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Selecting the Frequency Range

The following procedure selects the frequency range for the calibration.

Step 4. Press the

FREQ/DIST

key.

Step 5. Press the

soft key.

Step 6. Enter 2, 5 or a user-defined frequency using the key pad or the Up/Down arrow

key.

Step 7. Press

ENTER

to set F1 to 25 MHz.

Step 8. Press the

soft key.

Step 9. Enter 1, 2, 0, 0 or a user-defined frequency using the keypad or the Up/Down ar-

row key.

Step 10. Press

ENTER

to set F2 to 1200 MHz.

Step 11. Check that the FREQ (MHz) scale in the display area indicates the new fre-

quency start and stop values (for example: F1 = 25 MHz, F2 = 1200 MHz).

Performing a Calibration

The following procedure details how to perform the calibration.

Step 12. Press the

START CAL

key. The message “Connect Open to RF OUT port” will

appear in the display.

Step 13. Connect the calibrated Open and press the

ENTER

key. The messages “Mea-

suring OPEN” and “Connect Short to RF OUT” will appear.

Step 14. Remove the Open, connect the calibrated Short and press the

ENTER

key. The

messages “Measuring SHORT” and “Connect TERMINATION to RF OUT”
will appear.

Step 15. Remove the Short, connect the calibrated Termination and press the

ENTER

key. The messages “Measuring TERMINATION ” will appear.

Step 16. Verify that the calibration has been properly performed by checking that the

message “CAL ON” is displayed in the upper left corner of the display.

Setting the Amplitude Scale

Step 17. Press the

AMPLITUDE

LIMIT

key to call up the Scale menu.

Step 18. In SWR mode, press the

TOP

soft key and enter 1, ., 1, 0 using the key pad or

the Up/Down arrow key, and press

ENTER

. (In Return Loss mode, enter 0.)

Step 19. In SWR mode, press the

BOTTOM

soft key and enter 1, ., 0, 0 using the key pad

or the Up/Down arrow key, and press

ENTER

. (In Return Loss mode, enter 54.)

NOTE:
Figure 4-2 and 4-3 show the typical responses of a valid calibration with a load
attached to the test port with 517 data points.
To change the number of data points, press the

SWEEP

key, followed by the

RESOLUTION

soft key. Select 130, 259, or 517 data points.

In the examples, all markers are deactivated.

4-3

Chapter 4 Measurements

Содержание Site Master S113B

Страница 1: ...S331B S332B Antenna Cable and Spectrum Analyzer User s Guide Hand Held Tester for Transmission Lines and other RF Components Color Front Cover only P N 00986 00028 Anritsu S113B Site Master Specs Provided by www AAATesters com ...

Страница 2: ......

Страница 3: ...e product No other warranty is expressed or implied and the remedies provided herein are the Buyer s sole and exclusive remedies TRADEMARK ACKNOWLEDGMENTS MS DOS Windows Windows 95 Windows NT and Windows 98 are registered trademarks of the Microsoft Corporation Anritsu and Site Master are trademarks of Anritsu Company NOTICE Anritsu Company has prepared this manual for use by Anritsu Company perso...

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Страница 5: ...ing the NiMH Battery 2 3 Battery Life 2 3 Important Battery Information 2 3 Chapter 3 Functions and Operations 3 1 Introduction 3 1 Front Panel Overview 3 1 Test Connector Panel 3 2 Keypad Controls 3 3 Soft Keys 3 6 Power Monitor Menu 3 18 Printing 3 19 Printing a Screen 3 19 Printer Switch Settings 3 20 Symbols 3 21 Self Test 3 21 Error Codes 3 22 Self Test Errors 3 22 Range Errors 3 23 Using the...

Страница 6: ...cale 4 14 Setting the Marker 4 14 DTF Measurement Determining the quality of the cable 4 16 Setting the Amplitude Scale 4 16 Setting the Markers 4 16 Making Power Measurements 4 18 Entering Power Monitor Mode 4 18 Zeroing the Power Monitor 4 18 Measuring High Input Power Levels 4 18 Displaying Power in dBm and Watts 4 18 Displaying Relative Power 4 18 Making a Measurement with the Spectrum Analyze...

Страница 7: ... 5 5 Saving a Plot as a Windows Metafile or as a Spreadsheet File 5 6 Pasting a Plot in Graphic or Spreadsheet Format 5 6 Saving Data to a Database 5 6 Drag n Drop 5 6 Printing 5 7 Appendix A Reference Data A 1 Coaxial Cable Technical Data A 1 iii iv ...

