Tektronix 11801C Oscyloskop
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Model:
11801C
Data:
0
Kategoria:
Grupa:
Opis:
Digital Sampling Oscilloscope
Informacja
The Tektronix 11801C is a high-resolution digital sampling
Oscilloscope accommodating up to eight input channels
through the dual-channel sampling heads. With the SD-24
TDR/Sampling Head, eight channels of singleended TDR or four
channels of differential TDR are available as well.
Features include the following:
■ sweep rates ranging from 5 ms/division to 1 ps/div
■ autoset to provide a suitably adjusted display for viewing
and further manual adjustment
■ windows for viewing expanded sections of a trace
■ self-tests to assure continuous accuracy of waveform data
and measurements
■ digital waveform storage and display
■ on-board measurement capabilities
■ menu-driven touch-screen operation
■ RS-232-C, GPIB, and PRINTER interfaces This section has
two main sub sections:
Typ ręczny:
Instrukcja serwisowa
Strony:
286
Rozmiar:
2.33 Mbytes (2442693 Bytes)
Język:
english
Rewizja:
Ręczny ID:
070-9972-02
Data:
Jakość:
Dokument elektroniczny, bez skanowania, bardzo dobrze czytelne.
Data przesłania:
2014 11 23
MD5:
eb5031e188be02a3ef10b98a041f19cc
Pobrane:
685
Informacja
Contacting
Tektronix ...
i
General Safety Summary
...
xvii
Service Safety
Summary ...
xix
Specifications
Operating Information
Sampling Head Installation and Removal
... 2-2
Power Information
... 2-4
Power Cord
Information ... 2-5
Memory Backup
Power ... 2-6
Operating
Environment ... 2-6
Operating Temperature
... 2-6
Ventilation
Requirements ... 2-6
Packaging for
Shipment ... 2-7
Theory of Operation
System Functional Overview
... 3-3
Acquisition System Block
... 3-3
Strobe Distribution
Block ... 3-3
Time Base/Controller
Block ... 3-3
Trigger Select
Block ... 3-3
Executive Processor Block
... 3-4
Memory Management Unit
Block ... 3-4
Waveform Memory
Block ... 3-4
Front Panel Controls
... 3-5
I/O
Block ... 3-5
Waveform Compressor and Display Control Block
... 3-5
Power Supply
... 3-6
Typical Waveform Processing
Cycle ... 3-6
Block Diagram
Descriptions ...
3-7
A1 M/F Strobe Drive Board
... 3-7
Data Buffers
...
3-7
Address Latch
...
3-7
Function Decoder
...
3-7
Internal Clock Rate
Generator ... 3-7
Control
Buffer ...
3-8
A3 M/F Power Connect
Board ... 3-8
A4 Regulator
Board ...
3-8
Voltage Fault Detect
...
3-8
A5 Time Base/Controller Board
... 3-9
Microprocessor
...
3-9
RAM/ROM
Memory ...
3-9
Trigger ...
3-9
Time
Base ...
3-11
Acquisition System
Interface ... 3-11
Memory Management (MMU)
Interface ... 3-11
A7 CRT Socket Board
...
3-12
Red, Green, and Blue Video
Amplifiers ... 3-12
Red, Green, and Blue Adjustments
... 3-12
Convergence Adjustment
... 3-12
A8 CRT Driver
Board ...
3-13
Horizontal Sweep
...
3-13
Vertical
Sweep ...
3-13
High Voltage and Grid Voltage Generator
... 3-13
Degauss
...
3-14
Beam Current
Limit ...
3-14
Grid
Bias ...
3-14
A9, A10, and A11 Front Panel
Boards ... 3-14
Touch Panel, Major Menu Keys, and Menu Status LEDs ... 3-14
A9 Touch Panel
Assembly ...
3-14
A10 Front Panel Control
Board ... 3-15
A11 Front Panel Button Board
... 3-15
A12 Rear Panel Assembly
...
3-15
GPIB Data and Address
Bus ... 3-16
Standard RS-232-C Controller
... 3-16
Printer Port
...
3-17
A13 Mother Board
...
3-17
A14 Input/Output (I/O) Board
... 3-18
I/O Data
Buffer ...
3-18
I/O Delayed Data
Buffer ...
