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Anritsu Company ATEK S251B, Руководство пользователя

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3-9

Chapter 3 Functions and Operations

M1

M2

M3

M4

ALL

OFF

MARKER

8

ON/OFF

ON/OFF

ON/OFF

ON/OFF

EDIT

EDIT

EDIT

EDIT

DELTA

M2 - M1

DELTA

M3 - M1

DELTA

M4 - M1

MARKER

TO

PEAK

MARKER

TO

PEAK

MARKER

TO

PEAK

MARKER

TO

PEAK

MARKER

TO

VALLEY

MARKER

TO

VALLEY

MARKER

TO

VALLEY

MARKER

TO

VALLEY

BACK

BACK

BACK

BACK

Figure 3-6.

Marker Key Soft Key Labels

Содержание ATEK S251B

Страница 1: ...r 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 Mi...

Страница 2: ......

Страница 3: ...al Charger 2 1 Battery Charge Indicator 2 2 Discharging 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 Over...

Страница 4: ...nder Test Specification 4 16 Procedure 4 16 Selecting the Measurement Mode 4 16 Performing a Calibration 4 17 DTF Measurement Determining the Length of the Cable 4 18 Setting the Amplitude Scale 4 18...

Страница 5: ...ing and Downloading 5 5 Uploading a Cable List to the Site Master Custom Cable Table 5 5 Downloading a Cable List from the Site Master Custom Cable Table 5 5 Saving a Custom Cable List 5 5 Program Ope...

Страница 6: ...r measuring SWR return loss or one port cable insertion loss and locating faulty RF components in antenna systems Power monitoring is available as an option Site Master model S251B includes transmissi...

Страница 7: ...cision N f Short Open Part No 22NF50 Site Master 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 Pr...

Страница 8: ...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...

Страница 9: ...of data points 128 256 512 DF is F2 F1 in Hz Insertion Loss Gain Range Resolution RF Source Frequency Power Output nominal Wattmeter Power Monitor Range Offset Range Resolution 120 00 to 100 00 dB 0...

Страница 10: ...mperature Storage Operation 20 C to 75 C 0 C to 50 C Weight 1 82 kg 4 0 pounds Dimensions 25 4 x 17 8 x 6 1 cm 10 x 7 x 2 4 inches 2 ppm D C from 25 C Fault location is accomplished by inverse Fourier...

Страница 11: ...ents 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...

Страница 12: ...s If you use a typical laboratory cable to extend the Site Master test port to the device under test cable bending subsequent to the OSL or OSLT calibration will cause uncompensated phase reflections...

Страница 13: ...llee 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 LT...

Страница 14: ...C 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 be...

Страница 15: ...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 display...

Страница 16: ...s to run low Allow the battery to fully discharge until the Site Master switches itself off NOTE Do not attempt to discharge the battery by any other means Never short circuit the battery terminals Ba...

Страница 17: ...ged and discharged hundreds of 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 Do not short circui...

Страница 18: ...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 Fron...

Страница 19: ...r 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 M...

Страница 20: ...ns 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 Pressin...

Страница 21: ...ISPLAY Saves up to 200 displayed traces to non volatile 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 t...

Страница 22: ...rts q CONNECT RF Out PORT to RF In PORT Press ENTER The Site Master then measures the through path between the RF Out port and the RF In port or between the ends of the test port cables connected to t...

Страница 23: ...ctionally identical Figures 3 3 through 3 8 show the soft key labels for each Mode selection 3 6 Chapter 3 Functions and Operations F1 130 ON OFF ON OFF TOP OF LIST F2 259 SELECT TRACE EDIT SEGMENT PA...

Страница 24: ...3 7 Chapter 3 Functions and Operations MODE POWER MONITOR SOFTKEYS UNITS REL OFFSET ZERO Figure 3 4 Power Monitor Mode Soft Key Labels...

