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OI1125 E/O Transmitter Instruction Manual

Manufacturers cross index

Mfr.
code

Manufacturer

Address

City, state, zip code

26805

M/A COM OMNI SPECTRA INC

MICROWAVE CONNECTOR DIV
140 4TH AVE

WALTHAM, MA 02254

2W733

BELDEN WIRE & CABLE COMPANY

2200 US HWY 27 SOUTH
PO BOX 1980

RICHMOND, IN 47374

5F520

PANEL COMPONENTS CORP

PO BOX 115

OSKALOOSA, IA 52577–0115

80009

TEKTRONIX INC

14150 SW KARL BRAUN DR
PO BOX 500

BEAVERTON, OR 97077–0001

80126

PACIFIC ELECTRICORD CO

747 WEST REDONDO BEACH
PO BOX 10

GARDENA, CA 90247–4203

0B445

ELECTRI–CORD MFG CO INC

312 EAST MAIN STREET

WESTFIELD, PA 16950

0CKD9

FIBER INSTRUMENT SALES INC

161 CLEAR ROAD

ORISKANY, NY 13424

0GZV8

HUBER & SUHNER INC

19 THOMPSON DRIVE

ESSEX JUNCTION, VT 05452–3408

TK2491

TEMPO–CAMARILLO

1340 FLYNN RD

CAMARILLO, CA 93012

TK2541

AMERICOR ELECTRONICS LTD

UNIT–H
2682 W COYLE AVE

ELK GROVE VILLAGE, IL 60007

TK2548

XEROX CORPORATION

14181 SW MILLIKAN WAY

BEAVERTON, OR 97005

TK6184

GOULD FIBER OPTICS

1121 BENFIELD RD

MILLERSVILLE, MD 21108

Содержание OI1125

Страница 1: ...1052 00 Warning The servicing instructions are for use by qualified personnel only To avoid personal injury do not perform any servicing unless you are qualified to do so Refer to all safety summaries...

Страница 2: ...and foreign patents issued and pending Information in this publication supercedes that in all previously published material Specifications and price change privileges reserved Tektronix Inc P O Box 50...

Страница 3: ...charges for products returned to any other locations This warranty shall not apply to any defect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall...

Страница 4: ......

Страница 5: ...ls 14 Using the Rear Panel Remote Interface 15 Specifications 19 Laser Safety Label 23 Theory of Operation 27 Performance Verification 31 Prerequisites 32 Equipment Required 32 Setup For PV 33 Interna...

Страница 6: ...pinout 16 Figure 10 Laser warning label 23 Figure 11 Transmitter interconnect diagram 27 Figure 12 Setup for the output power test 34 Figure 13 Setup for the output wavelength test 35 Figure 14 Setup...

Страница 7: ...11 Test equipment 32 Table 12 Signal conditioning mode settings 38 Table 13 Signal conditioning mode settings 45 Table 14 Measurement function menu paths 46 Table 15 Signal conditioning mode settings...

Страница 8: ...Table of Contents iv OI1125 E O Transmitter Instruction Manual...

Страница 9: ...nnections to the input or output terminals of the product ensure that the product is properly grounded Observe All Terminal Ratings To avoid fire or shock hazard observe all ratings and markings on th...

Страница 10: ...his product or other property Terms on the Product These terms may appear on the product DANGER indicates an injury hazard immediately accessible as you read the marking WARNING indicates an injury ha...

Страница 11: ...E O Transmitter Instruction Manual vii Preface This is the instruction manual for the OI1125 E O Transmitter This manual provides user information and performance verification procedures for the inst...

Страница 12: ...x com Sales support 1 800 833 9200 select option 1 Service support 1 800 833 9200 select option 2 Technical support Email techsupport tektronix com 1 800 833 9200 select option 3 6 00 a m 5 00 p m Pac...

Страница 13: ...m with the OI2125 O E Receiver to convert the optical signal from a DUT Device Under Test to an electrical signal used by a BERT Using the transmitter and receiver combined with a BERT you can test th...

