Anritsu S113C Uživatelská příručka

Site MasterS113C, S114C,S331C, and S332CAntenna, Cable andSpectrum AnalyzerUser's GuideHand-Held Tester for Transmission Linesand other RF Compon

The following items are supplied with the basic hardware.·Soft Carrying Case·AC-DC Adapter·Automotive Cigarette Lighter 12 Volt DC Adapter,·CDROM disk

Figure 5-18 shows the results of a measurement using an R&S HE200 antenna.Antenna CalculationsThe following is a list of various antenna calculati

In the far field, where electric and magnetic fields are related by the impedance of freespace:Pd= power density in W/m2Pt= power transmitted in Watts

Chapter 6Power MeasurementIntroductionThe Site Master with Option 5 installed can be used for making power measurements with abroadband (1 MHz to 3000

Displaying Relative PowerStep 9. With the desired base power level input to the Site Master, press theREL softkey. The message area will showREL: ON a

Chapter 7Software ToolsIntroductionThis chapter provides a description of the Anritsu Software Tools program. Software Toolsis a Windows 95/98/NT4/200

NOTE: It is recommended that Windows NT 4.0 users install NT 4.0 ServicePack 3 (SP3) or above. In addition, Windows 2000 and Windows ME may re-quire i

Interface Cable InstallationCommunication between the instrument and the PC is accomplished over a null modem se-rial cable provided with the instrume

Plot Capture to the PCTo open the plot capture menus, select the capture icon on the button bar, or select theCapture drop down menu from the menu bar

Manual adjustment sets the upper and lower limits of the display under theScale/Limit Submenu.Auto Scale automatically adjusts the scale for maximum a

Saving TracesOnce the plots are captured to the PC they can be saved as individual files or as a block offiles to a database.Saving a Plot as a Window

Optional Accessories1-3Chapter 1 General InformationPart Number Description10580-00061 S113C, S114C, S331C, S332C Programming Manual (on disk only)105

Creating a DatabaseA single trace or a block of traces can be transferred from the instrument to the PC. A sepa-rate database can be created for each

Antenna used for radiated emissions testing are individually calibrated (the antenna factorscan be measured directly) at all appropriate distances. Th

Downloading AntennasAll ten antennas can be downloaded to the PC from the instrument. This allows for modifi-cations to the antenna factors of an ante

Appendix AReference DataCoaxial Cable Technical DataTable A-1 provides a standard listing of common coaxial cables along with their RelativePropagatio

A-2Appendix A Reference DataManufacturer Cable TypeRelativePropagationVelocity (Vf)NominalAttenuationdB/m @1000 MHzNominalAttenuationdB/m @2000 MHzNom

A-3/A-4Appendix A Reference DataManufacturer Cable TypeRelativePropagationVelocity (Vf)NominalAttenuationdB/m @1000 MHzNominalAttenuationdB/m @2000 MH

Appendix BWindowingIntroductionThe Distance sub-menu (page 2-10) provides for setting the cable loss and relative propaga-tion velocity of the coaxial

B-2Appendix B WindowingD i s t a n c e T o F a u l t51 01 52 0 2 53 0F e e t3 54 04 55 05 56 0- 5- 1 0- 1 5- 2 0- 2 5- 3 0- 3 5- 4 0- 4 5- 5 0R e

B-3/B-4Appendix B WindowingD i s t a n c e T o F a u l t51 01 52 0 2 53 0 3 5 4 04 55 05 5 6 0F e e t- 5- 1 0- 1 5- 2 0- 2 5- 3 0- 3 5- 4 0- 4 5-

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Performance SpecificationsPerformance specifications are provided in Table 1-1, on the following page.1-4Chapter 1 General InformationSpecifications a

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1-5Chapter 1 General InformationTransmission Line Loss (one-port)RangeResolution0.00 to 20.00 dB0.01 dBSpectrum Analyzer:Frequency Range S114CS332C100

Preventive MaintenanceSite Master preventive maintenance consists of cleaning the unit and inspecting and clean-ing the RF connectors on the instrumen

InstaCal ModuleThe Anritsu InstaCal module can be used in place of discrete components to calibrate theSite Master. The InstaCal module can be used to

1-8Chapter 1 General InformationUNITED STATESANRITSU COMPANY685 Jarvis DriveMorgan Hill, CA 95037-2809Telephone: (408) 776-8300FAX: 408-776-1744ANRITS

