Equipment information

Tektronix SD-24 Oscilloscope
Manufacturer
Tektronix
Model SD-24
Date 1993
Category: Measurement instruments
Group Oscilloscope
Description TDR/Sampling Head Plugin-Unit
Information
                                    The SD-24 TDR/Sampling Head is a two-channel, 17.5 ps
rise time sampling head. Each channel is also capable
of generating its own TDR output pulse. The SD-24 TDR/Sampling
Head is designed for use in 11800 Series Digital Sampling
Oscilloscopes, the SM-11 Multi-Channel Unit, and the
CSA 803 Series Communications Signal Analyzers.

These manuals are available for the above equipment:

Tektronix -- SD-24 -- Service Manual
File name Tektronix-4514-Manual-Page-1-Picture
Manual Type Service Manual
Pages 86
Size 722.05 Kbytes (739377 Bytes)
Language english
Revision first edition
Manual-ID/Number 070-7053-01
Date May 1993
Quality Electronic document, no scan, very well readable.
Upload date
MD5 52d8811ac7c870c3092c911f99b20e60
Downloads 154 since 27 April 2013
Information
List of Figures............................................... iii

List of Tables................................................................................................v
General Information

General Information ..................................................................................1-1

Introduction ..........................................................................................1-1

Safety Summary ..................................................................................1-2

Installing and Removing the Sampling Head ..............................1-4

Packaging for Shipment....................................................................1-6

Operating Environment......................................................................1-7

Operating Temperature ................................................................1-7
Checks and Adjustments

Checks and Adjustments..........................................................................2-1

Test Equipment....................................................................................2-3

Using These Procedures ..................................................................2-5

Conventions in this Manual ..........................................................2-5

Initialized and Stored Settings ....................................................2-5

Menu Selections and Measurement Techniques......................2-5

Setup Illustrations ..........................................................................2-6

Part 1 Power-On ..................................................................................2-8

Part 2 Dot Transient Response........................................................2-10

Part 3 Offset..........................................................................................2-15

Part 4 Noise ..........................................................................................2-19

Part 5 Rise Time ..................................................................................2-22

Part 6 Acquisition Aberrations ........................................................2-25

Part 7 Coincidence Between Channels ........................................2-29

Part 8 Maximum Signal Voltage ......................................................2-32

Part 9 Isolation Between Channels................................................2-35

Part 10 Output Amplitude..................................................................2-38

Part 11 TDR Aberrations....................................................................2-40

Part 12 Reflected Rise Time ............................................................2-44
Maintenance

Maintenance ................................................................................................3-1

Preventive Maintenance....................................................................3-1

Exterior ............................................................................................3-1

Periodic Electrical Checks............................................................3-1

Static-Sensitive Device Classification ........................................3-2

Exchanging Sampling Heads ......................................................3-4

Removing and Replacing the Sampling Head Internal

Circuitry....................................................................................3-4

Changing the Sampling Head Identification Number..............3-6
Theory of Operation

Theory of Operation ..................................................................................4-1

System Functional Overview............................................................4-2

TDR Step Generation..........................................................................4-3

Operation With a Short Circuit ....................................................4-3

Operation With a 50 Q Load ........................................................4-4

Operation With an Open Circuit ..................................................4-4

TDR Amplitude ....................................................................................4-5

Loop Gain..............................................................................................4-6

Offset Null..............................................................................................4-7
Replaceable Parts

Replaceable Parts......................................................................................5-1

Parts Ordering Information ..............................................................5-1

Using the Replaceable Parts List....................................................5-2
Tektronix-4514-Manual-Page-1-Picture
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Tektronix -- SD-24 -- User Manual
File name Tektronix-4515-Manual-Page-1-Picture
Manual Type User Manual
Pages 50
Size 412.77 Kbytes (422674 Bytes)
Language english
Revision
Manual-ID/Number 070-7052-02
Date 1993
Quality Electronic document, no scan, very well readable.
Upload date
MD5 2f3bda6b948c992556f22b7c8f875e4e
Downloads 110 since 27 April 2013
Information
Table of Contents
List of Figures..............................................................................................iii

List of Tables................................................................................................v

Introduction..................................................................................................1

Safety ............................................................................................................3

Electrostatic Discharge ............................................................................5

Connector Care ..........................................................................................7

Installing the Sampling Head..................................................................9

Using the Sampling Head ........................................................................11

Front Panel............................................................................................11

Connecting Signals ............................................................................12

Buttons and Lights..............................................................................12

Instrument/Sampling Head Interaction..........................................13

Commands From the Mainframe Front Panel ..........................14

Programmer Interface Commands..............................................15

Adjusting Parameters................................................................................17

Stored Parameters..............................................................................18

Loop Gain..............................................................................................19

Adjusting Loop Gain......................................................................20

Offset Null..............................................................................................21

Adjusting Offset Null......................................................................21

TDR Amplitude ....................................................................................22

Taking TDR Measurements......................................................................23

TDR Step Generation..........................................................................23

Operation Into a Short Circuit......................................................24

Operation Into a 50 Q Load..........................................................24

Operation Into an Open Circuit....................................................25

Baseline Correction........................................................................25

Example: Taking TDR Measurements............................................26

Changing Graticule Units for TDR ..............................................28

Example: Differential and Common Mode TDR ..........................29

TDT Measurements........................................................................30

More About TDR Measurements ....................................................31

Specifications..............................................................................................33

Glossary........................................................................................................37

Index..............................................................................................................39
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