Страница 8: ...n be used to extend battery life over an eight hour work day The Site Master is designed for measuring SWR return loss or cable insertion loss and lo cating faulty RF components in antenna systems Power monitoring is available as an op tion Site Master models S114B and S332B include spectrum analysis capability The displayed trace can be scaled or enhanced with frequency markers or a limit line A ...

Страница 9: ... Precision N m Load 42 dB 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 Adapter Precision N f to 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 Adapt...

Страница 10: ...SMA f 50 W 806 to 869 MHz Part No 2000 1034 Antenna SMA f 50 W 896 to 941 MHz Part No 2000 1035 HP Deskjet 340 Printer Part No 2000 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...

Страница 11: ...gation velocity of the cable dp is the number of data points 128 256 512 DF is F2 F1 in Hz Wattmeter Power Monitor Range Offset Range Resolution 80 0 to 80 dBm or 10 0 pW to 100 0 kW 0 to 60 0 dB 0 1 dB or 0 1 xW Test Port Type N 50 Ohms Immunity to Interfering signals up to the level of S113B S114B S331B S332B 10 dBm reflection 5 dBm reflection Maximum Input Damage Level Test Port Type N RF Detec...

Страница 12: ...ge Log Scale 2 to 15 dB div In 1 dB steps Ten divisions dis played Frequency Response RF Input VSWR 2 0 1 Resolution Ref Level 1 0 dB Total Level Accuracy 2 0 dB General Internal Memory Trace Memory Instrument config RS 232 200 maximum 10 setup locations 9 pin D sub three wire serial Electromagnetic Compatibility Meets European community requirements for CE marking Power Supply External DC Input 1...

Страница 13: ...vents or abra sive cleaners Clean the RF connectors and center pins with a cotton swab dampened with denatured alco hol Visually inspect the connectors The fingers of the N f connectors and the pins of the N m connectors should be unbroken and uniform in appearance If you are unsure whether the connectors are good gauge the connectors to confirm that the dimensions are correct Visually inspect the...

Страница 14: ...ou use a typical laboratory cable to extend the Site Master test port to the device under test cable bending subsequent to the OSL calibration will cause uncompensated phase reflections inside the cable Thus cables which are NOT phase stable may cause measurement errors that are more pro nounced as the test frequency increases For optimum calibration Anritsu recommends using precision calibration ...

Страница 15: ...Allee 54 56 D 40237 Dusseldorf Germany Telephone 0211 96 85 50 FAX 0211 96 85 555 INDIA MEERA AGENCIES P LTD A 23 Hauz Khas New Delhi 110 016 Telephone 011 685 3959 FAX 011 686 6720 ISRAEL TECH CENT LTD Haarad St No 7 Ramat Haahayal Tel Aviv 69701 Telephone 03 64 78 563 FAX 03 64 78 334 ITALY ANRITSU Sp A Rome Office Via E Vittorini 129 00144 Roma EUR Telephone 06 50 22 666 FAX 06 50 22 4252 JAPAN...

Страница 16: ...AC or 240 VAC power source as appropriate for your application The green external power indicator on the Site Master will illuminate indicating the presence of external DC power and the battery will begin charging The indi cator will remain lit as long as the battery is charging Once the battery is fully charged the battery indicator will turn off If the battery fails to charge contact your neares...

Страница 17: ...nded that the NiMH battery be completely discharged and recharged once every three months Battery Charge Indicator When the AC DC adapter is unplugged from the Site Master the battery indicator symbol will be continuously displayed at the top left corner of the Site Master display Figure 2 1 A totally black bar indicates a fully charged battery When LOW BATT replaces the bat tery indicator bar at ...

Страница 18: ...harged and discharged 300 to 500 times but it will eventually wear out The battery may need to be replaced when the operating time between charging is notice ably shorter than normal Important Battery Information With a new NiMH battery full performance is achieved after three to five complete charge and discharge cycles Use only Anritsu approved battery packs Recharge the battery only in the Site...

Страница 19: ... or warm up as necessary before use or charging Storing the battery in extreme hot or cold places will reduce the capacity and lifetime of the battery Do not dispose of batteries in a fire Batteries must be recycled or disposed of properly Do not place batteries in garbage 2 4 Chapter 2 Getting Started ...

