Tektronix 11A52 Manuals

Manuals and User Guides for Tektronix 11A52. We have 4 Tektronix 11A52 manuals available for free PDF download: Service Manual, Service & Reference Manual, User Reference Supplement, Manual

Tektronix 11A52 Service Manual (128 pages)

Extended Service, Two Channel Amplifier

Brand: Tektronix | Category: Amplifier | Size: 14 MB

Table of Contents
5
List of Illustrations
9
Safety Summary
11
Section 1- General Information
15
- Introduction
  15
- Amplifier-To-Oscilloscope Compatibility
  15
- Initial Inspection
  15
- Oscilloscope Options
  17
- Packaging for Shipment
  17
- Operating Temperature
  17
Section 2-Theory of Operation
21
- Block Diagram
  21
- Figure 2-1 11A52 Basic Block Diagram
  23
- Input Attenuators
  24
  - Attenuators
    24
    
    AC/DC Coupling (#2 Relay)
    24
    
    Calibrate/Normal (#1 Relay)
    24
    
    Lox/Lx (#3 Relay)
    25
    
    Lox/Lx (#4 Relay)
    25
  - Attenuator States
    25
    
    Off
    25
    
    Calibration
    26
  - Input Overload Sensing
    26
  - Fuse Check Circuit
    26
  - Relay Fast Power on (RFPO)
    26
- Kernel
  27
  - Analog Control Voltage System
    27
  - Analog-To-Digital Converter
    28
  - Random Access Memory
    29
    
    Data Retention Mode
    29
    
    Read Mode
    29
    
    Write Mode
    29
  - Calipration Buff er Amplifier
    29
  - Mpv
    30
    
    Oscillator
    31
  - Housekeeper IC
    31
  - Digital-To-Analog Converter
    33
  - Address Buffer Latch
    33
  - Output Latches
    34
  - Reset Circuit
    34
Analog Control/Signal Amplifiers
34
- Sample/Hold Assemblies
  34
- Coarse and Fine Offsets
  35
- High Frequency Adjust Signals
  35
- Signal Amplifiers
  36
Power Supplies
37
Section 3 -Maintenance
39
Preventive Maintenance
41
- Amplifier Shield Removal
  41
- Cleaning
  41
  - Exterior
    42
  - Interior
    42
- Visual Inspection
  42
- Semiconductor Checks
  42
- Periodic Electrical Adjustment
  43
Corrective Maintenance
43
Troubleshooting
57
- Troubleshooting Aids
  57
- Troubleshooting Equipment
  61
- Troubleshooting Techniques
  62
  - Check Control Settings
    62
  - Check Associated Equipment
    62
  - Visual Check
    62
  - Isolate Trouble to Circuit
    62
  - Check Oscilloscope Adjustment
    63
  - Check Individual Components
    63
  - Repair and Adjust the Circuit
    64
Section 4-Diagnostics
65
- Diagnostics Overview
  67
  - Kernel Tests
    67
  - Figure 4-1 Sample LED Fault Code Timing Diagram
    68
  - Self Tests
    70
  - Extended Diagnostics
    71
- Test Descriptions
  72
  - Attenuator-Driver Test (RELAY DRVR)
    72
  - Check Probecode Stability (PROBECODES)
    73
  - Check Signal Path Calconstant Checksum (CKSM PLUG)
    73
  - Check Probe Calconstant Checksum (CKSM PROBE)
    74
  - Walking Ones Test (WALK ONES)
    74
  - Analog-To~Digital Converter Test (ADC TEST)
    75
  - Fuse Test (FUSE TEST)
    75
  - Analog Control Voltage System Test (ACVS TEST)
    75
  - Calconstant Diagnostics
    77
    
    Probe Gain
    78
    
    Attengain
    79
    
    Bwlmatch
    79
    
    Gain
    79
    
    Step Gain
    79
    
    Balance
    80
    
    Coarse Dac
    80
    
    Outputerr
    80
    
    Fine Dac
    81
    
    Prb Coarse
    81
    
    Prb Fine
    81
    
    Spare Gain
    81
    
    Bias Comp
    82
    
    Bias Error
    82
    
    Prbimbal
    82
    
    Explain Cal (EXPLAINCAL)
    83
    
    Attengain
    86
    
    Bwlmatch
    86
    
    Step Gain
    86
    
    Calconstant Dumper (CC DUMPER)
    87
    
    Gain
    87
  - Gainoff
    88
    
    Gainon
    88
- Unreported Amplifier Calibration Failures
  88
  - Trigger Path Failure
    89
  - Large Amplifier Errors
    89
  - Old Calibration Constants
    89
- Failures Reported Though Calibration Achieved
  89
- CKSM Plug Failure at Power-Up
  90

Tektronix 11A52 Service & Reference Manual (90 pages)