Страница 14: ...ovides factory calibration certification on delivery plus two more years of calibration coverage Throughout the coverage period the instrument will be calibrated according to its Recommended Calibrati...

Страница 15: ...er Safety Interlock 131 7350 00 50 W terminator preinstalled 015 1022 01 FC APC adapter preinstalled 119 5115 00 Optical connector cleaning kit 006 8217 00 Instruction manual 071 1052 XX Certificate o...

Страница 16: ...tions Leave at least 5 1 cm 2 inches free on each side 3 Check that you have the proper electrical connections The OI1125 E O Transmitter requires 100 to 240 VACRMS 10 47 Hz to 63 Hz 40 W 4 Connect th...

Страница 17: ...e the protective dust cover on the modulator output or connect an optical cable from the modulator output to your system or measurement instrument To power on the OI1125 E O Transmitter first verify t...

Страница 18: ...l input oscilloscope capable of measuring single mode optical signals in the 1550 nm band at data rates up to 12 50 Gb s H A 50 W SMA cable to connect the pattern generator divided clock output as an...

Страница 19: ...e transmitter laser by turning the keyswitch clockwise to the unlocked position The Laser On LED and Laser Output Active LED light 10 On the oscilloscope press Autoset and then adjust the horizontal s...

Страница 20: ...Getting Started 8 OI1125 E O Transmitter Instruction Manual...

Страница 21: ...Transmitter electrical input uses a high performance SMA connector Never attach a cable that has a worn or damaged connector because this may damage the OI1125 connector Use extra care when attaching...

Страница 22: ...s is included with the transmitter Use the patch cord when connecting the internal laser output to the modulator laser input To attach a fiber optic cable with FC APC connectors to FC APC input recept...

Страница 23: ...uency connectors Tektronix recommends the SMA cable that ships as a standard accessory with the transmitter for use with this connector LASER IN This port can be driven by the internal laser or by a u...

Страница 24: ...is stable When you power on the transmitter the Internal Laser Active LED may flash momentarily while the internal laser power level and temperature stabilize This LED may also flash momentarily when...

Страница 25: ...terclockwise posititon the key can be removed from the keyswitch to lock out operation of the internal laser The On LED illuminates when the keyswitch is rotated clockwise to the on position and the l...

Страница 26: ...laser This input can be used for low frequency modulation of the laser bias current The remote interface allows for remote control of some of the instrument functions For example you can disable the i...

Страница 27: ...interlock plugged into the remote connector on the rear panel The laser safety interlock connects pins 1 and 2 of the remote interface together forcing the laser disable signal low which activates the...

Страница 28: ...owing parameters H Laser lockout laser power and temperature monitoring H Variable extinction ratio enable disable and adjust H Modulator input detect and bias stability monitoring H Variable waveleng...

Страница 29: ...is not in the calibrated gain state When this signal is high the Modulator Driver is in the calibrated state and the ER Adjust Control signal is disabled This signal is active in Remote mode only 12 E...

Страница 30: ...Operating Basics 18 OI1125 E O Transmitter Instruction Manual...

Страница 31: ...oltage range of 0 25 to 1 50 Vp p except where noted Maximum AC t2 Vp p Maximum DC t 10 V Input Impedance 50 W AC coupled Input Electrical Return Loss u10 dB 100 MHz to 8 GHz Input Duty Cycle 45 to 55...

Страница 32: ...tput Power Stability t 0 02 dB over a one hour period at 25 C 5 C Output Return Loss u45 dB Output Connector FC APC with internal Panda type PMF fiber and safety cover Spectral Width t10 MHz Side Mode...

Страница 33: ...to 350 Hz then falls at 3 dB octave from 350 to 500 Hz to 0 007 g2 Hz 500 Hz Random vibration operating 0 31 g RMS from 5 to 500 Hz 10 minutes each axis Tektronix Standard 062 2858 00 rev B Random Vib...

