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Tektronix 071-0060-00, Instruction Manual

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Performance Verification

16

ORR24 Instruction Manual

Rise Time and HF Aberrations

1. Connect the output of the optical impulse generator to the ORR24 optical

input through the optical attenuator.

2. Connect the trigger output of the optical impulse generator to the trigger

input of the digital sampling oscilloscope with a 50 

W, 5X electrical

attenuator in series with the trigger input.

3. Connect the ORR24 output to the digital sampling oscilloscope input using a

relatively short 50 

W cable (i.e. < 1 meter).

4. Set the optical source to the 1 MHz rate and low energy mode. Adjust the

optical attenuator so that the height of the impulse is about 200 mV

p-p

.

5. Set the digital sampling scope to 10 mV/div vertical scale, 100 ps/div

horizontal scale, 1024-point record length, and insure the entire impulse
waveform is within the display region. Shift the horizontal record so that the
start of the impulse is within the first two divisions of the horizontal scale on
the display.

6. Average the waveform a minimum of 256 times, and store the averaged

waveform.

7. Recall the stored waveform, and measure the mean signal level before the

start of the impulse (i.e. measure the average vertical offset in the record
length preceding the impulse; if the impulse generator is temporarily
disabled, then the average DC level of the entire record length can be used
instead).

8. Program the digital sampling oscilloscope to display the integral of the

stored waveform minus the mean signal level before the impulse.

9. Measure the rise time of the integrated impulse response and insure that it is

less than or equal to 205 ps. Record the rise time on the test record.

10. Turn on the horizontal bar cursors and set them at the 0 and 100% levels of

the waveform, using the level 500 ps after the 50% point of the step as 100%
level.  Record the difference between the two levels.

11. Now set the cursors on the minimum and maximum overshoot and under-

shoot points.  Record the difference of the two levels.  Divide the difference
voltage due to the aberrations by the step size and ensure that the result is
less or equal to 5%.  Record the actual percentage on the test record.

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Summary of Contents for 071-0060-00

Page 1: ...cess underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respect...

Page 2: ...Instruction Manual ORR24 Optical Reference Receiver 071 0060 00 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ...publication supercedes that in all previously published material Specifications and price change privileges reserved Printed in the U S A Tektronix Inc P O Box 1000 Wilsonville OR 97070 1000 TEKTRONIX and TEK are registered trademarks of Tektronix Inc Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 4: ...fect failure or damage caused by improper use or improper or inadequate maintenance and care Tektronix shall not be obligated to furnish service under this warranty a to repair damage resulting from attempts by personnel other than Tektronix representatives to install repair or service the product b to repair damage resulting from improper use or connection to incompatible equipment c to repair an...

Page 5: ...tion Services Service Assurance Advantages H Priced well below the cost of a single repair or calibration H Avoid delays for service by eliminating the need for separate purchase authorizations from your company H Eliminates unexpected service expenses For Information and Ordering For more information or to order Service Assurance contact your Tektronix representative and provide the information b...

Page 6: ... 7 Handling 7 Cleaning Optical Connectors 7 Connecting Signals 8 Attenuating Optical Signals 9 Specifications 10 Performance Verification 12 Equipment Required 12 Output Zero 13 DC Conversion Gain 14 Noise Equivalent Power 15 Rise Time and HF Aberrations 16 Bandwidth Frequency Response 17 Replaceable Parts 19 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg c...

Page 7: ...es If you suspect there is damage to this product have it inspected by qualified service personnel Do Not Operate in Wet Damp Conditions Do Not Operate in an Explosive Atmosphere Keep Product Surfaces Clean and Dry Terms in this Manual These terms may appear in this manual WARNING Warning statements identify conditions or practices that could result in injury or loss of life CAUTION Caution statem...

Page 8: ...Instruction Manual iii Symbols on the Product The following symbols appear on the product CAUTION Refer to Manual CAUTION Static Sensitive Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 9: ... 1 800 833 9200 select option 2 Technical support Email techsupport tektronix com 1 800 833 9200 select option 3 1 503 627 2400 6 00 a m 5 00 p m Pacific time This phone number is toll free in North America After office hours please leave a voice mail message Outside North America contact a Tektronix sales office or distributor see the Tektronix web site for a list of offices Artisan Technology Gr...