Страница 20: ...n also be powered by a 12 5 Vdc external source The external source can be either the Anritsu AC DC Adapter P N 40 115 or 12 5 Vdc Automotive Cigarette Lighter Adapter P N 806 62 Both items are standard accesso ries Front Panel Overview The Site Master menu driven user interface is easy to use and requires little training Mode Frequency Amplitude and Sweep function keys are located just below the ...

Страница 21: ...g a severe or fatal electric shock Battery Charging Illuminates when the battery is being charged The indicator automatically shuts off when the battery is fully charged External Power Illuminates when the Site Master is being powered by the external charging unit Serial Interface RS232 DB9 interface to a COM port on a personal computer for use with the Anritsu Software Tools program or to a suppo...

Страница 22: ...u and key selections ESCAPE CLEAR Exits the present operation or clears the display If a parameter is being edited pressing this key will clear the value currently being entered and restore the last valid entry Pressing this key again will close the parameter During normal sweeping pressing this key will move up one menu level FREQ DIST Displays the Frequency or Distance menu depending on the meas...

Страница 23: ...e memory When the key is pressed TRACE NAME appears in the lower left of the display Save the dis play with up to 16 alphanumeric characters for that trace name and press the ENTER key to implement SAVE SETUP Saves the current system setup to 1 of 10 internal non volatile memory loca tions When the key is pressed a SAVE SETUP selection box appears on the dis play Use the Up Down arrow key to selec...

Страница 24: ...u softkey selections Up Down Arrow Key Increments or decrements a parameter value or chooses an item from a list which can then be selected with the ENTER key NOTE At turn on before any other keys are pressed the Up Down arrow key may be used to adjust display contrast 3 5 Chapter 3 Functions and Operations ...

Страница 25: ...E and LIMIT keys are functionally identical Figures 3 3 through 3 6 show the soft key labels for each Mode selection 3 6 Chapter 3 Functions and Operations MODE FREQ SOFTKEYS F1 130 F2 259 517 BOTTOM LIMIT ON OFF LIMIT EDIT LIMIT BEEP TOP RESOLU TION SINGLE SWEEP TRACE MATH FREQ DIST AMPLITUDE SWEEP Figure 3 3 Frequency Mode Soft Key Labels MODE POWER MONITOR SOFTKEYS UNITS REL OFFSET ZERO Figure ...

Страница 26: ...ations MODE DTF SOFTKEYS BOTTOM LIMIT ON OFF LIMIT EDIT LIMIT BEEP TOP RESOLU TION SINGLE SWEEP TRACE MATH FREQ DIST AMPLITUDE SWEEP D2 DTF AID MORE D1 LOSS CABLE WINDOW BACK PROP VEL Figure 3 5 Distance to Fault Mode Soft Key Labels ...

Страница 27: ...MODE SPECTRUM ANALYZER SOFTKEYS CENTER SPAN START STOP SCALE LIMIT ON OFF LIMIT EDIT REF LEVEL RBW VBW MAX HOLD CONT SINGLE OCC BW FREQ DIST AMPLITUDE SWEEP METHOD FULL ZERO dBc MEASURE BACK Figure 3 6 Spectrum Analyzer Mode Soft Key Labels ...

Страница 28: ... quency span and propagation velocity q MORE Selects the Distance Sub Menu detailed below Distance Sub Menu Provides for setting the cable loss and relative propagation velocity of the coax ial cable Selected values may be changed using the Up Down arrow key or key pad q LOSS Opens the Cable Loss parameter for data entry Enter the loss per foot or meter for the type of transmission line being test...

Страница 29: ... the side lobes are reduced the main lobe widens thereby reducing the resolution In situations where there may be a small discontinuity close to a large one side lobe reduction Windowing should be used When distance resolution is critical Windowing can be reduced The types of Windowing in order of increasing side lobe reduction are rectangular nominal side lobe low side lobe minimum side lobe Figu...

Страница 30: ... 5 3 0 3 5 4 0 4 5 5 0 R e t u r n L o s s d B D i s t a n c e T o F a u l t Figure 3 7 Rectangular Windowing Example D i s t a n c e T o F a u l t 5 1 0 1 5 2 0 2 5 3 0 F e e t 3 5 4 0 4 5 5 0 5 5 6 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 R e t u r n L o s s d B Figure 3 8 Nominal Side Lobe Windowing Example ...

