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Removal and Replacement

3-7

RTC Battery Information

S312D MM

PN: 10580-00195 Revision B

3-7

3-7

RTC Battery Information

The date and time are saved using a +3 V coin-style battery that is mounted on the main PCB. (Refer to

for the location). This battery has a finite life span. When sufficiently discharged, the message

RTC

Invalid

appears during the boot-up self-test.

When this message appears, it is necessary to replace the RTC battery. After replacing the battery, reenter the
date, time, and year (under the

Sys

key menu) to remove the

RTC Invalid

message.

Figure 3-5.

S312D Spectrum Analyzer PCB

Figure 3-6.

RTC Battery Location

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45
46
47
48
49
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Содержание Site Master S312D

Страница 1: ...nce Manual Site Master Model S312D Cable Antenna and Spectrum Analyzer Anritsu Company 490 Jarvis Drive Morgan Hill CA 95037 2809 USA P N 10580 00195 Revision B Printed July 2009 Copyright 2009 Anritsu Company ...

Страница 2: ......

Страница 3: ... attached to products that are not shown in the diagrams in this manual This indicates a prohibited operation The prohibited operation is indicated symbolically in or near the barred circle This indicates a compulsory safety precaution The required operation is indicated symbolically in or near the circle This indicates a warning or caution The contents are indicated symbolically in or near the tr...

Страница 4: ...ove the equipment covers or to disassemble internal components Only qualified service technicians with a knowledge of electrical fire and shock hazards should service this equipment There are high voltage parts in this equipment presenting a risk of severe injury or fatal electric shock to untrained personnel In addition there is a risk of damage to precision components Caution Electrostatic Disch...

Страница 5: ... Verification 2 12 1 MHz RBW Test 2 12 300 kHz RBW Test 2 12 100 kHz RBW Test 2 13 30 kHz RBW Test 2 13 10 kHz RBW Test 2 13 3 kHz RBW Test 2 13 1 kHz RBW Test 2 13 300 Hz RBW Test 2 14 100 Hz RBW Test 2 14 2 9 Spectrum Analyzer Level Accuracy Verification 2 15 Level Accuracy with Frequency Test 2 16 Level Accuracy with Power Test 2 19 2 10 Spectrum Analyzer Residual Spurious Response Verification...

Страница 6: ...nritsu Equipment 3 4 3 4 Opening the Case 3 5 3 5 Removal of the LCD and Keypad Assemblies 3 5 3 6 Removal of the Main PCB Option 5 PCB Spectrum Analyzer Assembly 3 6 3 7 RTC Battery Information 3 7 Appendix A Test Records Spectrum Analyzer Frequency Accuracy A 3 Spectrum Analyzer Level Accuracy Verification continued A 6 Appendix B Test Fixture Schematics ...

Страница 7: ...d a replaceable parts list 1 2 Description The Site Master is a handheld SWR RL standing wave ratio return loss Distance To Fault spectrum analysis and power meter optional measurement instrument It combines a synthesized source VSWR bridge receiver and spectrum analyzer circuitry in a compact instrument Throughout this manual the term VNA Vector Network Analyzer denotes Return Loss SWR Cable Loss...

Страница 8: ... Model 1870A Adapter N m N m 50 Ohm Anritsu Model 34NN50A Adapter Frequency DC to 20 GHz K m N f 50 Ohm Anritsu Model 34RKNF50 50 Ohm Termination Frequency DC to 18 GHz Anritsu Model 28N50 2 RF Coaxial Cable N m N f 50 Ohm Anritsu Model 15NN50 1 5C or equivalent Spectrum Analyzer 9 kHz to 21 2 GHz Anritsu Model MS2665C or equivalent Open Short DC to 18 GHz N m Anritsu Model 22N50 InstaCal Module 2...

Страница 9: ...ged RTC batteries on the main PCB may be replaced Exchange assemblies that are determined to have been damaged by improper handling will not be accepted for credit Table 1 2 List of Replaceable Assemblies Part Number Description ND67965 S312D Main SPA Assembly without Option 10A without Option 31 ND67967 S312D Main SPA Assembly with Option 31 without Option 10A ND67969 S312D Main SPA Assembly with...

Страница 10: ...1 4 Replaceable Parts General Information 1 4 PN 10580 00195 Revision B S312D MM ...