Page 10: ...eiver and the CSA 803 or 11800 series instruments can test the compliance of optical signals to specific SONET SDH standards An optional stand alone power supply is also available for the ORR24 Optical Reference Receiver see page 21 Figure 1 shows the front panel of the ORR24 Optical Reference Receiver Optical signal input connector FC PC Screw lock knob Electrical signal output connector SMA Gree...

Page 11: ...ing accessories are standard with every ORR24 Optical Reference Receiver H Hard case H Instructions H FC PC to FC PC 9 mm single mode fiber jumper H FC ST FC SC and FC FC hybrid connectors H Coaxial Cable SMA to SMA 50 W 2 ns delay H SMA terminator H Certificate of traceable calibration H Frequency response graph For a list of replaceable part numbers see page 19 Options The following options are ...

Page 12: ... 11800 Series Digital Sampling Oscilloscope or CSA 803 Communications Signal Analyzer or to connect it to the optional power supply for stand alone operation CAUTION The output of the Optical Reference Receiver and the input of the sampling head are subject to damage from electrostatic discharge ESD To prevent damage from ESD take the following precautions Always wear an anti static wrist strap wh...

Page 13: ...tch off the measurement instrument 2 Place the module in a compartment and slowly push it in with firm pressure 3 Once the module is seated turn the screw shaft on the plug in to tighten the module in place 4 Switch on the measurement instrument and check that all modules have power 5 Follow anti static precautions and connect the output of the Optical Reference Receiver to the input of the sampli...

Page 14: ... compartments but the sampling head must be installed in one of the two sampling head compartments on the right See Figure 2 ORR24 or sampling head ORR24 only power only compartments Figure 2 Front panel compartments in a CSA 803 Communications Signal Analyzer Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 15: ...onnect the ORR24 Optical Reference Receiver to the input of an SD 22 sampling head using the 015 0560 00 cable provided The ORR24 is designed for the electrical characteristics of the cable and the particular frequency response and low noise of the SD 22 Figure 3 Installation with optional power supply kit Optional Power Supply Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOU...

Page 16: ... not in use Replace the protective caps on the input and output connectors when the Optical Reference Receiver is not in use Cleaning Optical Connectors Small dust particles and oils can easily contaminate optical connectors and reduce or block the signal Take care to preserve the integrity your connectors by keeping them free of contamination CAUTION To prevent loss of optical power or damage to ...

Page 17: ...ls Attach the fiber optic cable with an FC PC connector to the FC PC input receptacle as follows 1 Carefully align the keyway on the receptacle with the key on the connector 2 Tighten the nut lightly with finger pressure only The input of the ORR24 Optical Reference Receiver can couple to optical fibers with a core diameter of up to 9 mm Alternate types can be coupled by use of an FC FC jumper and...

Page 18: ...signal to within the specified performance of 200 mWp p Example 1 You want to look at an OC 48 eye pattern signal whose average power un attenuated is about 2 dBm The average optical power of the 2 dBm signal is equal to 1584 mW 2 For optical signals with a 50 duty cycle the average power is approximately one half of the peak to peak swing for high extinction ratio signals This means that the peak...

Page 19: ...nto 50 W Frequency Response 20_ C to 35_ C Scalar frequency response of optical to electrical conversion as measured at the electrical output falls within the SONET OC 48 and SDH STM 16 2 488 Gb s industry standards Bessel Thompson reference receiver boundary limits 1 Maximum non saturating linear response to transient input The transient optical signal response is linear 5 up to 100 mW average op...

Page 20: ...35_ C Non operating 55_ C to 75_ C Humidity 75 non condensing Altitude Operating 4 572 m 15 000 ft Non operating 15 240 m 50 000 ft 0 30 0 40 0 50 0 60 0 70 0 80 0 90 1 00 1 10 1000 1200 1400 1600 Wavelength nanometers Relative conversion gain Figure 4 ORR24 relative responsivity normalized to 1310 nm Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 21: ...ion procedure The types and quantities of connectors may vary depending on the specific equipment you use Table 2 Test equipment Description Minimum requirements Example product Optical power meter with head and adapters Accuracy 2 5 resolution 5 pW Max power 1 mW cali brated from 700 nm 1600 nm HP 8153A with HP 811532 head 1310 nm cal source output 200 mW1 stability 0 1 dB over 5 minutes modulate...