Страница 34: ...no change to control settings no impairment of normal operation and no damage that prevents recovery of normal operation by the user Immunity fast transients electrical No loss of stored data change t...

Страница 35: ...1010 1 EC Declaration of Conformity Low Voltage Compliance was demonstrated to the following specification as listed in the Official Journal of the European Communities Low Voltage Directive 73 23 EE...

Страница 36: ...Specifications 24 OI1125 E O Transmitter Instruction Manual...

Страница 37: ...re for use only by qualified personnel To avoid injury do not perform any servicing other than that stated in the operating instructions unless you are qualified to do so Refer to all safety summaries...

Страница 38: ......

Страница 39: ...terface Power In On Off Switch Tx Board Power Cable Modulator Driver Gain Adjust DFB Laser Bias TE Cooler Circuit Modulator E O Tx Front Panel Board Extinction Ratio Adjust Gain Modulator Laser Out Bi...

Страница 40: ...the switch is turned on the AC line is connected to the power supply input The laser direct modulation input connector is an SMA connector that accepts a low frequency 10 MHz electrical signal This s...

Страница 41: ...electrical interface to the modulator requires both DC control and RF signal inputs The DC control input to the modulator is designed to maintain a quadrature bias condition for optimal output signal...

Страница 42: ...Theory of Operation 30 OI1125 E O Transmitter Instruction Manual...

Страница 43: ...PV checks Characteristic Specification Internal Laser Output Output Power Output Wavelength Calibrated Output Wavelength Variable Modulator Checks Jitter RMS Modulator Polarity Eye Pattern Test Matrix...

Страница 44: ...o your equipment and cables use the proper type optical connectors The optical connection styles shown in the test setups are correct for the equipment called out in Table 11 below If you use alternat...

Страница 45: ...le FC APC to FC PC Single mode 2 m Tektronix part number 174 4727 00 Attenuator electrical 6 dB 50 W SMA Tektronix part number 015 1001 00 Torque wrench 5 16 in 7 10 in lb 8 mm 79 to 112 N cm Pasterna...

Страница 46: ...ternal laser output to the optical power meter input using the FC APC to FC single mode cable See Figure 12 3 Enable the laser by turning the keyswitch clockwise to the unlocked position The Laser On...

Страница 47: ...avelength displayed on the meter is within the limits on the test record and record the wavelength on the test record 5 Push the Adj Enable switch to enable the adjustment knob the LED to the left of...

Страница 48: ...scope 4 Set the oscilloscope measurement parameters 5 Preview the waveform 6 Take measurements Test Setup 1 Connect the equipment as shown in Figure 14 A torque wrench is recom mended for securing the...

Страница 49: ...ears to the left of the digit to be changed The up and down arrow keys select the value of the digit selected d When you have the correct bit rate entered 2 48832 Gb s press Store and Edit to assign t...

Страница 50: ...user manual Oscilloscope Set the TDS8000 Vertical settings as follows NOTE Due to differences in oscilloscope firmware your setup steps may differ slightly 3 From the toolbar select Setup Vertical 4 C...

Страница 51: ...n in Figure 15 on page 40 NOTE You may need to adjust the location of the rising edge of the waveform and the size of the histogram box to have your display resemble Figure 15 Follow the procedure in...

Страница 52: ...ress the Clear Data button and then the Run Stop button on the oscilloscope to take a measurement The measured jitter value for the 2 488 Gb s rate is displayed in the window as shown in Figure 15 6 C...

Страница 53: ...the equipment setup as shown in Figure 14 on page 36 2 Set the BERT parameters 3 Set the oscilloscope measurement parameters 4 Preview the eye pattern 5 Take measurements BERT Set the BERT parameters...

Страница 54: ...set the Mode field to Short Term Jitter from the drop down menu 5 Select the Acq tab to set the acquisition parameters a In the Stop After box select Run Run Stop 6 Select the Trig tab to set the tri...