Страница 25: ...F EDIT SEGMENT SCROLL SEGMENT FULL SPAN SELECT SEGMENT BACK BOTTOM LIMIT LIMIT BEEP TOP AMPLITUDE ON OFF TOP OF LIST SELECT TRACE PAGE UP PAGE DOWN BOTTOM OF LIST DELETE TRACE BACK DELETE ALL TRACES R...

Страница 26: ...N OFF ON OFF ON OFF ON OFF EDIT EDIT EDIT EDIT DELTA M2 M1 DELTA M3 M1 DELTA M4 M1 MARKER TO PEAK MARKER TO PEAK MARKER TO PEAK MARKER TO PEAK MARKER TO VALLEY MARKER TO VALLEY MARKER TO VALLEY MARKER...

Страница 27: ...9 TOP OF LIST PAGE UP PAGE DOWN BOTTOM OF LIST DELETE TRACE DELETE ALL TRACES RECALL DISPLAY 0 Figure 3 7 Save Display and Recall Display Soft Key Menus OPTIONS CLOCK SELF TEST STATUS SYS UNITS PRINTE...

Страница 28: ...uency 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 Se...

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...

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 9 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...

Страница 31: ...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 11 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...

Страница 32: ...ine Sub Menu Provides for setting each of the five segment limit lines Selected values may be changed using the Up Down arrow keys or the keypad q ON OFF Toggles the selected segment limit line on or...

Страница 33: ...e as the currently displayed trace Trace Overlay Sub Menu The trace overlay sub menu is used to turn the trace overlay function on or off and for selecting the overlay trace from memory q ON OFF Toggl...

Страница 34: ...ed frequency marker and distance marker values can be changed us ing the keypad or Up Down arrow key Choosing M1 M2 M3 or M4 in FREQ or DTF measurement modes causes the soft keys below to be displayed...

Страница 35: ...restore the previous value q MONTH Enter the month 1 12 using the Up Down arrow key or the key pad Press ENTER when data entry is complete or ESCAPE to restore the pre vious value q DAY Enter the day...

Страница 36: ...ge Each page contains 15 trace memory locations q PAGE DOWN Move the selection cursor to the top of the next trace mem ory location page q BOTTOM OF LIST Move the selection cursor to the bottom last m...

Страница 37: ...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...

Страница 38: ...JET 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 SWE...

Страница 39: ...s follows 3 22 Chapter 3 Functions and Operations PRINTER PRINT HOLD RUN START CAL AUTO SCALE SAVE SETUP RECALL SETUP LIMIT MARKER SAVE DISPLAY RECALL DISPLAY PRINT MODE FREQ DIST AMPLITUDE SWEEP SYS...

Страница 40: ...3 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 autom...

Страница 41: ...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 charge...

Страница 42: ...s 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 or a...

Страница 43: ...EEP IS NOT COMPATIBLE OR NO STORED SWEEP AT THIS LOCATION Attempt to overlay a stored trace to the display from an empty loca tion or with a different measurement mode or setup than the current displa...

Страница 44: ...3 27 Chapter 3 Functions and Operations Figure 3 16 Maximum Distance and Resolution vs Frequency Span...

Страница 45: ...signed 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 17 3 28 Chapter 3 Functions and...

Страница 46: ...gain or loss measurement is made over a selectable frequency range and the magnitude in dB characterizes the performance of the device under test Gain and loss measurement includes Tower Mount Amplif...

Страница 47: ...stalled 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 Open Shor...

Страница 48: ...ollowing procedures detail how to perform the calibrations Steps 12 through 15 de scribe OSL calibration while steps 16 and 17 apply only to OSLT calibration Step 12 Press the START CAL key The messag...

Страница 49: ...d or the Up Down arrow key and press ENTER In Return Loss mode enter 0 in Inser tion Gain Loss mode enter 100 Step 3 In SWR mode press the BOTTOM soft key and enter 1 using the key pad or the Up Down...

Страница 50: ...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...