Page 22: ... to FC female 131 5039 00 Low pass filter 1 GHz Mini Circuits SLP 1000 1 CW and modulated mode available modulation with OFF level at or below 0 1 mW optical falltime 1 ms NOTE To guarantee compliance with OC 48 boundary limits you must connect the ORR24 Optical Reference Receiver to the input of an SD 22 sampling head using the 015 0560 00 cable provided The ORR24 is designed for the electrical c...

Page 23: ...th FC connectors Use the appropriate optical power meter sensing head with calibrated measurement for a wavelength span including 1310 nm and 1550 nm Be sure the optical power meter wave length setting and optical attenuator setting is at 1310 nm Enable the optical output 3 Adjust attenuator or the optical source so that the optical power meter reads 200 mW 4 Move the FC fiber end the one now adju...

Page 24: ...ower 1310 nm conversion gain 12 Record the 1550 nm conversion gain on the test record Noise Equivalent Power Power the ORR24 under test using the digital sampling oscilloscope 1 Zero the RF power meter 2 Connect the ORR24 output channel to the RF power meter using a 1 GHz low pass filter in series 3 With the dust cover on the input to the ORR24 the RF power meter should read less than 15 pWopt ń H...

Page 25: ...es and store the averaged waveform 7 Recall the stored waveform and measure the mean signal level before the start of the impulse i e measure the average vertical offset in the record length preceding the impulse if the impulse generator is temporarily disabled then the average DC level of the entire record length can be used instead 8 Program the digital sampling oscilloscope to display the integ...

Page 26: ...t averaged impulse response 3 Using the available controller software i e Labview etc perform an FFT Fast Fourier Transform on the 1024 point impulse response this trans forms the time domain impulse response to a scalar frequency response 4 Check that the frequency response from DC to 2 GHz is greater than or equal to 6 dB where dB 20log Vlog Vdc or electrical power into 50 W Artisan Technology G...

Page 27: ...sured Maximum Output zero N A 1 mV DC conversion gain at 1310 nm 20 nm 0 500 V mWopt N A DC conversion gain at 1550 nm 20 nm 0 500 V mWopt N A Noise equivalent power N A _______Welec calculated Rise time N A 205 ps HF aberrations N A 5 P P total Bandwidth DC to 2 GHz 6 dB attach plot N A Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 28: ...placeable Parts For information about replaceable parts contact your Tektronix sales representa tive 1 2 3 Figure 5 ORR24 replaceable parts Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 29: ...struction Manual 1 2 3 4 5 Figure 6 Standard accessories 1 2 3 4 5 6 Figure 7 Optional accessories 1 2 3 4 5 Figure 8 Optional power cords Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 30: ...9 00 2 119 5118 00 1 ATTEN OPTICAL 30MM L10DBFOR 1310 1550NM FC CONN FA100 35 10 HP CTS710 0LK97 FA100 35 10 HP 3 015 0565 00 1 POWER DIVIDER 50 OHM 3 SMA FEMALE CONN 64537 D293S 015 1014 00 1 PWR DIVIDER RES 50 OHM SMA 64537 D241S 4 020 2209 00 1 ACCESSORY KIT CONNECTOR OPTICAL DIN TO FC SQUARE MOUNT ADAPTER 80009 020 2209 00 5 174 3737 00 1 FIBER OPTIC COUPLER 1 X 2 SPLITTER WAVELENGTH INDEPENDE...

Page 31: ...EROPTIC DIVISION 720 PALOMAR AVE SUNNYVALE CA 94086 0C5R7 ALCOA FUJIKURA LTD 150 RIDGEVIEW CIRCLE DUNCAN SC 29334 0GZV8 HUBER SUHNER INC 19 THOMPSON DRIVE ESSEX JUNCTION VT 05452 3408 0LK97 JDS FITEL INC 570 WEST HUNT CLUB RD NEPEAN ONTARIO CA ONTARIO K2G 5W8 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 ...

Page 32: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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