Страница 55: ...e eye pattern is vertically centered approximately around zero about a 50 duty cycle 3 Turn on the Data Crossing Point Adjust on the BERT 4 Turn the Data Crossing Point Adjust on the BERT to the fully...

Страница 56: ...l oscilloscope settings 4 Preview the Eye Pattern 5 Set the oscilloscope measurement parameters 6 Perform an oscilloscope compensation and dark level compensation 7 Take measurements The following par...

Страница 57: ...See Table 13 A filter is not used for the 12 50 Gb s data rate Instead set the Filter field to None and set the bandwidth to 12 50 GHz Table 13 Signal conditioning mode settings Data rate Gb s Wavele...

Страница 58: ...to 5 3 Select the Meas tab to set the measurement parameters Steps 3a through e assign measurement functions to generic oscilloscope measurement names For example you assign Extinction Ratio dB to Mea...

Страница 59: ...the Test Record 4 Select the Acq tab to set the acquisition parameters a In the Stop After box select Condition b In the Condition field select Number of Acquisitions from the drop down menu c Enter 3...

Страница 60: ...tion consult the instrument online help 3 Connect the optical cable to the oscilloscope Take Measurements The equipment is now set up for recording measurements in Table 18 in the Test Record 1 Press...

Страница 61: ...cable from the oscilloscope and perform another dark level compensation Reconnect the cable when the compensation is done 12 Disconnect the cable from the BERT output and connect the 2X attenuator to...

Страница 62: ...ameters 3 Set up the tunable laser 4 Set initial oscilloscope settings 5 Preview the eye pattern 6 Set the oscilloscope measurement parameters 7 Perform an oscilloscope compensation and dark level com...

Страница 63: ...he data for the first row in Table 19 in the Test Record As you progress through the tables you must change the bit rate of the BERT the laser wavelength and amplitude settings and the signal conditio...

Страница 64: ...other data rates See Table 15 A filter is not used for the 12 50 Gb s data rate Instead set the Filter field to None and set the bandwidth to 12 50 GHz Table 15 Signal conditioning mode settings Data...

Страница 65: ...to 5 3 Select the Meas tab to set the measurement parameters Steps 3a through e assign measurement functions to generic oscilloscope measurement names For example you assign Extinction Ratio dB to Mea...

Страница 66: ...hrough 21 in the Test Record 4 Select the Acq tab to set the acquisition parameters a In the Stop After box select Condition b In the Condition field select Number of Acquisitions from the drop down m...

Страница 67: ...ts the limits in Table 17 4 Adjust the tunable laser and BERT to the remaining wavelengths and power levels in the 1 5 V rows in Table 19 Repeat steps 1 through 3 to complete the 1 5 V rows in Table 1...

Страница 68: ...in Table 21 14 Repeat steps 1 through 4 for the 0 25 V rows in Table 20 after setting the filter field on the oscilloscope to OC 192 15 Repeat steps 1 through 4 for the 0 25 V rows in Table 19 after...

Страница 69: ...t Test name Internal Laser Output Output Power 9 dBm 11 dBm Wavelength calibrated 1550 82 nm 1551 02 nm Wavelength variable knob fully CCW 1549 82 nm Wavelength variable knob fully CW 1552 02 nm Modul...

Страница 70: ...er input BERT input 2 488 Gb s bit rate Wave length Optical Input Power BERT Amplitude Extinction Ratio Jitter p p Crossing Average Opti cal Power Mask hit 1530 nm 5 dBm 1 5 V 0 25 V 10 dBm 1 5 V 0 25...

Страница 71: ...e 21 External tunable laser input BERT input 12 50 Gb s bit rate Wave length Optical Input Power BERT Amplitude Extinction Ratio Jitter p p Crossing Average Opti cal Power Mask hit 1530 nm 5 dBm 1 5 V...

