Tektronix PED3200 Series User Manual
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Tektronix PED3200 Series User Manual

Tektronix PED3200 Series User Manual

Programmable error detector
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PED3200/PED4000 Series
Programmable Error Detector
ZZZ
User Manual
*P077109500*
077-1095-00

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Summary of Contents for Tektronix PED3200 Series

  • Page 1 PED3200/PED4000 Series Programmable Error Detector User Manual *P077109500* 077-1095-00...
  • Page 3 PED3200/PED4000 Series Programmable Error Detector User Manual Revision A www.tektronix.com 077-1095-00...
  • Page 4 Copyright © Tektronix. All rights reserved. Licensed software products are owned by Tektronix or its subsidiaries or suppliers, and are protected by national copyright laws and international treaty provisions. Tektronix products are covered by U.S. and foreign patents, issued and pending. Information in this publication supersedes that in all previously published material.
  • Page 5 Tektronix, with shipping charges prepaid. Tektronix shall pay for the return of the product to Customer if the shipment is to a location within the country in which the Tektronix service center is located. Customer shall be responsible for paying all shipping charges, duties, taxes, and any other charges for products returned to any other locations.

  • Page 7: Table Of Contents

    Table of Contents Important safety information ..................General safety summary ..................Service safety summary ..................Terms in this manual ..................Symbols and terms on the product ................. Preface ......................Features ......................Documentation ....................Getting Started ...................... Installation ...................... Front panel controls and connectors ................Rear panel connectors ....................
  • Page 8 Table of Contents :INPut[2|4]:DELay[?] ..................:INPut[2|4]:POLarity[?]..................:MMEMory:STORe:PDATa ................. :MMEMory:STORe:STATe ................. :MMEMory:LOAD:PDATa ................. :MMEMory:LOAD:STATe .................. :MMEMory:MOVE:PDATa ................. :MMEMory:MOVE:STATe.................. :MMEMory:DELete:PDATa................. :MMEMory:DELete:STATe ................. :MMEMory:CATalog:PDATa? ................:MMEMory:CATalog:STATe?................:SENSe[1|3]:EYE:ALIGn:AUTO[?] ............... :SENSe[1|3]:EYE:OCENter[?]................:SENSe[1|3]:EYE:OFFSet[?]................:SENSe[1|3]:EYE:TCENter[?] ................:SENSe[1|3]:EYE:TEDGe?.................. :SENSe[1|3]:EYE:THReshold[?] ................:SENSe[1|3]:EYE:VEDGe? ................. :SENSe[1|3]:GATE:STATe[?] ................:SENSe[1|3]:PATTern:LENGth[?] ................:SENSe[1|3]:PATTern:TYPE[?]................:SENSe[1|3]:PATTern:PLENgth[?] ................. :SENSe[1|3]:PATTern:DATA[?]................
  • Page 9 Table of Contents Safety compliance .................... Environmental considerations ................Index List of Figures Figure 1: Front panel controls and connectors ..............Figure 2: Rear panel connectors .................. Figure 3: Verification setup, DC coupled instruments............Figure 4: Verification setup, AC coupled instruments............Figure 5: Block diagram ...................

  • Page 10: Important Safety Information

    Important safety information Important safety information This manual contains information and warnings that must be followed by the user for safe operation and to keep the product in a safe condition. To safely perform service on this product, additional information is provided at the end of this section.
  • Page 11 Important safety information Power disconnect. The power cord disconnects the product from the power source. See instructions for the location. Do not position the equipment so that it is difficult to operate the power cord; it must remain accessible to the user at all times to allow for quick disconnection if needed.

  • Page 12: Service Safety Summary

    Important safety information Provide a safe working environment. Always place the product in a location convenient for viewing the display and indicators. Avoid improper or prolonged use of keyboards, pointers, and button pads. Improper or prolonged keyboard or pointer use may result in serious injury. Be sure your work area meets applicable ergonomic standards.

  • Page 13: Symbols And Terms On The Product

    Important safety information Symbols and 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 hazard not immediately accessible as you read the marking. CAUTION indicates a hazard to property including the product.
  • Page 14 Important safety information viii PED3200/PED4000 Series Programmable Error Detector User Manual...

  • Page 15: Preface

    Preface Preface The Tektronix PED3200/PED4000 Series Error Detectors are instruments that accept a clock and an NRZ data stream. Given the contents of the expected data (PRBS or programmable user data), they can count errors and report the bit error ratio.