Chapter 2Functions and OperationsIntroductionThis chapter provides a brief overview of the Site Master functions and operations, provid-ing the user w

Front Panel OverviewThe Site Master menu-driven user interface is easy to use and requires little training. Hardkeys on the front panel are used to in

Function Hard KeysMODE Opens the mode selection box (below). Use the Up/Down arrow key to select amode. Press theENTER key to implement.FREQ/DIST Disp

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Keypad Hard KeysThis section contains an alphabetical listing of the Site Master front panel keypad controlsalong with a brief description of each. Mo

The following keypad hard key functions are printed in blue on the keypad keys.Turns the liquid crystal display (LCD) back-lighting ON or OFF.(Leaving

Soft KeysEach keypad key opens a set of soft key selections. Each of the soft keys has a correspond-ing soft key label area on the display. The label

2-7Chapter 2 Functions and OperationsMODE=DTF:SOFTKEYS:BOTTOMTOPFREQ/DISTAMPLITUDED2DTF AIDMORED1LOSSCABLEWINDOWBACKPROPVEL130259517PAGE UPSELECTTRACE

2-8Chapter 2 Functions and OperationsMODE=SPECTRUM ANALYZER:SOFTKEYS:CENTERSPANSTARTSTOPSCALEATTENUNITSREFLEVELOFFSETREFLEVELFREQ/DISTAMPLITUDEEDITGHz

2-9Chapter 2 Functions and OperationsMODE=SPECTRUM ANALYZER:SOFTKEYS:RBWVBWMAXHOLDCONT/SINGLEMEASUREMEASURETRACESWEEPRESETAAUTOFIELDSTRNGTHON/OFFMETHO

FREQ/DIST Displays the frequency and distance menu depending on the measurement mode.FrequencyMenuProvides for setting sweep frequency end points when

Choosing FREQ/DIST in Spectrum Analyzer mode causes the soft keys, below, to be dis-played and the corresponding values to be shown in the message are

AMPLITUDE Displays the amplitude or scale menu depending on the measurement mode.AmplitudeMenuProvides for changing the display scale. Selected values

SWEEP Displays the Sweep function soft key menu for the current operating mode.Sweep Menu Provides for changing the display resolution, single or cont

WARRANTYThe Anritsu product(s) listed on the title page is (are) warranted against defects inmaterials and workmanship for one year from the date of s

qAVERAGE (1-25) — The display will be an average of the number ofsweeps specified here. For example, if the number four is entered here,the data displ

MARKER Choosing MARKER causes the soft keys, below, to be displayed and the corre-sponding values to be shown in the message area. Selected frequency

qON/OFF — Turns the selected marker on or off.qEDIT — Opens the selected marker parameter for data entry. PressENTER when data entry is complete or ES

SEGMENT 1SEGMENT 2SEGMENT 3SEGMENT 4SEGMENT 5BACKqLIMIT BEEP — Turns the audible limit beep indicator on or off.SYS Displays the System menu softkey s

Power Monitor MenuSelecting POWER MONITOR from the Mode menu causes the soft keys, described below,to be displayed and the corresponding values shown

SymbolsTable 2-1 provides a listing of the symbols used as condition indicators on the LCD display.Self TestAt turn-on, the Site Master runs through a

2-20Chapter 2 Functions and OperationsError MessageDescriptionBATTERY LOWBattery voltage is less than 10 volts. Charge battery. If condition per-sists

Range ErrorsA listing of Range Error messages is given in Table 2-3.2-21Chapter 2 Functions and OperationsError MessageDescriptionRANGEERROR:F1 > F

InstaCal Error MessagesIf an InstaCal module that has not been characterized in more than one year is connected tothe Site Master, the follow message

A listing of InstaCal error messages is given in Table 2-4.2-23Chapter 2 Functions and OperationsError MessageDescriptionFAILED TO READSERIAL NUMBEROF

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Battery InformationCharging a New BatteryThe NiMH battery supplied with the Site Master has already completed three charge anddischarge cycles at the

A yellow light may occur because the battery became too warm during the charge cycle.The charger will allow the battery to cool off before continuing

During operation, the battery condition can be viewed by pressing the SYS key and select-ing theSELF TEST soft key. The battery condition will be disp