Страница 31: ...5 5 0 5 5 6 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 R e t u r n L o s s d B Figure 3 9 Low Side Lobe Windowing Example D i s t a n c e T o F a u l t 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 5 5 6 0 F e e t 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 4 5 5 0 R e t u r n L o s s d B Figure 3 10 Minimum Side Lobe Windowing Example ...

Страница 32: ...z Also brings up FULL and ZERO softkeys q FULL span sets the Spectrum Analyzer to its maximum frequency span q ZERO span sets the span to 0 Hz This displays the input signal in an am plitude versus time mode which is useful for viewing modulation q START Sets the Spectrum Analyzer in the START STOP mode Enter a start frequency value in MHz using the Up Down arrow key or keypad press ENTER to accep...

Страница 33: ...ntry is complete q LIMIT EDIT Opens the Limit Line for data entry using the Up Down arrow key or key pad entry Press ENTER when data entry is complete q LIMIT BEEP Toggles the Limit beep sound on or off When on the Site Master sounds a beep when the measured value is above the Limit Line Choosing AMPLITUDE in SPECTRUM ANALYZER mode causes the soft keys below to be displayed and the corresponding v...

Страница 34: ...UM ANALYZER mode causes the soft keys below to be displayed q RBW Activates the resolution bandwidth functions They let users manu ally adjust the resolution s bandwidth to the desired value by scrolling using the Up Down arrow key Select desired value and press ENTER when com plete q VBW Activates the video bandwidth function It lets users manually adjust the resolution s bandwidth to the desired...

Страница 35: ...4 in FREQ or DTF measurement modes causes the soft keys below to be displayed and the corresponding values to be shown in the message area q ON OFF Turns the selected marker on or off q EDIT Opens the selected marker parameter for data entry Press ENTER when data entry is complete or ESCAPE to restore the previous value q DELTA Mx M1 Displays delta amplitude value for as well as delta fre quency o...

Страница 36: ... DD YY DD MM YY and YY MM DD CLOCK q HOUR Enter the hour 0 23 using the Up Down arrow key or the keypad Press ENTER when data entry is complete or ESCAPE to restore the previous value q MINUTE Enter the minute 0 59 using the Up Down arrow key or the keypad Press ENTER when data entry is complete or ESCAPE to restore the previous value q MONTH Enter the month 1 12 using the Up Down arrow key or the...

Страница 37: ...s dBr with units of Watts relative mode displays percent q OFFSET Turns Offset OFF if currently ON If Offset is currently OFF turns it ON and opens the Offset parameter for data entry Press ENTER when data entry is complete Offset is the attenuation in dB inserted in the line between the DUT and the RF detector The attenuation is added to the measured input level prior to dis play q ZERO Turns Zer...

Страница 38: ...O PRINTER HP 340 DESKJET SERIAL CABLE 2000 1012 SERIAL TO PARALLEL INTERFACE CABLE 2000 753 HOLD RUN START CAL AUTO SCALE SAVE SETUP RECALL SETUP LIMIT MARKER SAVE DISPLAY RECALL DISPLAY PRINT MODE FREQ DIST AMPLITUDE SWEEP SYS ENTER CLEAR ESCAPE ON OFF 1 2 4 5 6 7 8 9 0 3 Site Master S332B Figure 3 11 Site Master Printer Setup HOLD RUN START CAL AUTO SCALE SAVE SETUP RECALL SETUP LIMIT MARKER SAV...

Страница 39: ...k jet printer as follows 3 20 Chapter 3 Functions and Operations HOLD RUN START CAL AUTO SCALE SAVE SETUP RECALL SETUP LIMIT MARKER SAVE DISPLAY RECALL DISPLAY PRINT MODE FREQUENCY AMPLITUDE BANDWIDTH SYS ENTER CLEAR ESCAPE ON OFF 1 2 4 5 6 7 8 9 0 3 PRINTER PRINT PRINTER CHANGE DATE Site Master S332B Figure 3 13 PRINTER Soft Key and PRINT Key Switch 1 2 3 4 5 6 7 8 SW1 OFF ON ON ON ON OFF ON ON S...

Страница 40: ...1 Chapter 3 Functions and Operations Icon Symbol Site Master is in Hold for power conservation To resume sweeping press the RUN HOLD key After 10 minutes without a key press the Site Master will automatically activate the power conservation mode Integrator Failure Lock fail indication Check battery If the Site Master fails to lock with a fully charged battery call your Anritsu Service Center When ...

