying Power in dBm and Watts . . . . . . . . 3-30 Displaying Relative Power . . . . . . . . . . . . . . 3-30 RF Source Operation . . . .
22、 . . . . . . . . 3-31 Generating a CW Frequency. . . . . . . . . . . . . 3-31 Software Tools Program. . . . . . . . 4-1 Description . . . . . . . . . . . . . . . . . . 4-1 Requirements . . . . . . . . . . . . . . . . . 4-1 Communication Port Setting. . . . . . . . . 4-2 Changing COM Port SettingsWin
23、dows 3.1 . . . . . 4-2 Changing COM Port SettingsWindows 95 . . . . . 4-4 Software Installation . . . . . . . . . . . . . 4-6 Plot Capture. . . . . . . . . . . . . . . . . . 4-8 Capture multiple to database . . . . . . . . . . . . . 4-8 Capture multiple traces to PC screen. . . . . . . . . 4-9 Singl
24、e trace capture. . . . . . . . . . . . . . . . . . 4-10 Program Operation . . . . . . . . . . . . . 4-11 Fault Location Software . . . . . . . . . . 4-11 Smith Chart Software. . . . . . . . . . . . 4-12 Saving a Plot as a Windows Metafile. . . . 4-12 iiiiii Saving Data to a Spreadsheet. . . . . . .
25、. 4-13 Saving Data to a Database . . . . . . . . . 4-13 “Drag-n-Drop” . . . . . . . . . . . . . . . 4-14 Printing. . . . . . . . . . . . . . . . . . . . 4-14 Appendix A Reference Data . . . . . A-1 Description . . . . . . . . . . . . . . . . . . A-1 iv How to Use this Manual The operation of the Sit
26、e Master is straightforward and intuitive. However, you may find it helpful to review the operation of the keys and menus prior to first-time use. Descriptions of the keys and menus are provided in Chapter 2; mea- surement procedures are found in Chapter 3. First-time users and maintenance superviso
27、rs will benefit from perusing the material in Chapter 1. This chapter describes the instrument and provides listings of options, accessories, and performance specifica- tions. v Please Recycle This product contains a rechargeable nickel- cadmium battery. Spent nickel-cadium bat- teries are valuable
28、resources, do not throw them away. Arrange for proper return for re- cycling in your locality. If you do not have access to proper disposal methods, return the battery to your Anritsu service center. Anritsu service centers will dispose of the unit at no charge. Anritsu service centers are listed in
29、 Table 1-2 (page 1-11). Site Master S251A 1 - 0 Figure 1-1.Site Master System Chapter 1 General Information Introduction This chapter provides a description, performance specifications, op- tional accessories, preventive maintenance, and calibration require- ments for the Site Master model S251A. Th
30、roughout this manual, the term Site Master will refer to the model S251A. ModelFrequency Range S251A625 to 2500 MHz Description The Site Master (Figure 1-1) is a hand held S21(transmission gain or loss), SWR/RL (standing wave ratio/return loss), and Distance-To- Fault (DTF) measurement instrument th
31、at includes a built-in synthe- sized signal source and an optional power monitor. It uses a keypad to enter data and a liquid crystal display (LCD) to provide a graphical in- dication of S21, SWR, or RL over the selected frequency range. The Site Master has a built-in distance-to-fault (DTF) capabil
32、ity. It is capa- ble of up to two hours of continuous operation from a fully charged in- ternal battery and can be operated from a 12.5 dc source (which will also simultaneously charge the battery). Built-in energy conservation features can be used to extend battery life over an eight-hour work day.