Important Battery Information·With a new NiMH battery, full performance is achieved after three to five completecharge and discharge cycles. The NiMH

Chapter 3Getting StartedIntroductionThis chapter provides a brief overview of the Anritsu Site Master. The intent of this chapteris to provide the use

Site Master ModeSelecting the Frequency or DistanceRegardless of the calibration method used, the frequency range for the desired measure-ments must b

Calibration VerificationDuring the calibration process in Return Loss mode, either with discrete calibration compo-nents or with the InstaCal module,

Manual Calibration ProcedureIf the “CAL OFF” message is displayed, or the test port cable has been changed, a new cali-bration is required. The follow

InstaCal Module VerificationVerifying the InstaCal module before any line sweeping measurements is critical to themeasured data. InstaCal module verif

InstaCal Module Calibration ProcedureThe InstaCal module automatically calibrates the Site Master using the OSL method.NOTE: The InstaCal module is no

Table of ContentsChapter 1 - General InformationIntroduction ...1-1Description...1-1Sta

Setting the ScaleAuto ScaleThe Site Master can automatically set the scales to the minimum and maximum values ofthe measurement on the y-axis of the d

Step 6. Using the Up/Down arrow key, select CABLE TYPE. Standard cable types arestored in the Site Master cable list. This standard list may not be ed

Spectrum Analyzer ModeSelecting Spectrum Analyzer ModeStep 1. Press the ON/OFF key.Step 2. Press the MODE key and use the Up/Down arrow key to select

Step 3. Press the REF LEVEL soft key and use the up/down arrow key or directly enterthe desired reference level from the keypad. Press ENTER to set th

To set the detection method, press the DETECTION soft key and select either POSITIVEPEAK, AVERAGE,or NEGATIVE PEAK detection.Sweep AverageIn order to

Site Master and Spectrum Analyzer ModesSave and Recall a SetupSaving a SetupSaving a setup configuration in memory will preserve the calibration infor

Step 3.Press ENTER to recall the display.Changing the UnitsBy default, the Site Master displays information in metric units. Use the following proce-d

Defining an UPPER LimitAn upper limit is one where the measurement fails if the data appears ABOVE the limitline.Press theBEEP AT LEVEL soft key, if n

NOTE: The Site Master does not allow overlapping limit segments of the sametype. That is, two upper limit segments cannot overlap and two lower limit

PrintingPrinting is accomplished by selecting an available printer and pressing the print key as de-scribed below. Refer to the particular printer ope

Self Test ...2-19Error Codes ...2-19Self Test Errors ...2-19

Step 4. Press the PRINTER soft key and select from the displayed menu of supportedprinters.Step 5.Press the PRINT key. (Figure 3-6).Printer Switch Set

Using the Soft Carrying CaseThe soft carrying case has been designed such that the strap can be unsnapped to allow thecase to be easily oriented horiz

Chapter 4Cable & AntennaMeasurementsIntroductionThis chapter provides a description of cable and antenna measurements, including linesweeping fund

The performance of a transmission feed line system may be effected by excessive signal re-flection and cable loss. Signal reflection occurs when the R

Typical Line Sweep Test ProceduresThis section provides typical line sweep measurements used to analyze the performance ofa transmission feed line sys

Figure 4-2 is an example of a typical system return loss trace:NOTE: The system sweep trace should appear at an approximate return loss of15 dB (±3 dB

Step 3. Set the start and stop frequencies, F1 and F2, as described on page 3-2.Step 4. Connect the Test Port Extension cable to the RF port and calib

Figure 4-3 is an example of a typical transmission line cable loss trace.Procedure - Return Loss ModeStep 1. Press theMODE key.Step 2. Select FREQ-RET

Figure 4-4 is an example of a typical insertion loss measurement in return loss mode.4-7Chapter 4 Cable & Antenna MeasurementsFigure 4-4. Typical

Distance-To-Fault (DTF) Transmission Line TestThe Distance-To-Fault transmission line test verifies the performance of the transmissionline assembly a

Adjusting Limits ...3-13Adjusting the Display Contrast...3-15Setting the System Language...