Страница 41: ...n persists with a fully charged battery call your Anritsu Service Center INTEGRATOR FAILED Integration circuit could not charge to a valid level Charge battery If condition persists with a fully charged battery call your Anritsu Ser vice Center EEPROM R W FAILED Non volatile memory system has failed Call your Anritsu Service Center OUT OF TEMP RANGE Ambient temperature is not within the specified ...

Страница 42: ... parameter top value is less than or equal to its bottom value RANGE ERROR TOP BOTTOM The RL scale parameter top value is greater than or equal to its bottom value CAL INCOMPLETE A complete open short and load calibration must be performed bef ore calibration can be turned on DIST REQUIRES F1 F2 Valid distance to fault plots require a non zero frequency span DIST REQUIRES CAL Distance to fault mea...

Страница 43: ...GH Attempting to perform a Power Monitor zero adjust function with an input of greater than 20 dBm POWER MONITOR OPTION NOT INSTALLED Attempting to enter Power Monitor mode with no option 5 installed Table 3 3 Range Error Messages 2 of 2 Figure 3 14 Maximum Distance and Resolution vs Frequency Span ...

Страница 44: ...gned such that the strap can be unsnapped to allow the case to be easily oriented horizontally thus allowing the Anritsu controls to be more easily accessed Figure 3 15 3 25 3 26 Chapter 3 Functions and Operations Figure 3 15 Using the Site Master Soft Carrying Case ...

Страница 45: ...verage Measurements can be easily made by using the main instrument functions frequency span amplitude and sweep A full range of marker capabilities such as peak center and delta functions are provided for fast comprehensive measurement of displayed signals Limit lines are available for creating quick simple pass fail measure ments Power monitor measurements can be either absolute or relative to s...

Страница 46: ...etion the screen displays the Anritsu logo the model number and the version of firmware installed Step 2 Press ENTER to continue or wait for one minute The Site Master is now ready for operation Calibration Procedure The following procedure provides the steps necessary to perform an Open Short Load OSL calibration Calibration is done with the maximum 517 data points and is valid for 130 and 259 da...

Страница 47: ...n connect the calibrated Short and press the ENTER key The messages Measuring SHORT and Connect TERMINATION to RF OUT will appear Step 15 Remove the Short connect the calibrated Termination and press the ENTER key The messages Measuring TERMINATION will appear Step 16 Verify that the calibration has been properly performed by checking that the message CAL ON is displayed in the upper left corner o...

Страница 48: ...d trace For example to save a display with the name TX1 RETURN LOSS press the soft key group that contains the letter T then press the T soft key Press the soft key group that contains the letter X then press the X soft key Press the number 1 key on the numeric keypad Use the softkeys and keypad as neces sary to enter the entire name then press ENTER to complete the process NOTE More than one trac...

Страница 49: ...ected For best results use a phase stable Test Port Extension cable In a typical lab oratory cable bending subsequent to the calibration will cause uncompensated phase reflections inside the cable Cables that are not phase stable may cause measurement errors that become more pronounced as the test frequency in creases 4 5 Chapter 4 Measurements Figure 4 2 Return Loss Measurement Mode Calibration R...

Страница 50: ...ting the Measurement Mode Step 2 Press the MODE key Step 3 Use the Up Down arrow key to scroll to FREQ SWR or FREQ RETURN LOSS Step 4 Press the ENTER key to select Frequency SWR or Return Loss measurement mode Selecting the Frequency Range Step 5 Press the FREQ DIST key Step 6 Press the F1 soft key Step 7 Enter 2 5 using the key pad or the Up Down arrow key Step 8 Press ENTER to set F1 to 25 MHz S...

Страница 51: ... end of the test port or op tional extension cable that is at the same point that you will connect the antenna or device to be tested For best results use a phase stable Test Port Extension Cable see Optional Accessories If you use a typical laboratory cable to extend the Anritsu test port to the device under test cable bending subsequent to the Open Short Load cal ibration will cause uncompensate...

Страница 52: ...nter 1 3 using the keypad or Up Down arrow key Press ENTER to set the top scale In Return Loss mode enter 0 Step 20 In SWR mode press the BOTTOM soft key and enter 1 using the keypad or Up Down arrow key Press ENTER to set the bottom scale In Return Loss mode enter 5 4 Step 21 Press the LIMIT EDIT soft key For Freq SWR enter 1 2 For Freq Return Loss enter 2 1 using the keypad or Up Down arrow key ...

