Anritsu S251B manual Range Errors, ERRORD2

Page 43

Chapter 3 Functions and Operations

Range Errors

A listing of Range Error messages is given in Table 3-3.

Table 3-3.Range Error Messages (1 of 2)

Error Message

Description

 

 

RANGE

The start (F1) frequency is greater than the stop (F2) frequency.

ERROR:F1 > F2

 

 

 

 

RANGE

The start (D1) distance is greater than the stop (D2) distance.

ERROR:D1 > D2

 

 

 

 

RANGE

The stop distance (D2) exceeds the maximum unaliased range. This

ERROR:D2 >

range is determined by the frequency span, number of points,

DMax=xx.x m (ft)

and relative propagation velocity:

 

 

 

 

(1.5 ￿ 108) (dp) (V f )

 

MaximumUnaliased Range ￿

 

 

(meters)

 

F2 ￿

 

 

 

F1

 

Where: dp is the number of data points (128, 256, or 512)

 

Vf is the relative propagation velocity

 

F2 is the stop frequency in Hz

 

 

 

F1 is the start frequency in Hz

 

 

 

Maximum Unaliased Range is in meters

 

Refer to Figure 3-16,page 3-27,for a plot of maximum range versus

 

frequency span.

 

 

RANGE ERROR:

The SWR scale parameter top value is less than or equal to its bottom

TOP<=BOTTOM

value.

 

 

RANGE ERROR:

The RL scale parameter top value is greater than or equal to its bottom

TOP>=BOTTOM

value.

 

 

CAL

A complete open, short, and load calibration or a complete open,

INCOMPLETE

short, load isolation and thru calibration must be performed before

 

calibration can be turned on.

 

 

DIST REQUIRES

Valid distance to fault plots require a non-zero frequency span.

F1 < F2

 

 

 

 

DIST REQUIRES

Distance-to-fault measurements do not provide usable data with CAL

CAL

OFF.

 

 

NO STORED

Attempting to recall a display from a location that has not been previ-

SWEEP AT THIS

ously written to. That is, the location does not contain stored sweep.

LOCATION

 

 

 

 

USE OPTIONS

Attempting to print a display with no printer selected. Select a printer,

MENU TO

then retry.

 

 

SELECT A

 

 

 

 

PRINTER

 

 

 

 

DISTANCE AND

DTF measurements only display RL or SWR versus distance.

CABLE

 

 

 

 

INSERTION LOSS

 

 

 

 

MODE ARE

 

 

 

 

INCOMPATIBLE

 

 

 

 

CANNOT ZERO

Attempting to perform a Power Monitor zero adjust function with no

NO DETECTOR

RF detector connected to the Site Master.

 

 

INSTALLED

 

 

 

 