33、 The Site Master is designed for measuring transmission gain/insertion loss, SWR, return loss, or cable insertion loss and locating faulty RF 1 - 1 1 components in antenna systems. Power monitoring and bias tee capa- bilities are available as options. The displayed trace can be scaled and/or enhance
34、d with settable frequency markers and/or a limit line. A menu option provides for an audible “beep” when the limit value is ex- ceeded. To permit use in low-light environments, the LCD can be back lit using a front panel key. Standard Accessories A PC based software program (called Software Tools) p
35、rovides an on- line database record for storing measurement data. Site Master Soft- ware Tools can also convert the Site Master display to a Microsoft Windows 95 graphic. Measurements stored in the Site Master internal memory are down-loaded to the PC using the included serial cable. This null-modem
36、 serial cable connects between the Serial Interface connector on the Site Master and a Com Port on a DOS/Windows- based PC. Once stored, the graphic trace can then be displayed, scaled, and/or enhanced with markers and limit lines. Historical graphs can be overlaid with current data by using the PCs
37、 mouse in “drag-n-drop” fashion. The underlying data can be extracted and used in spreadsheets or for other analytical tasks. The Software Tools program also performs DTF (Distance To Fault) or Fault Location by clicking on the appropriate icon. 1 - 2 Chapter 1 General Information The following item
38、s are supplied with the basic hardware. Soft Carrying Case AC-DC Adapter Automotive Cigarette Lighter 12 Volt DC Adapter, 3 1/2-inch floppy disk containing the Software Tools program. This program contains Fault Location (DTF) and Smith Chart functions Serial Interface Cable (Null Modem Type) One ye
39、ar Warranty (includes battery, firmware, and software) Users Guide Options Option 5 Add RF Wattmeter Power Monitor Option 10 Add Bias Tee Optional Accessories Anritsu Precision N (m) Short/Open, Part No. 22N50 Anritsu Precision N (f) Short/Open, Part No. 22NF50 Site Master Precision N (m) Load, 42 d
40、B, Part No. SM/PL Site Master Precision N (f) Load, 42 dB, Part No. SM/PLNF 7/16 (m) Precision Open/Short/Load, Part No. 2000-767 7/16 (f) Precision Open/Short/Load, Part No. 2000-768 Adapter, Precision N (m) to N (m), Part No. 34NN50A 1 - 3 Chapter 1 General Information Adapter, Precision N (f) to
41、N (f), Part No. 34NFNF50 Adapter, 7/16 (f) to N (m), Part No. 510-90 Adapter, 7/16 (f) to N (f), Part No. 510-91 Adapter, 7/16 (m) to N (m), Part No. 510-92 Adapter, 7/16 (m) to N (f), Part No. 510-93 Adapter, 7/16 DIN (m) to 7/16 DIN (m), Part No. 510-96 Adapter, 7/16 DIN (f) to 7/16 DIN (f), Part
42、No. 510-97 Armoured Test Port Extension Cable, 1.5 meter, N (m) to N (f), Part No. 15NNF50-1.5A Armoured Test Port Extension Cable, 3.0 meter, N (m) to N (f), Part No. 15NNF50-3.0A Armoured Test Port Extension Cable, 5.0 meter, N (m) to N (f), Part No. 15NNF50-5.0A Armoured Test Port Extension Cable
43、, 1.5 meter, N (m) to N (m), Part No. 15NN50-1.5A Armoured Test Port Extension Cable, 3.0 meter, N (m) to N (m), Part No. 15NN50-3.0A Armoured Test Port Extension Cable, 5.0 meter, N (m) to N (m), Part No. 15NN50-5.0A Armoured Test Port Extension Cable, 1.5 meter, N (m) to 7/16 DIN (f), Part No. 15N
44、DF50-1.5A Armoured Test Port Extension Cable, 1.5 meter, N (m) to 7/16 DIN (m), Part No. 15ND50-1.5A RF Detector, 1 to 3000 MHz, N(m) input connector, 50 Ohms, Part No. 5400-71N50 1 - 4 Chapter 1 General Information Transit Case for Site Master, Part No. 760-215 HP Deskjet 340 Printer, Part No. 2000
45、-766 Serial-to-Parallel Converter Cable (use with the HP 340 Printer), Part No. 2000-753 Seiko DPU-414 Thermal Printer, Part No. 2000-754 (U.S.) or 2000-761 (Europe) US Adapter (use with the DPU-414 Printer), Part No. 2000-1002 Europe Adapter (use with the DPU-414 Printer) Part No. 2000-1003 Battery
46、 Pack (use with the DPU-414 Printer) Part No. 2000-1004 Serial Interface Cable (use with the DPU-411 Printer), Part No. 2000-XXX Thermal Paper (use with the DPU-411/DPU-414 Printer), Part No. 2000-755 Performance Specifications Performance specifications are provided in Table 1-1, on the following p
47、age. 1 - 5 Chapter 1 General Information 1 - 6 Chapter 1 General Information Specifications are valid when the unit is calibrated at ambient tem- perature after a 5 minute warmup. DescriptionValue Frequency Range:625 to 2500 MHz Frequency Accuracy (RF Source Mode) 75 parts per million 25?C* Frequenc
48、y Resolution100 kHz SWR: Range Resolution 1.00 to 65.00 0.01 Return Loss: Range Resolution 0.0 to 54.00 dB 0.01 dB Cable Insertion Loss: Range Resolution 0.0 to 54.00 dB 0.01 dB Insertion Loss/Gain: Range Resolution 120.0 to 100.0 dB 0.01 dB *Distance-To-Fault (DTF): Range Resolution (in meters) (Re
49、ctangular Windowing) 0 to (Resoution x 129) ( .)()1 5108V Frequency f D WhereVfis the cables relative propagation velocity. Bias Tee: Input Voltage Output Current 12.5 - 15 Vdc 200 mA max Table 1-1.Performance Specifications (1 of 2) 1 - 7 Chapter 1 General Information Wattmeter Power Monitor: Range Offset Range Resolution 50.0 to +20 dBmor 10.0 nW to 100.0 mW 0 to +60.0 dB 0.1 dBor 0.1 xW Test Port, Type N50 Ohms *Immunity to Interfering signals up to the level of+10 dBm, Reflection +30 dBc, Transmission Maximum Input (Damage Level): Test Port, Type N RF Detector +22 dB
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