Страница 11: ... any of the tests in these sections ensure that the S312D has had a minimum of 30 minutes warm up and that the test equipment has been warmed up to the specifications of its manufacturer Table 1 1 Required Equipment for Performance Verification on page 1 2 lists the required equipment for performance verification Note Anritsu Company recommends that you use an AC DC power adapter during performanc...

Страница 12: ...soft key to turn on Fixed CW 6 Connect the RF cable from the Site Master Reflection Test Port to the RF Input on the Spectrum Analyzer 7 Set up the Spectrum Analyzer as follows a Press the Preset key then press Preset All F1 Figure 2 1 VNA Frequency Accuracy Test Setup 3 MS2665C Spectrum Analyzer 9kHz 21 2GHz Preset Remote Local Copy Cont Copy Stby On Memory Card Menu On Off F1 F2 F3 F4 F5 F6 More...

Страница 13: ...r j Press the Amplitude key k Set the Reference Level to 0 dBm l Press the Log Scale soft key F5 m Press 2 dB Div F3 and then press the Return soft key 8 When a peak response appears on the Spectrum Analyzer press the Marker Peak Search key on the Spectrum Analyzer Record the frequency in Table A 1 VNA Frequency Accuracy on page A 2 9 On the Site Master press the MEAS DISP key then the Fixed CW so...

Страница 14: ...ss the MODE key 3 Use the Up Down arrow key to highlight Return Loss then press ENTER 4 Press the START CAL key 5 Follow the instructions on the screen to perform a calibration using a 22N50 Open Short and 28N50 2 Termination 6 Connect the 20 dB offset to the RF Out port and record the minimum and maximum values in Table A 2 VNA Return Loss Verification on page A 2 7 Connect the 6 dB offset to the...

Страница 15: ...the Site Master This sets the instrument to the factory preset state 2 Press the MODE soft key 3 Use the Up Down arrow key to highlight RETURN LOSS then press ENTER 4 Press the START CAL key The message CONNECT OPEN or InstaCal TO RF Out PORT appears in the display 5 Connect the InstaCal Module to the RF Out port as shown in Figure 2 3 and press the ENTER key Figure 2 3 InstaCal Module Verificatio...

Страница 16: ...matically calibrates the instrument by using the OSL procedure If the Site Master senses that the characterization data for the InstaCal Module that is connected to this Site Master is different than the characterization data that is currently stored then it displays soft key options to keep or to replace the InstaCal characterization data Pressing the YES soft key transfers all of the characteriz...

Страница 17: ... output level of 0 dBm 5 On the Site Master press the MODE key Use the Up Down arrow key to highlight Spectrum Analyzer and press ENTER to select spectrum analyzer mode 6 Press the AMPLITUDE key and the Ref Level soft key 7 Enter 20 and press the ENTER key to set the Reference Level to 20 dBm 8 Press the FREQ DIST key and the Center soft key 9 Enter 1000 and press ENTER to set the center frequency...

Страница 18: ...TER to set the resolution bandwidth to 100 Hz c Press the VBW Manual soft key and use the Up Down arrow key to select 30 Hz Press ENTER to set the video bandwidth to 30 Hz 12 Press the MARKER key then the M1 soft key 13 Press the Edit soft key and use the Up Down arrow key to center the marker on the waveform Record the frequency in Table A 3 Spectrum Analyzer Frequency Accuracy on page A 3 ...

Страница 19: ...T key and the Center soft key 9 Enter 1000 and press the ENTER key to set the center frequency to 1000 MHz 10 Press the Span soft key and enter 0 1 Press the ENTER key to set the span to 0 100 MHz 11 Press the AMPLITUDE key 12 Press the Ref Level soft key and enter 27 Press ENTER to set the reference level to 27 dBm 13 Press the MARKER key then the M1 soft key 14 Press EDIT and enter 1000 Press EN...

Страница 20: ...hown in Figure 2 5 2 Connect one end of the 50 MHz Low Pass Filter to the output of the source and the other end to the Site Master Spectrum Analyzer RF Input with the coaxial cable 3 On the Site Master press and hold the ESCAPE CLEAR key then press the ON OFF key to turn on the Site Master This sets the instrument to the factory preset state 4 Set the Synthesized Signal Generator output to 40 MHz...