Страница 51: ...4 6 Chapter 4 Measurements Figure 4 5 Insertion Loss Mode Calibration Results Loads at RF Out and RF In...

Страница 52: ...4 7 Chapter 4 Measurements Figure 4 6 Insertion Loss Mode Calibration Results Loads at RF Out and RF In Figure 4 7 Insertion Gain Mode Calibration Results RF Out connected to RF In...

Страница 53: ...ted will be connected 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 insi...

Страница 54: ...nt 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 Selectin...

Страница 55: ...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 O...

Страница 56: ...s 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...

Страница 57: ...using the key pad or the Up Down arrow key Press ENTER to set the Stop Frequency to 2500 MHz Step 29 Use the Up Down arrow key to scroll to the STOP FREQ LIMIT parameter and press ENTER to edit the va...

Страница 58: ...the ON OFF soft key activates or deactivates the M1 marker function Step 34 Press the BACK soft key to return to the Markers menu Step 35 Repeat steps 33 and 34 for markers M2 M3 and M4 Set M2 to 960...

Страница 59: ...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 Segment Limit LInes The following procedure...

Страница 60: ...ent 1 limit line Step 55 Press the SELECT SEGMENT soft key and use the Up Down arrow key to scroll to segment 2 Press the EDIT SEGMENT soft key to change the parameter val ues for segment 2 Step 56 Re...

Страница 61: ...calibrated CAL OFF displayed in the upper left of the display 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...

Страница 62: ...ng a Calibration This procedure is used to perform a calibration Step 14 At the Perform Calibration menu follow the instructions on the display to con nect the respective calibration components to the...

Страница 63: ...ess ENTER to set the top scale In Return Loss 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...

Страница 64: ...4 19 Chapter 4 Measurements Figure 4 13 DTF SWR Measurement Results cable length Figure 4 14 DTF RETURN LOSS Measurement Results cable length...

Страница 65: ...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...

Страница 66: ...4 21 Chapter 4 Measurements Figure 4 15 DTF SWR Measurement Results cable quality Figure 4 16 DTF RETURN LOSS Measurement Results cable quality...

Страница 67: ...Specification Procedure Step 1 Press the ON OFF key on the Site Master Selecting the Measurement Step 2 Press the MODE soft key Step 3 Use the Up Down Arrow key to scroll to INSERTION GAIN 30 dBm Pre...

Страница 68: ...complete the results should be similar to those shown in Figure 4 18 4 23 Chapter 4 Measurements HOLD RUN START CAL AUTO SCALE SAVE SETUP RECALL SETUP LIMIT MARKER SAVE DISPLAY RECALL DISPLAY PRINT MO...

Страница 69: ...y to select the M1 marker function 4 24 Chapter 4 Measurements Figure 4 19 Measurement Display Before Amplifier Connection A n t P C S A m p T x R F HOLD RUN START CAL AUTO SCALE SAVE SETUP RECALL SET...

Страница 70: ...pass condition Figure 4 21 Activating the Bias Tee Step 19 Press the SYS key Step 20 Press the OPTIONS soft key then the BIAS TEE soft key to activate the Bias Tee NOTE The Site Master must have Optio...

Страница 71: ...ay of amplifier gain performance Figure 4 22 NOTE Alternatively press the AUTO SCALE key to set the top and bottom display scale Step 24 Press the MARKER key to display the marker value NOTE Refer to...

Страница 72: ...put 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...

Страница 73: ...ols 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 suc...

Страница 74: ...ol 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...

Страница 75: ...r 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 v...

Страница 76: ...ed 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 c...

Страница 77: ...entries for the Site Master to accept the selection as a valid cable during uploading The Site Master will assign a zero value to insertion loss if the Insertion Loss cell has no entry Information en...

Страница 78: ...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 coaxi...

Страница 79: ...ad 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...

Страница 80: ...ositions 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...

Страница 81: ...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 1...

Страница 82: ...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 11...

Страница 83: ......

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