Figure 4-5 shows an example of a typical DTF return loss trace.In the above example:qMarker M1 marks the first connector, the end of the Site Master p

Antenna Subsystem Return Loss TestAntenna Subsystem return loss measurement verifies the performance of the transmit andreceive antennas. This measure

The following trace is an example of an antenna return loss trace.Calculate the threshold value and compare the recorded Lowest Return Loss to the cal

Chapter 5Spectrum AnalyzerMeasurementsSpectrum Analyzer FundamentalsAdvanced measurements require the use of additional spectrum analyzer functions be

Effect of Video BandwidthSpectrum analyzers typically use another type of filtering after the detector called VIDEOFILTERING. This filter also affects

Site Master Spectrum Analyzer FeaturesAM/FM ModulationModulation is the process of translating some low frequency or baseband signal (voice, mu-sic, o

The markers read the frequency difference between the two signals, which is equal to themodulating frequency. The marker also reads the difference in

5-5Chapter 5 Spectrum Analyzer MeasurementsFigure 5-2. GSM Adjacent Channel Power MeasurementSgLabs www.sglabs.it email: [email protected] tel. +39 0755

Field Strength MeasurementsAll antennas have loss or gain that can cause errors in measurements. The Site Master cancorrect for antenna loss or gain e

Creating a Spectral MaskQuick go/no-go measurements can be performed by establishing test limits. When usingtest limits, the user is able to quickly i

Out-of-Band Spurious Emissions...5-23Out-of-Band Spurious Emission Measurement ...5-23Required Equipment...

Step 13. Press the NEXT SEGMENT soft key. The starting point of segment 5 will auto-matically be set equal to the ending point of segment 4. PressEDIT

Trace OverlayThe Site Master can be used to compare frequency spectrums.Example:Step 1. Reset the Site Master to the factory default settings if a kno

Occupied BandwidthA common measurement performed on radio transmitters is that of occupied bandwidth(OBW). This measurement calculates the bandwidth c

Step 8.Press the MEASURE key and press theOBW soft key. Select the measurementmethod (dB Down or % of Power) by pressing theMETHOD soft key. The cur-r

Channel Power MeasurementChannel power measurement is one of most common measurements for a radio transmitter.This test measures the output power, or

ProcedureStep 1. Reset the Site Master to the factory default settings if a known starting state isdesired.If the unit is off, hold down the ESC/CLEAR

Figure 5-7 shows the results of the measurement using a GSM signal source with an outputpower level of –35 dBm.When the channel power measurement is o

Adjacent Channel Power RatioAnother common transmitter measurement is that of adjacent channel leakage power. Thisis defined as the ratio of the amoun

Step 9. Select the MAIN CHANNEL BW soft key, and enter the main channel bandwidth.For the GSM signal, enter 2.0 MHz.Step 10. Select theADJ CHANNEL BW

Measurement ApplicationsResolving Closely Spaced SignalsSignal resolution is determined by the intermediate frequency (IF) filter bandwidth. Thehand h

Chapter 1General InformationIntroductionThis chapter provides a description, performance specifications, optional accessories, pre-ventive maintenance

Remember, the resolution bandwidth must be equal to or less than the frequency separationof the signal. Therefore, a 10 kHz resolution bandwidth must

Measurement of Two Signals Having Unequal AmplitudesTypically, in real world environments, closely spaced signals do not have equal amplitudes.Often,

Step 6. Change the frequency in the second source from 1900.100 MHz to 1900.050MHz gradually and observe the effect. Figure 5-12 shows the results wit

Example 2: Harmonic DistortionMost transmitting devices and signal sources contain harmonics. Measuring the harmoniccontent of such sources is frequen

Step 17. Press the EDIT soft key to turn Marker M2 ON and use Up/down arrow key toplace Marker M2 at the center of the second harmonic. Press ENTER to

Out-of-Band Spurious EmissionsOut-of-band spurious measurements are made on signals outside the system main band.These signals, which can interfere wi

Step 9. Press the EDIT soft key. Use the Up/down arrow key to move the marker overone of the spurs. Press the ENTER key to set the marker.Step 10. Com

In-band/Out-of-Channel MeasurementsThe in-band/out-of-channel measurements are those measurements that measure distortionand interference within the s

Step 11. Repeat steps 8-11 for the remaining spurs. Use either Marker 1 again, or chooseanother marker.Figure 5-17 shows a simulated in-band spur chec

Field StrengthRequired EquipmentrSite Master S114C/S332CrPortable AntennaProcedureStep 1. Use the Antenna Editor feature of the Software Tools to defi