Страница 21: ...y to select 3 kHz Press ENTER to set the video bandwidth to 3 kHz 17 Press the MARKER key then the M1 soft key 18 Press the Edit soft key then enter 40 Press the MHz soft key to set M1 to 40 MHz 19 On the Synthesized Signal Generator adjust the output level so that the M1 reading of Site Master Spectrum Analyzer is 30 dBm at 40 MHz 20 On the Site Master press the FREQ DIST key and then the Center ...

Страница 22: ...s the ENTER key to set the Reference Level to 27 dBm 8 Press the Scale soft key and enter 3 then press ENTER 9 Press the FREQ DIST key and the Center soft key 10 Enter 1 and press the GHz soft key to set the center frequency to 1 GHz 1 MHz RBW Test 1 Press the Span soft key enter 1 5 and press the MHz soft key to set the span to 1 5 MHz 2 Press the MEAS DISP key and the Bandwidth soft key 3 Press ...

Страница 23: ...able A 6 10 kHz RBW Test 1 Press the FREQ DIST key 2 Press the Span soft key enter 15 and press the kHz soft key to set the span to 15 kHz 3 Press the MEAS DISP key and the Bandwidth soft key 4 Press the RBW Manual soft key and use the Up Down arrow key to select 10 kHz Press ENTER to set the resolution bandwidth to 10 kHz and press BACK 5 Press the VBW Manual soft key and use the Up Down arrow ke...

Страница 24: ... DISP key and the Bandwidth soft key 4 Press the RBW Manual soft key and use the Up Down arrow key to select 1 kHz Press ENTER to set the resolution bandwidth to 300 Hz and press BACK 5 Press the Measure soft key then the MARKER key 6 Press the M2 soft key Record the Δ2 frequency in Table A 6 100 Hz RBW Test 1 Press the FREQ DIST key 2 Press the Span soft key enter 150 and press the Hz soft key to...

Страница 25: ...692x Synthesized Signal Generator Power Meter Anritsu Model ML2438A Power Sensor Anritsu Model MA2442D Power Splitter Aeroflex Weinschel Model 1870A Fixed Attenuator Aeroflex Weinschel Model 44 10 Fixed Attenuator Aeroflex Weinschel Model 44 30 RF Coaxial Cable Anritsu Model 15NN50 1 5C Adapter Anritsu Model 34RKNF50 Adapter Anritsu Model 34NN50A Site Master S312D Figure 2 6 Spectrum Analyzer Leve...

Страница 26: ...t Sensor A from the Synthesized Signal Generator output 9 Connect the power splitter to the Synthesized Signal Generator output and connect Sensor B to one of the power splitter output connections Install the 10 dB Fixed Attenuator to the other power splitter output connection and then connect Sensor A to the end of the Attenuator Refer to Figure 2 6 10 Record the new Sensor A reading in column B ...

Страница 27: ...Hz Press ENTER to set the video bandwidth to 100 Hz 23 Press the FREQ DIST key 24 Press the Span soft key and enter 0 10 then press the MHz key to set the span to 0 10 MHz 25 Press the AMPLITUDE key 26 Press the Ref Level soft key enter 10 and press the ENTER key to set the reference level to 10 dBm 27 Press the FREQ DIST key and the Center soft key 28 Enter 30 and press the MHz soft key to set th...

Страница 28: ... corresponding Desired Sensor B Reading for 0 dBm as calculated and recorded in Table A 8 Spectrum Analyzer Level Accuracy Verification with Frequency Test Settings on page A 5 31 On the Site Master press the MARKER key then the M1 soft key 32 Press the Marker To Peak soft key to position the marker at the center of the response for the test frequency 33 Record the M1 reading in Table A 9 Spectrum...

Страница 29: ...ER to set the resolution bandwidth to 1 kHz 9 Press the VBW Manual soft key and use the Up Down arrow key to select 100 Hz Press ENTER to set the video bandwidth to 100 Hz 10 Press the FREQ DIST key 11 Press the Span soft key and enter 0 10 then press the MHz soft key to set the span to 0 10 MHz 12 Press the AMPLITUDE key 13 Press the Ref Level soft key enter 10 and press the ENTER key to set the ...