Страница 53: ... to 500 MHz Note pressing the ON OFF soft key activates or deactivates the M1 marker function Step 24 Press the BACK soft key to return to the Markers menu Step 25 Repeat steps 22 and 23 for marker M2 Set M2 to 950 MHz Figures 4 5 and 4 6 depict the Return Loss and SWR measurements NOTE Refer to page 4 4 for instructions on saving and recalling a setup or display 4 9 Chapter 4 Measurements Figure ...

Страница 54: ...nter 0 0 0 using the keypad or Up Down arrow key Press ENTER to set the top scale Step 32 Press the BOTTOM soft key and enter 2 using the keypad or Up Down arrow key Press ENTER to set the bottom scale NOTE An alternative method of setting the amplitude scale is to use the AUTO SCALE key Setting the Markers The following procedure sets the markers Step 33 Press the MARKER key to call up the Marker...

Страница 55: ... for marker M2 Set M2 to 900 MHz Figures 4 7 depicts a Cable Loss measurement NOTE Refer to page 4 4 for instructions on saving and recalling a setup or display 4 11 Chapter 4 Measurements Figure 4 7 Cable Loss Measurement Results ...

Страница 56: ...splay the DTF AID parameter table will appear NOTE Where CAL ON is indicated on the Site Master pressing the DTF AID soft key will activate the DTF parameter table However distance and cable type propagation velocity and loss have not been optimized F1 and F2 are set by CAL ON setup DTF measurement is valid for D2 Dmax as defined by F2 and F1 The number of data points resolution will automatically...

Страница 57: ... the instructions on the display to con nect the respective calibration components to the Site Master test port Refer to the calibration procedure on page 4 3 NOTES For best calibration results compensation for all measurement system uncer tainties ensure that the Open Short Load is at the end of the test port or op tional extension cable that is at the same point that you will connect the antenna...

Страница 58: ... mode enter 0 Step 19 In SWR mode press the BOTTOM soft key and enter 1 using the keypad or Up Down arrow key Press ENTER to set the bottom scale In Return Loss mode enter 54 Setting the Marker Step 20 Press the MARKER key to call up the Markers menu Step 21 Press the M1 soft key to select the M1 marker function Note pressing the ON OFF soft key activates or deactivates the M1 marker function Step...

Страница 59: ...4 15 Chapter 4 Measurements Figure 4 8 DTF SWR Measurement Results cable length Figure 4 9 DTF RETURN LOSS Measurement Results cable length ...

Страница 60: ... keypad or Up Down arrow key Press ENTER to set the top scale In Return Loss mode enter 20 Step 27 In SWR mode press the BOTTOM soft key and enter 1 using the keypad or Up Down arrow key Press ENTER to set the bottom scale In Return Loss mode enter 54 Setting the Markers Step 28 Press the MARKER key to call up the Markers menu Step 29 Press the M2 soft key to select the M2 marker function Note pre...

Страница 61: ...4 17 Chapter 4 Measurements Figure 4 10 DTF SWR Measurement Results cable quality Figure 4 11 DTF RETURN LOSS Measurement Results cable quality ...

Страница 62: ... Input Power Levels Step 4 Insert an attenuator between the DUT and the RF detector sufficient to insure that the input power to the Site Master is no greater the 20 dBm Step 5 Press the OFFSET soft key Step 6 Enter the attenuation in dB using the keypad Press ENTER to complete the en try The message area will show OFFSET is ON along with the entered value in dB Displaying Power in dBm and Watts S...

Страница 63: ...and tune the spectrum analyzer to track a signal automatically Example Measuring a 900 MHz signal Step 1 Press ON OFF then ENTER when prompted Step 2 Connect a signal generator to the RF input of the Spectrum Analyzer and config ure it to provide a 10 dBm 900 MHz signal Set the Site Master to Spectrum Analyzer mode Step 3 Press the MODE key Step 4 Use the Up Down arrow key to scroll to SPECTRUM AN...

Страница 64: ...1 Press the MARKER key Step 12 Press the M1 soft key Step 13 Press ON OFF and EDIT soft keys to activate the selected marker Step 14 Press the MARKER TO PEAK soft key to set marker M1 to the highest point on the trace Figure 4 13 NOTE Alternatively press the EDIT softkey and use the Up Down arrow key to find the peak display value 4 20 Chapter 4 Measurements Figure 4 12 15 MHz Frequency Span ...