  • Page 16: Documentation

    Product datasheets (PDF versions only, downloadable from the Tektronix Web Site) Declassification & Security instructions (PDF versions only, downloadable from the Tektronix Web Site) Check the Tektronix Web Site for additional product documentation at www.Tektronix.com. PED3200/PED4000 Series Programmable Error Detector User Manual...

  • Page 17: Getting Started

    Getting Started Installation The error detector was carefully inspected electrically and mechanically before shipment. After unpacking all items from the shipping carton, check for any obvious signs of physical damage that may have occurred during transit (there may be a protective film over the display, which can be removed). Report damage to the shipping agent immediately.

  • Page 18: Table 2: Maximum Operating Environmental Considerations

    Getting Started Ventilation The instrument has four fans in the rear, as well as cooling vents on the bottom and side panels to keep it from overheating. CAUTION. Inadequate ventilation can damage the instrument; to avoid damaging the instrument, observe the following precautions: Do not block the cooling vents.

  • Page 19: Front Panel Controls And Connectors

    Front panel controls and connectors Front panel controls and connectors The following illustration and table describe the front panel controls and connectors of the PED3200/PED4000 Series Error Detectors. The PED3201/PED4001 are single channel instruments; the PED3202/PED4002 are two-channel instruments. Figure 1: Front panel controls and connectors Table 3: Front panel controls and connectors Item Description...

  • Page 20: Rear Panel Connectors

    Rear panel connectors Rear panel connectors The following illustration and table describe the rear panel controls and connectors of the PED3200/4000 Series Error Detectors. Figure 2: Rear panel connectors Table 4: Rear panel connectors Item Description AC line receptacle Connect the appropriate power cord here. Fuse holder Line fuse, 5 x 20 mm, 2 A, 250 V SLO BLO USB Connection...

  • Page 21: Functional Verification

    ‘+’ side of all differential connections; the ‘-‘ side can be tested in the same manner. You will need the following equipment to complete the functional checks: Programmable Pulse Pattern Generator. A Tektronix PPG3000 or PPG3200 series instrument is recommended. PED3200/PED4000 Series Error Detector High-speed cable assemblies.

  • Page 22: Figure 3: Verification Setup, Dc Coupled Instruments

    Functional verification Figure 3: Verification setup, DC coupled instruments Figure 4: Verification setup, AC coupled instruments PED3200/PED4000 Series Programmable Error Detector User Manual...

  • Page 23: Power On And Verify Instrument Operation

    Functional verification Power on and verify instrument operation The following steps assume that the instrument is connected as shown in one of the verification setups shown in previous illustrations. NOTE. For DC coupled instruments connect the SE DC threshold adjustment output to the inverting data input.
  • Page 24 Functional verification 7. Confirm that SYNC STATUS is SYNCED. 8. Select START. 9. The display will show that the bit counting starts and error counting begins. NOTE. The clock and data will remain aligned as long as there is a stable phase relationship between the pattern source and the error detector.

  • Page 25: Input And Output Descriptions

    Input and output descriptions Input and output descriptions RF connector interface RF connectors All front panel RF connections are 2.4 mm (K type) or SMA. Connector torque Recommended: 7-10 in-lbs (0.791-1.130 N-m) specifications Maximum: 15 in-lb (1.695 N-m) Data input and /Data input These are the primary inputs to the unit.

  • Page 26: Key Terminology

    Input and output descriptions Key terminology Sampling point The sampling point is where in the eye the sample is taken, on both the time and the voltage axis. The threshold output may be used to adjust the sample point voltage level for single-ended applications. Synchronization Synchronization is the process of aligning the internal error detector pattern with the incoming data stream.

  • Page 27: Graphical User Interface (Gui) Touch Screen

    Graphical user interface (GUI) touch screen Graphical user interface (GUI) touch screen This unit is equipped with touch screen controls. All manual settings are accessed through this user interface. An example of the GUI is shown in the following figure. Figure 6: PED3200 instrument with graphical user interface The following table lists where to find various parameters within the menu structure.

  • Page 28: Graphical User Interface Command Set Overview

    Graphical user interface (GUI) touch screen Graphical user interface command set overview Clock delay This parameter controls a delay applied to the clock signal relative to the data signal. This allows adjustment of the sampling point. The clock delay can set manually or automatically by CENTER DELAY.