Страница 30: ...28 Calculate the Splitter Attenuator Combined Loss by using the following formula and then record the result in column C of Table A 12 C A B 29 Calculate the Sensor B Path Power Splitter Loss by using the following formula and then record the result in column E of Table A 12 E A D 30 Calculate the desired Sensor B Reading for Test Power Level 50 dBm by using the following formula Desired Sensor B ...

Страница 31: ...the value of the marker in Table A 11 Spectrum Analyzer Level Accuracy with Power on page A 7 Verify that the M1 reading is within the specification from the input signal 37 Repeat Step 33 through Step 36 for Test Power Levels of 53 dBm and 60 dBm Figure 2 9 Spectrum Analyzer Level Accuracy Verification Test Setup 30 dB Attenuator Note Change the reference level as indicated in Table A 11 for the ...

Страница 32: ... the Reference Level to 75 dBm If AMP is not showing in the lower left of the display set Preamp to ON 6 Press the Scale soft key and enter 5 then press ENTER 7 Press the MEAS DISP key and the Bandwidth soft key 8 Press the RBW Manual soft key and use the Up Down arrow key to select 10 kHz Press ENTER to set the resolution bandwidth to 10 kHz 9 Press the VBW Manual soft key and use the Up Down arr...

Страница 33: ...ey to set the stop frequency to 1600 MHz 1 6 GHz 25 Wait until one full sweep is complete 26 Press the MARKER key and turn on M1 Record the M1 reading in Table A 13 Verify that it is 90 dBm Note If a spur with an amplitude larger than 80 dBm occurs then wait another full sweep and observe whether the spur occurs at the same point on the second sweep If the spur does not occur at the same point on ...

Страница 34: ...l and set the Reference Level to 75 dBm 6 Press the MEAS DISP key and press Trace then Detection then press RMS Average 7 Press the MEAS DISP key and press Bandwidth then RBW Manual Set RBW to 10 kHz 8 Press the FREQ DIST key and set Start Frequency to 100 kHz and set Stop Frequency to 10 MHz 9 After the sweep has finished press the MARKER key and set M1 to Marker to Peak 10 Convert the marker rea...

Страница 35: ... Model 15NN50 1 5C Procedure 1 Set the Synthesized Signal Generator output to 1 GHz CW and the Level to 5 dBm 2 Power cycle the S312D while depressing the Escape Clear key to set to factory preset state Set the mode of the S312D to Power Monitor 3 On the power meter set the sensor calibration factor to 1 0 GHz 4 Connect the 560 7N50B detector power splitter MA2442D power sensor and other equipment...

Страница 36: ...y then press the Application Options soft key and then press the Bias Tee soft key 2 Press the Bias Tee Voltage soft key and enter 12 then press the ENTER key 3 Connect the 105 Ohm load to the RF In test port 4 Press the Bias Tee On Off soft key to turn on the Bias Tee 5 Verify the voltage and current readings displayed on the top left side of the screen are within the specifications that are list...

Страница 37: ... Site Master press and hold the ESCAPE CLEAR key then press the ON OFF key to turn on the Site Master This sets the instrument to the factory preset state 2 On the Site Master press the MODE key Use the Up Down arrow key to highlight Transmission Measurement and press ENTER to select Transmission Measurement mode 3 Press the MEAS DISP key and then press the Calibrate TM soft key 4 Connect the RF I...

Страница 38: ...odel MG3692x Synthesized Signal Generator Power Meter Anritsu Model ML2438A Site Master S312D Power Splitter Aeroflex Weinschel Model 1870A Power Sensor Anritsu Model MA2442D Fixed Attenuator Aeroflex Weinschel Model 44 10 Adapter Anritsu Model 34RKNF50 Adapter Anritsu Model 34NN50A RF Coaxial Cable Anritsu Model 15NN50 1 5C Figure 2 13 Power Meter Verification Option 29 Characterization Setup Sen...

Страница 39: ...vel on page A 9 8 Disconnect Sensor A from the Synthesized Signal Generator output 9 Connect the power splitter to the Synthesized Signal Generator output and connect Sensor B to one of the power splitter output connections Install the 10 dB Fixed Attenuator to the other power splitter output connection and then connect Sensor A to the end of the Attenuator Refer to Figure 2 13 10 Record the new S...