Brand: Tektronix | Category: Amplifier | Size: 4 MB

Table of Contents
5
List of Illustrations
7
List of Tables
8
Safety Summary
9
In this Manual
9
Section 1- General Information
11
Introduction
11
I I I
12
Plug-In to Mainframe Compatibility
12
Initial Inspection
12
Installing and Removing the Plug-In
12
Instrument Options
13
Packaging for Shipment
13
Figure 1-1 Installing a Plug-In in a Mainframe Oscilloscope
13
Operating Environment
14
Operating Temperature
14
Section 2 - Checks and Adjustments
15
Using this Procedure
15
Menu Selections and Measurement Techniques
15
Plug-In Installation and Removal
16
Initialized Setting
16
Test Equipment
16
Procedure Parts
16
Part 1- Initial Setup
19
Measurement Limits
20
Specifications
20
Part 2A-Check!Examine/Adjust High Frequency Response: Standard Procedure
21
Examine Mainframe High Frequency Response
21
Examine/Adjust Plug-In Step Response
23
I I I
25
Check Plug-In Bandwidth
27
Part 2B-Check/Examine/Adjust High Frequency Response: Alternative Procedure
29
Examine Mainframe High Frequency Response
30
Examine/Adjust Plug-In Step Response
31
Check Plug-In Bandwidth
35
Part 3-Check Enhanced Accuracy
37
Part 4-Check DC Balance
39
I I I
41
Part 5B-Check
41
Part 6-Check DC
45
Characterize 11301/11302 Mainframe
45
Section 3 - Maintenance
54
Preventive Maintenance
54
Plug-In Shield Removal
54
Cleaning
55
Visual Inspection
55
Periodic Electrical Adjustment
55
Corrective Maintenance
56
Ordering Parts
56
Static-Sensitive Device Classification
56
Removing and Replacing Frus
58
Semiconductor FRU Removal
60
Housekeeper Integrated Circuit ("Slam-Pack" IC)
60
Figure 3-2 Semiconductor Indexing Diagram
61
Figure 3-3 Hypcon Assembly Removal and Replacement
63
Ram IC
65
Eprom IC
65
Processor IC
66
Circuit Board and Attenuator FRU Removal
67
Coaxial Cables
69
Figure 3-5 Location of the Screws and Parts for Removal of an Attenuator
69
Figure 3-6 Location of a Nut Block Securing the Circuit Board to the Frame Section
70
Programming the Unit Identification
71
Cables and Connectors
72
BNC Connectors
72
Multi-Pin Connectors
73
Arrangement of Pins in a Multi-Pin Connector
73
Figure 3-7 Indexing of Multi-Pin Connectors
73
Troubleshooting
74
Diagnostic Troubleshooting
74
Diagnostics Overvie\V
74
Kernel Tests
74
Figure 3-8 Sample LED Fault Code Timing Diagram
75
Self-Test/Extended Diagnostics
76
Using the Self-Tests/Extended Diagnostics
77
New Configuration Calibration
77
Restoring Calibration Data
78
Field Replaceable Unit (FRU) Guide
79
Abbreviations of FRU Names
79
Abbreviations of Component and Module Names
79
Error Index Codes
80
Fuse Troubleshooting
82
Section 4- Theory of Operation
83
Block Diagram Description
83
Signal Flow
83
Control Flow
85
Power
85
Section 5 - Replaceable Parts
86
Parts Ordering Information
86
Change Information
86

Tektronix 11A52 User Reference Supplement (51 pages)

Two Channel Amplifier

Brand: Tektronix | Category: Amplifier | Size: 1 MB

Features and Functions
3
Contents
5
Glossary
6
Instrument Documentation
6
General Information
7
Initial Inspection
9
Operating Temperature
9
Installing and Removing the 11A52
10
Instrument Options
12
Packaging for Shipment
12
Operating in Mainframes
13
Display On/Off
13
Selecting Coupling, HF Limit, and Impedance
13
Other Functions
14
Position and Offset
14
HF Limit
15
DC Circuit Loading
16
Location of AC Coupling Capacitors in Plug in Amplifiers
16
Adding Waveforms
17
Overdrive Recovery
18
Overload
19
Active Probes
19
Probe ID
19
Adding and Subtracting Waveforms
27
Front Panel Error Messages
31
Specification
35
Performance Conditions
35
Electrical Characteristics
35
Recommended Probes
41

Tektronix 11A52 Manual (50 pages)

Two Channel Amplifier

Brand: Tektronix | Category: Amplifier | Size: 1 MB

Table of Contents
5
General Information
7
Operating Temperature
9
Other Functions
14
Position and Offset
14
Adding Waveforms
17
Overdrive Recovery
18
50 Q Overload
19
Active Probes
19
Probe ID
19
Front-Panel Error Messages
20
GPIB and RS-232-C Commands and Syntax
21
Display On/Off
23
Functions and Where They Are Described
23
Section 4-Specification
35
Performance Conditions
35
Electrical Characteristics We]
36
Electrical Characteristics
37
Physical Characteristic
41
Recommended Probes
41
Appendix A-Glossary
43
Appendix B-Instrument Documentation
45

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