  • Page 29: Product Specifications

    Product specifications All specifications apply to all models unless noted otherwise. Data input There is a true and a complement output for each channel. Specifications apply to each output individually. Data rate Range (PED3200). 3 Gb/s to 32 Gb/s Range (PED4000). 4 Gb/s to 40 Gb/s DC coupled input option Ground referenced CML like input.

  • Page 30: Threshold Output

    Product specifications Threshold output Output voltage DC voltage terminated 50 Ω to ground Range. -0.5 V to 0.125 V Sampling point set points Eye edge BER threshold Range. 1e-1 to 1e-11 Resolution. 1e-1 Sync BER threshold Range. 1e-1 to 1e-8 Resolution.

  • Page 31: Data Patterns

    Product specifications ESD sensitivity 1000 V, Human body model (HBM) Data patterns Pattern type Data (from memory) or PRBS. Length and type are individually settable on each channel. PRBS pattern lengths -1 bits. Polynomial = X -1 bits. Polynomial = X -1 bits.

  • Page 32: Programming The Instrument

    Programming the instrument Programming the instrument Remote programming USB interface All automated programming is accomplished through a USB TMC interface. Command information Sequential vs. Overlapped Except for the following list, all commands are sequential commands. Sequential commands complete before the next is executed. This means that completion of any command can be verified by following it with any query.

  • Page 33: Common Commands

    *RST Reset Command Reference *IDN? Read the instrument’s identification string. The returned string has the following format: “Tektronix Inc., PED3200, SN,FWREV” where: PED3200 = PED3200 series SN = serial number FWREV = firmware revision The returned string can be up to 72 characters long.

  • Page 34: Command Subsystems

    Programming the instrument Command subsystems A SENSe and an INPut subsystem can apply to a given input port. The INPut subsystem sets the input port parameters that condition the input signal while the SENSe subsystem sets parameters that define the expected input signal. An OUTPut and a SOURce subsystem can apply to a given output port.

  • Page 35: Regular Commands

    Programming the instrument Regular commands Command Parameter Default Description Page FETCh Subsystems FETCh: [:SENSe[1|3]] :ECOunt[:ALL][:FULL][:TOTAL]? <numeric> query total # of (See page 22.) errors since the start of the gate period :ERATio[:ALL][:FULL][:TOTAL]? <numeric> query total error (See page 22.) ratio since the start of the gate period :SENSe[2|4]:BCOunt? <numeric>...
  • Page 36 Programming the instrument Command Parameter Default Description Page :DELete :PDATa <string> delete stored (See page 26.) pattern data file in system memory :STATe <string> delete instrument (See page 26.) settings file in system memory :CATalog :PDATa get list of stored (See page 26.) pattern data files in system memory...
  • Page 37 Programming the instrument Command Parameter Default Description Page :TYPE[?] DATA | PRBS PRBS set/query Pattern (See page 32.) type :PLENgth[?] <numeric> set/query PRBS (See page 33.) length <numeric>, 1000… :DATA[?] set/query Pattern (See page 34.) <numeric>, Data <arbitrary block> :HDATa[?] <numeric>, 1000…...

  • Page 38: Command Reference

    Command reference Command reference :FETCh[:SENSe[1|3]]:ECOunt[:ALL][:FULL][:TOTal]? Form Query Parameters Numeric. Description Queries the total number of errors accumulated since the start of the gate period. If the gate period is in progress, the measurement will be an interim measurement. If the gate period has ended, the result is retained until the start of the next gate period.

  • Page 39: Input[2|4]:Delay[?]

    Command reference :INPut[2|4]:DELay[?] Form Set & Query Parameters Numeric Value Coupling Value is changed by Center Clock Delay and Auto Align processes. Range Coupling None Default Description Programs the delay of the clock signal relative to the data signal, in seconds. Larger positive values indicate more delay of the clock relative to the data.

  • Page 40: Mmemory:store:state

    Command reference :MMEMory:STORe:STATe Form Parameters String Value Coupling None Range Coupling None Default Description Store the instrument setting into the system memory. Every parameter of the instrument is stored except for pattern data, pattern length and output enable status. The name of the file can be up to 8 characters long and is not case-sensitive.

  • Page 41: Mmemory:load:state

    Command reference :MMEMory:LOAD:STATe Form Parameters String Value Coupling None Range Coupling None Default Description Recalls the instrument setting from a saved file in system memory. Every parameter of the instrument is recalled except for pattern data, pattern length, and output enable status. The name of the file can be up to 8 characters long and is not case-sensitive.