Страница 40: ...4 Set the Synthesized Signal Generator output to 50 MHz CW and adjust the power level so that the power meter displays the corresponding desired Sensor B Reading for 30 dBm as recorded in Table A 18 Power Meter Verification Option 29 30 dBm Test Power Level on page A 9 25 Record the measured value in Table A 19 Power Meter Verification Option 29 on page A 9 26 Repeat Step 21 through Step 24 for 10...

Страница 41: ...te the battery access door Figure 3 1 2 Lift up the access door handle and rotate it 90 counterclockwise as illustrated in Figure 3 1 3 Lift the door and remove as illustrated in Figure 3 1 4 Grasp the battery lanyard and pull the battery straight up and out of the instrument as illustrated in Figure 3 1 Note Many of the procedures in this section are generic and apply to many similar instruments ...

Страница 42: ...he Site Master or the charger is not in use disconnect it from the power source Do not charge batteries for longer than 24 hours Overcharging may shorten battery life If left unused a fully charged battery will discharge itself over time Temperature extremes affect the ability of the battery to charge Allow the battery to cool down or warm up as necessary before use or charging Discharge an NiMH b...

Страница 43: ...tery as described in Step 5 and Step 6 below and then recharge the battery as described in Step 1 and Step 2 If the battery capacity does not increase after a discharge charge cycle then replace the battery 5 Press the START CAL key to keep the Site Master from going into HOLD mode and make note of the test start time 6 When the Site Master display fades and the Site Master switches itself off mak...

Страница 44: ...airable exchange assemblies which should be returned to Anritsu promptly for credit AC adapters batteries LCDs keypad parts and non electrical parts are not exchange assemblies and need not be returned to Anritsu The Base Assembly consists of the main PCB and the spectrum analyzer assembly They are a matched set Failure of either assembly requires a new Base Assembly consisting of a main PCB with ...

Страница 45: ... the backing plate to the case 3 Lift up the backing plate The LCD often remains attached to the backing plate by the friction of the rubber gasket 4 Disconnect the flexible PCB from the LCD circuit board by pulling outward at each end of the connector with tweezers or other pointed tool 5 Lift the LCD away from the backing plate 6 Lift off the rubber cushion the keyboard PCB and the keypad membra...

Страница 46: ...ectrum analyzer board to the main PCB 4 The main PCB and spectrum analyzer assemblies are now separated 5 The Option 5 PCB must be removed if the main PCB has failed the spectrum analyzer has failed or Option 5 has failed Unplug the 4 pin connector on the Option 5 PCB that connects to the front panel refer to Figure 3 4 Remove the 3 screws holding the Option 5 PCB and remove the PCB It will be tra...

Страница 47: ...er to Figure 3 6 for the location This battery has a finite life span When sufficiently discharged the message RTC Invalid appears during the boot up self test When this message appears it is necessary to replace the RTC battery After replacing the battery reenter the date time and year under the Sys key menu to remove the RTC Invalid message Figure 3 5 S312D Spectrum Analyzer PCB Figure 3 6 RTC B...

Страница 48: ...3 7 RTC Battery Information Removal and Replacement 3 8 PN 10580 00195 Revision B S312D MM ...

Страница 49: ...n be used to record the performance of the S312D Please make a copy of the following Test Record pages and document the measured values each time a Performance Verification is performed Continuing to document this process each time it is performed provides a detailed history of the instrument s performance ...

Страница 50: ... Revision ________________ Operator ________________ Date ______________ Serial Number ________________ Options ___________________________________________________ Table A 1 VNA Frequency Accuracy Measured Value Specifications Hz 1000 MHz 75 kHz Hz 1000 MHz 75 kHz Table A 2 VNA Return Loss Verification Offset Measured Min Value Min Specification Measured Max Value Max Specification 20 dB dB 21 7 d...

Страница 51: ...vision ________________ Operator ________________ Date ______________ Serial Number ________________ Options ___________________________________________________ Table A 3 Spectrum Analyzer Frequency Accuracy Measured Value Specifications Hz 1000 MHz 2 kHz Hz 1000 MHz 2 kHz Table A 4 Spectrum Analyzer Phase Noise Verification Reading Delta 2 Delta 3 Specification 1 dBc dBc 2 dBc dBc 3 dBc dBc 4 dBc...