Страница 65: ...soft key and use the Up Down arrow key or the keypad to en ter 1 0 the peak value found above to set the reference level to 10 dBm Step 3 Press ENTER Observe the display Figure 4 14 4 21 4 22 Chapter 4 Measurements Figure 4 13 Activated normal marker Figure 4 14 Reference level at 10 dBm ...

Страница 66: ...ools communicates with the Site Master through a standard COM port on the PC It is important that your Windows COM port settings conform to the actual hardware settings Since various add in devices such as sound cards modems and network cards use IRQ Interrupts it is possible that your computer has non standard COM port settings Please consult your computer vendor for COM port address and IRQ in f...

Страница 67: ...rol None Step 7 Choose Resource and verify the COM Port Base Address and IRQ Click OK when done Step 8 Click OK again to close the System Properties window Note If you changed the COM Port Base Address and or IRQ you will need to restart Windows 5 2 Chapter 5 Software Tools Program Figure 5 1 Windows 95 98 NT COM Port Setting Dialog Boxes ...

Страница 68: ...or problems that you should know about Step 15 Double click on the Site Master Help icon to acquaint yourself with the com prehensive on line manual This manual provides descriptive narrative for the various program features and controls Step 16 Double click on the Site Master Software Tools icon to open the Software Tools program Step 17 Click on Settings in the top menu bar and select COM Port E...

Страница 69: ...en completely captured into the database Capture single or multiple traces to PC screen Step 1 Perform steps 1 2 and 3 of the capture multiple traces to database procedure Step 2 Click on the Start Plot Capture icon or click on Capture in the top menu bar and select Capture Plots to Screen from the drop down menu Step 3 Enter the number or numbers of the stored display memory location s 1 to 200 f...

Страница 70: ... it asks you to supply start and stop distances along with the ca ble type or propagation velocity and insertion loss values Tables in Appendix A provide these values for some of the more popular coaxial cables 1000 MHz If values are needed at a different frequency or if you need the exact values for more accu rate measurement please contact the coaxial cable manufacturer Coaxial cables may be add...

Страница 71: ...oad the desired plot Step 3 Copy the data to the clipboard by selecting the Copy Plot Data icon or Copy from the Edit menu Step 4 To paste to a graphic application open the application and select Paste from the application s Edit menu Step 5 To paste to a spreadsheet open the spreadsheet program and place the cursor where the first data point should appear Step 6 Select Paste from the spreadsheet ...

Страница 72: ...sitions in the transmission line Variations in the signature between maintenance intervals offer a good indication of damage or damage causing condi tions Printing Captured traces may be printed from a PC using Site Master Software Tools Once a cap tured trace has been downloaded choose Print under the File menu for printing options The printer setup can be altered plots can be scaled and multiple...

Страница 73: ... 0 659 0 541 RG58 58B 0 659 0 558 RG58A 58C 0 659 0 787 RG142 0 690 0 443 RG174 0 660 0 984 RG178B 0 690 1 509 RG188 0 690 1 017 RG213 0 660 0 292 RG214 0 659 0 292 RG223 0 659 0 535 FSJ1 50A 0 840 0 197 FSJ2 50 0 830 0 134 FSJ4 50B 0 810 0 119 LDF4 50A 0 880 0 077 LDF5 50A 0 890 0 043 LDF6 50 0 890 0 032 LDF7 50A 0 880 0 027 LDF12 50 0 880 0 022 HJ4 50 0 914 0 087 HJ4 5 50 0 920 0 054 HJ5 50 0 91...

Страница 74: ...0 023 HCC300 50J 0 960 0 014 HCC312 50J 0 960 0 013 HF 4 1 8 Cu2Y 0 970 0 010 HF 5 Cu2Y 0 960 0 007 HF 6 1 8 Cu2Y 0 970 0 006 FLC 38 50J 0 880 0 115 FLC 12 50J 0 880 0 075 FLC 78 50J 0 880 0 045 FLC 114 50J 0 880 0 034 FLC 158 50J 0 880 0 029 CR50 540PE 0 880 0 070 CR50 1070PE 0 880 0 038 310801 0 820 0 115 311201 0 800 0 180 311501 0 800 0 230 311601 0 800 0 262 311901 0 800 0 377 352001 0 800 0 ...

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