3-25

Page 42 Page 44
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Page 42 Page 44
Contents Site Master Model S251B Antenna Cable Analyzer Warranty Page Table of Contents Cable Loss Measurement Iii/iv Introduction Standard AccessoriesDescription Options Optional AccessoriesPerformance Specifications Description Site Master Performance Specifications 2 Preventive Maintenance Annual Verification CalibrationAnritsu Service Centers Charging the Battery in the Site Master Charging a New BatteryCharging the Battery in the Optional Charger Getting Started Battery Charge IndicatorBattery Life Discharging the NiMH BatteryImportant Battery Information Getting Started Front Panel Overview Chapter Functions and OperationsRF Out Test Connector PanelClear Keypad ControlsPrint Sweep FREQ/DIST Amplitude Sweep Soft KeysMODE=POWER Monitor Softkeys FREQ/DIST Amplitudesweep ON/OFF Edit SYS Functions and Operations Back Returns to the Distance Menu Rectangular Windowing Example 11. Low Side Lobe Windowing Example Amplitude RUN/HOLD button Functions and Operations Clock Tions are Power Monitor Menu Printing a Screen PrintingPrinter Printer Switch SettingsSelf Test SymbolsSelf Test Errors Error CodesERRORD2 Range ErrorsInput Signal 16. Maximum Distance and Resolution vs Frequency Span 17. Using the Site Master Soft Carrying Case Using the Soft Carrying CaseMeasurement Functions Chapter MeasurementsCalibration Procedure Power On ProcedurePerforming a Calibration Selecting the Frequency RangeSaving the Setup Setting the Amplitude ScaleRecalling a Setup Recalling a Display From Memory Saving a Display to MemoryMeasurements Measurements Measurements SWR Return Loss and Cable Loss Measurement Device-Under-Test SpecificationProcedure Selecting the Measurement ModePerforming a Calibration Set the Amplitude Scale and Limit Line SWR or Return Loss MeasurementMeasurements 10. Cable SWR Measurement Results Setting the MarkersCable Loss Measurement Setting the Segment Limit LInes12. Cable Loss Measurement Results Loss DTF MeasurementPerforming a Calibration DTF Measurement Determining the Length of the Cable Setting the Marker13. DTF SWR Measurement Results cable length DTF Measurement Determining the quality of the cable 15. DTF SWR Measurement Results cable quality Selecting the Measurement Insertion Gain Amplifier Measurement17. Two-Port Measurement Calibration Setup Test Port Cable Optional RF in Test Port RF OUT Test Port Amplifier Gain Measurement21. Measurement Display Showing Bypass Condition Activating the Bias TeePress the Marker key to display the marker value Making Power Measurements Changing COM Port Settings-Windows 95/98/NT Communication Port SettingRequirements Software Tools Program Plot Capture Software InstallationCapture single or multiple traces to PC screen Capture multiple traces to a databaseSaving a Custom Cable List Custom Cable List Uploading and DownloadingSmith Chart Software Fault Location SoftwareProgram Operation Saving Data to a Database Pasting a Plot in Graphic or Spreadsheet For- matDrag-n-Drop Printing Appendix a Reference Data Coaxial Cable Technical DataAppendix a Reference Data

S251B specifications

The Anritsu S251B is a state-of-the-art handheld spectrum analyzer designed for wireless communication applications. This compact yet powerful device is engineered to provide engineers and technicians with versatile and reliable measurements in both field and laboratory environments. Its lightweight design, weighing under 1.5 kilograms, allows for easy portability, making it an ideal solution for on-site testing.

One of the standout features of the S251B is its frequency range, which spans from 100 kHz to 6 GHz. This broad coverage is essential for monitoring various wireless technologies, including LTE, Wi-Fi, Bluetooth, and many others. The exceptional resolution bandwidth options from 1 kHz to 1 MHz help in detecting weak signals and interference, ensuring that users can analyze signals with precision.

The S251B utilizes advanced digital signal processing (DSP) technology, which significantly enhances measurement accuracy and speed. This allows for real-time spectrum analysis, ensuring that users can quickly identify and troubleshoot issues. The device supports a range of measurement applications, including spectrum analysis, interference analysis, and channel power measurements, making it a versatile tool for many scenarios.

For ease of use, the analyzer features a bright, color display that provides clear visibility in various lighting conditions. The intuitive graphical user interface enables quick navigation through settings and configuration options. Additionally, the S251B is equipped with a long-lasting battery that provides hours of continuous operation, further enhancing its suitability for field applications.

Connectivity is another key area where the Anritsu S251B excels. It offers USB and Ethernet ports for easy data transfer and remote control capabilities. This feature is particularly useful for engineers who need to integrate the analyzer into automated testing setups or require remote access for more profound analysis.

Moreover, the S251B is designed with ruggedness in mind. It is built to withstand the challenges of field use, including dropping and exposure to various environmental conditions, ensuring reliable performance even in demanding situations.

In conclusion, the Anritsu S251B handheld spectrum analyzer combines portability, advanced measurement techniques, and durability. With its wide frequency range, user-friendly interface, and connectivity options, it is a vital tool for professionals involved in the testing and deployment of wireless communication systems. Its robust capabilities make it an impressive asset for troubleshooting, maintenance, and installation tasks in the field.
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