  • Page 42: Mmemory:delete:pdata

    Command reference :MMEMory:DELete:PDATa Form Parameters String Value Coupling None Range Coupling None Default Description Deletes an existing saved pattern data file in system memory. The name of the file can be up to 8 characters long and is not case-sensitive. Filenames must consist of alphanumeric characters only. Example Delete the existing pattern data file PATT0101.

  • Page 43: Mmemory:catalog:state

    Command reference :MMEMory:CATalog:STATe? Form Query Parameters None Description Get the list of instrument settings files stored in system memory. All the filenames stored in the system memory are returned as capital letters Example Get the list of instrument settings files stored in system memory. :MMEM:CAT:STAT? :SENSe[1|3]:EYE:ALIGn:AUTO[?] Form...

  • Page 44: Sense[1|3]:Eye:ocenter[?]

    Command reference :SENSe[1|3]:EYE:OCENter[?] Form Set & Query Parameters Set: ONCE | ABORT Query: OK | ERROR | BUSY Value Coupling Can change the offset value. None Range Coupling Default Description Initiates the center offset process or queries the process status. This command is available on instruments with the AC option only.

  • Page 45: Sense[1|3]:Eye:offset[?]

    Command reference :SENSe[1|3]:EYE:OFFSet[?] Form Set & Query Parameters Numeric Value Coupling None Range Coupling None Default Description Programs the data offset voltage. This command is available on instruments with AC option only. For instruments without the AC option, see the command “:SOURce[1|2]:VOLTage[:LEVel][:IMMediate][:AMPLitude]”.

  • Page 46: Sense[1|3]:Eye:tedge

    Command reference :SENSe[1|3]:EYE:TEDGe? Form Query Parameters <edge_num> <edge_num> is numeric and specifies which edge of the eye. It is 1 for the left (first) edge, and 2 for the right (second) edge. The response is Numeric. Description Queries the left or right (time axis) eye edges as determined during the most recent automatic process that sets the horizontal sampling point.

  • Page 47: Sense[1|3]:Eye:vedge

    Command reference :SENSe[1|3]:EYE:VEDGe? Form Query Parameters <edge_num> <edge_num> is numeric and specifies which edge of the eye. It is 1 for the bottom edge, and 2 for the top edge. The response is Numeric. Description Queries the bottom or top (voltage axis) eye edges as determined during the most recent automatic process that sets the vertical sampling point.

  • Page 48: Sense[1|3]:Pattern:length[?]

    Command reference :SENSe[1|3]:PATTern:LENGth[?] Form Set & Query Parameters Numeric Value Coupling None Range Coupling None Default Description Programs the Pattern Length. This value is only relevant if the pattern type is DATA. For a single channel instrument, the length can be any integer from 2 through 4,194,304. In a two channel instrument, the maximum pattern length per channel is 2,097,152 Example Set Ch1 pattern length to 56.

  • Page 49: Sense[1|3]:Pattern:plength[?]

    Command reference :SENSe[1|3]:PATTern:PLENgth[?] Form Set & Query Parameters 7 | 9 | 11 | 15 | 23 | 31 Value Coupling None Range Coupling None Default Description Programs the Pattern PRBS Length. PRBS Length is specified as 2 -1, where N is the specified value.

  • Page 50: Sense[1|3]:Pattern:data[?]

    Command reference :SENSe[1|3]:PATTern:DATA[?] Form Set & Query Parameters <start address>, <bit count>, <data> <start address> > is numeric, and is the bit number in pattern data memory of the first bit to write. <bit count> is the number of bits to write into pattern data memory. <data>...

  • Page 51: Sense[1|3]:Pattern:hdata[?]

    Command reference :SENSe[1|3]:PATTern:HDATa[?] Form Set & Query Parameters <start address>, <bit count>, <data> <start address> > is numeric, and is the bit number in pattern data memory of the first bit to write. <bit count> is the number of bits to write into pattern data memory. <data>...

  • Page 52: Sense[1|3]:Sync:execute[?]

    Command reference :SENSe[1|3]:SYNC:EXECute[?] Form Set & Query Parameters Set: ONCE | ABORT Query:OK | ERROR | BUSY Value Coupling None None Range Coupling Default Description Initiates the synchronization process or queries the process status. For the command form: SENS[1|3]:SYNC ONCE begins the synchronization process. SENS[1|3]:SYNC ABORT stops a sync process.