Страница 72: ...Performance Verification 60 OI1125 E O Transmitter Instruction Manual...

Страница 73: ...when operating the instrument Always keep the connectors on the instrument and optical cables covered with the protective caps when not in use Treat optical connections the same as you would a camera...

Страница 74: ...ors Repair or replace damaged or missing items frayed cables and defective modules Cleaning Optical Connectors To prolong the life of the optical connectors on your instrument observe the following ha...

Страница 75: ...ng careful to use a firm steady motion without tearing the tape The tip should be perpendicular to the tape surface for optimal results When the tip is perpendicular to the tape the tip will move smoo...

Страница 76: ...apler or strapping tape Contact the Service Center to get an RMA return material authorization number and any return or shipping information you may need If the instrument is being shipped to a Tektro...

Страница 77: ...FIBER DUAL ENDED FC APC PM WIDE KEY TK2491 2424 1P5 1F 3 119 5115 00 1 ADAPTER FC APC OPTICAL CONNECTOR APC 108 TK2491 APC 108 4 174 4727 00 1 CA ASSY SP SINGLEMODE FC PC TO FC APC 0 114 OD 2 METERS...

Страница 78: ...TER UCI OPTICAL CONNECTOR ADT UNI S8 DIN 2 TK2491 AD 108 DIN APC 2 119 5115 00 1 ADAPTER FC APC OPTICAL CONNECTOR APC 108 TK2491 APC 108 3 119 5116 00 1 ADAPTER SC APC OPTICAL CONNECTOR ASC 108 TK2491...

Страница 79: ...250V 10A 99 INCH STR IEC320 RCPT EUROPEAN 2W733 ORDER BY DESC 2 161 0066 10 1 CA ASSY PWR 3 1 0 MM SQ 250V 10A 2 5 METER STR IEC320 RCPT X 13A FUSED UK PLUG 13A FUSE UNI TK2541 ORDER BY DESC 3 161 006...

Страница 80: ...BRAUN DR PO BOX 500 BEAVERTON OR 97077 0001 80126 PACIFIC ELECTRICORD CO 747 WEST REDONDO BEACH PO BOX 10 GARDENA CA 90247 4203 0B445 ELECTRI CORD MFG CO INC 312 EAST MAIN STREET WESTFIELD PA 16950 0C...

Страница 81: ...ity of a digital transmission system BER is defined as BER Number of Errors Total Number of Bits BER is usually expressed as a negative exponent For example a BER of 10 7 means that on average 1 bit o...

Страница 82: ...ical dBmpower 10 log Po Pref Pref 1 mW 0 dBm dBlevel 10 log level reference dBpower 10log Pout Pref 10log V2 out R V 2ref R 20log Vout Vref V2ref 50ohm 1mW dBmpower 10log Po Pref Pref 1mW 0dBm dBm The...

Страница 83: ...can be detected Any data detected as being in error is either deleted from the data delivered to the destination with or without an indication that such deletion has taken place or delivered to the d...

Страница 84: ...A method of measurement optical interference by splitting an optical signal into two branches and manipulating one The two branches are then recombined producing variable optical interference for ana...

Страница 85: ...ern is used for telecommunications system testing Protocol Formal conventions that govern the format and control of signals in a communication process Pulse modulation The modulation of a series of pu...

Страница 86: ...on Boundary masks are used to define eye pattern limits generated by the optical waveforms Telecommunications The transmission or reception of signals by wire radio optical or other system Transmissio...

Страница 87: ...tely 16 D dB 70 dBm 70 Decibel 70 Demodulation 70 Deterministic jitter 70 DFB laser 70 Digital signal 71 Digital transmission system 71 Dispersion 71 E Electro optic effect 71 Error detection 71 Error...

Страница 88: ...n and Cleaning 61 64 Product support contact information viii Protocol 73 Pulse modulation 73 R Random jitter 73 Rear Panel Connections and Controls 14 Recovered clock 73 Refraction 73 Remote interfac...

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