Страница 52: ..._________________________ Table A 5 Spectrum Analyzer Input Related Spurious Response Verification M1 M1 30 dB Specification dBc dBc 40 dBc Table A 6 Spectrum Analyzer Resolution Bandwidth Accuracy Verification RWB Setting Lower Limit Measured Delta 2 Value Upper Limit 1 MHz 0 95 MHz MHz 1 05 MHz 300 kHz 285 kHz kHz 315 kHz 100 kHz 95 kHz kHz 105 kHz 30 kHz 28 5 kHz kHz 31 5 kHz 10 kHz 9 5 kHz kHz...

Страница 53: ...r Level Accuracy Verification Output Power Levels A B C D E Freq MHz Sensor A Reading at Source Output Sensor A Reading at Attenuator End Splitter Attenuator Combined Loss Sensor B Reading at Power Splitter Sensor B Path Power Splitter Loss 30 dBm dBm dBm dBm dBm 50 dBm dBm dBm dBm dBm 550 dBm dBm dBm dBm dBm 1000 dBm dBm dBm dBm dBm 1244 dBm dBm dBm dBm dBm 1411 dBm dBm dBm dBm dBm 1580 dBm dBm d...

Страница 54: ...______ Options ___________________________________________________ Table A 9 Spectrum Analyzer Level Accuracy with Frequency Frequency Measured Value at 0 dBm Measured Value at 39 dBm Specification 30 MHz 1 5 dB 550 MHz 1 5 dB 1000 MHz 1 5 dB 1244 MHz 1 5 dB 1411 MHz 1 5 dB 1580 MHz 1 5 dB Table A 10 Spectrum Analyzer Level Accuracy with Power Test Settings Test Power Level at 50 MHz Calculated De...

Страница 55: ...fication Measured Marker M1 Reading 3 dBm 10 dBm 1 5 dB dBm 0 dBm 10 dBm 1 5 dB dBm 11 dBm 10 dBm 1 5 dB dBm 13 dBm 10 dBm 1 5 dB dBm 19 dBm 10 dBm 1 5 dB dBm 27 dBm 20 dBm 1 5 dB dBm 32 dBm 30 dBm 1 5 dB dBm 39 dBm 30 dBm 1 5 dB dBm 49 dBm 40 dBm 1 5 dB dBm 51 dBm 40 dBm 1 5 dB dBm 53 dBm 50 dBm 1 5 dB dBm 60 dBm 50 dBm 1 5 dB dBm Table A 12 Spectrum Analyzer Level Accuracy with Power Output Powe...

Страница 56: ...al Spurious Response Verification Frequency Range Measured Value M1 Specification 100 kHz to 10 MHz dBm 80 dBm 10 MHz to 1 0 GHz dBm 90 dBm 10 MHz to 1 6 GHz dBm 90 dBm Table A 14 Spectrum Analyzer Displayed Average Noise Level DANL Frequency Range Computed Value for 100 Hz RBW M1 20 dB Specification 100 kHz to 10 MHz dBm 115 dBm 10 MHz to 1 6 GHz dBm 135 dBm Table A 15 Power Monitor Verification ...

Страница 57: ...tion 29 Output Power Level A B C D E Freq MHz Sensor A Reading at Source Output Sensor A Reading at Attenuator End Splitter Attenuator Combined Loss Sensor B Reading at Power Splitter Sensor B Path Power Splitter Loss 50 dBm dBm dBm dBm dBm 1000 dBm dBm dBm dBm dBm 1580 dBm dBm dBm dBm dBm Table A 18 Power Meter Verification Option 29 30 dBm Test Power Level Frequency Desired Sensor B Reading for ...

Страница 58: ...Test Records A 10 PN 10580 00195 Revision B S312D MM ...

Страница 59: ...vided for those wishing to build their own test fixtures for the Option 10A verification test The part numbers referenced in the schematics are Anritsu part numbers Figure B 1 Anritsu Model T2904 High Current Test Fixture for Option 10A Figure B 2 Anritsu Model T3377 Low Current Test Fixture for Option 10A ...

Страница 60: ...Test Fixture Schematics B 2 PN 10580 00195 Revision B S312D MM ...

Страница 61: ......

Страница 62: ...Printed on Recycled Paper with Vegetable Soybean Oil Ink Anritsu Company 490 Jarvis Drive Morgan Hill CA 95037 2809 USA http www anritsu com ...

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