  • Page 53: Sense[1|3]:Sync:threshold[?]

    Command reference :SENSe[1|3]:SYNC:THReshold[?] Form Set & Query Parameters Numeric Value Coupling None Range Coupling None Default Description Programs the synchronization BER threshold. This is the maximum BER value for which a synchronization is considered successful. Also, in auto sync mode, the current BER is monitored and compared to this threshold.

  • Page 54: Source[1|2]:Voltage[:Level][:Immediate][:Amplitude][?]

    Command reference :SOURce[1|2]:VOLTage[:LEVel][:IMMediate][:AMPLitude][?] Form Set & Query Parameters Numeric Value Coupling None Range Coupling None Default Description Programs the voltage of the Threshold Output. This command is not available on instruments with AC option. For those instruments, see the command “:SENSe[1|3]:EYE:OFFSet”. To automatically optimize this value, see the command “:SOURce[1|2]:VOLTage[:LEVel]:CENTer”.

  • Page 55: System:error[:Next]

    Command reference :SYSTem:ERRor[:NEXT]? Form Query Parameters Numeric Value Coupling Range Coupling Default Description Queries the system error queue. Returns an integer representing the error number and a string in double quotes containing the error description. The integer and string are separated by a comma. The error queue can have multiple items that can be retrieved using multiple queries.
  • Page 56 Command reference PED3200/PED4000 Series Programmable Error Detector User Manual...

  • Page 57: User Service

    This section describes high-level service information and procedures for your instrument. Service offerings Tektronix provides service to cover repair under warranty and other services that are designed to meet your specific service needs. Whether providing warranty repair service or any of the other services listed below, Tektronix service technicians are well equipped to service your instruments.

  • Page 58: Preventive Maintenance

    User service Preventive maintenance Preventive maintenance mainly consists of periodic cleaning. Periodic cleaning reduces instrument breakdown and increases reliability. Clean the instrument as needed, based on the operating environment. Dirty conditions may require more frequent cleaning than computer room conditions. Clean the flat panel display The flat panel display is a soft plastic display and must be treated with care during cleaning.

  • Page 59: Fuse Replacement

    It is recommended that you arrange to have the instrument serviced if you experience a blown fuse. Repack the instrument for shipment If the instrument is to be shipped to a Tektronix service center for repair, attach a tag showing the following information: Name of the product owner...
  • Page 60 User service PED3200/PED4000 Series Programmable Error Detector User Manual...

  • Page 61: Compliance Information

    IEC 61000-4-6. Conducted RF immunity IEC 61000-4-11. Voltage dips and interruptions immunity EN 61000-3-2. AC power line harmonic emissions EN 61000-3-3. Voltage changes, fluctuations, and flicker European contact. Tektronix UK, Ltd. Western Peninsula Western Road Bracknell, RG12 1RF United Kingdom This product is intended for use in nonresidential areas only.

  • Page 62: Safety Compliance

    Compliance information Australia / New Zealand Complies with the EMC provision of the Radiocommunications Act per the following standard, in accordance with ACMA: Declaration of Conformity – EMC CISPR 11. Radiated and Conducted Emissions, Group 1, Class A, in accordance with EN 61326-1. Australia / New Zealand contact.
  • Page 63 Compliance information Pollution degree A measure of the contaminants that could occur in the environment around and within a product. Typically the internal environment inside a product is descriptions considered to be the same as the external. Products should be used only in the environment for which they are rated.

  • Page 64: Environmental Considerations

    This symbol indicates that this product complies with the applicable European Union requirements according to Directives 2012/19/EU and 2006/66/EC on waste electrical and electronic equipment (WEEE) and batteries. For information about recycling options, check the Tektronix Web site (www.tektronix.com/productrecycling). PED3200/PED4000 Series Programmable Error Detector User Manual...

  • Page 65: Index

    Index environmental considerations, 2 repackaging, 43 Environmental considerations, 48 repair service, 41 accessories, 1 Equipment recycling, 48 RF connectors, 9 auto align, 12 eye edge BER threshold, 12 Safety compliance, 46 battery information, 43 features, ix sampling point, defined, 10 flat panel display service offerings, 41 cleaning, 42...

This manual is also suitable for:

Ped4000 seriesPed3201Ped3202Ped4001Ped4002

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