3-18
Timer Configuration
...
3-19
Real Time Clock
...
3-19
Serial Data Interface (SDI)
... 3-19
Tone Generator
...
3-19
Temp/Tone Readback
Buffer ... 3-19
A15 Memory Management (MMU)
Board ... 3-20
MMU
IC ... 3-20
Waveform RAM
... 3-20
Display Interface
... 3-20
Time Base/Controller Interface
... 3-21
Executive Processor (EXP)
Interface ... 3-21
Display IC
... 3-21
Microprocessor
... 3-21
Bit Map RAM
... 3-21
Waveform Display RAM
... 3-22
Video Digital-to-Analog Convertor (DAC)
... 3-22
A17 Executive Processor
Board ... 3-22
Executive Processor (EXP)
... 3-22
Numeric Coprocessor
... 3-23
Bus Controller
... 3-23
Reset ... 3-23
Wait State
... 3-23
Interrupt Controllers
... 3-23
DMA Controller
... 3-23
A18 Memory Board
... 3-24
Address Latches
... 3-24
Address Decode and Memory Select
... 3-24
EPROMs, SRAM, and NVRAM
... 3-25
Memory Data Buffers
... 3-25
Wait State
Generator ... 3-25
Wait State Diagnostics
... 3-25
Memory Configuration Readback
... 3-25
Battery Backup
... 3-25
A19 Strobe/TDR Buffer
Board ... 3-26
Strobe Sense
Select ... 3-26
Strobe Deskew
... 3-26
TDR Buffer and Level
Shift ... 3-26
A20-23 Head Interconnect
Boards ... 3-26
A26 M/F Acquisition Interconnect
Board ... 3-27
A24/A27 & A25/A28 Acquisition System
Boards ... 3-27
Programmable Gain
Amplifiers ... 3-27
A/D Convertors
... 3-28
Measurement
Hardware ... 3-28
Timing and Sampling Head Control
... 3-28
Shared
RAM ... 3-29
Time Base/Controller Interface
... 3-29
Microprocessor
... 3-29
11801C Service
Test
Equipment ...
4-3
Test Record
...
4-6
Using These Procedures
...
4-11
Conventions in this Manual
... 4-11
Menu Selections and Measurement
Techniques ... 4-11
User
Manual ...
4-11
Performance
Tests ...
4-13
Power-On Diagnostics
...
4-14
Setup to Invoke Power-On
Diagnostics ... 4-14
Procedure to Invoke Power-On
Diagnostics ... 4-14
Diagnostics ...
4-15
Self-Test
Diagnostics ...
4-15
Power-On Diagnostics
Complete ... 4-16
Sampling Heads
...
4-17
Setup to Calibrate a Sampling
Head ... 4-17
Procedure to Calibrate a Sampling
Head ... 4-17
Extended
Diagnostics ...
4-19
Setup to Invoke Extended
Diagnostics ... 4-19
Procedure to Invoke Extended
Diagnostics ... 4-19
Vertical Reference
Voltage ...
4-21
Specifications ...
4-21
Setup to Check Vertical Reference Voltage
... 4-21
Procedure to Check Vertical Reference Voltage
... 4-21
Horizontal Reference
Clock ...
4-23
Specifications ...
4-23
Setup to Check Horizontal Reference Clock
... 4-23
Procedure to Check Horizontal Reference Clock
... 4-23
Vertical Accuracy
...
4-25
Setup to Check Vertical Gain
... 4-25
Procedure to Check Vertical Gain
... 4-25
Setup to Check Offset
Accuracy ... 4-28
Procedure to Check Offset
Accuracy ... 4-28
System Vertical RMS
Noise ...
4-31
Setup to Examine Vertical RMS
Noise ... 4-31
Procedure to Examine Vertical RMS
Noise ... 4-31
Sweep Rate
Accuracy ...
4-34
Setup to Examine Sweep Rate
Accuracy ... 4-34
Procedure to Examine Sweep Rate
Accuracy ... 4-34
Sweep Rate Accuracy 2
ns/div ... 4-35
Sweep Rate Accuracy 1
ns/div ... 4-36
Sweep Rate Accuracy 100
ps/div ... 4-36
Sweep Rate Accuracy 10
ps/div ... 4-36
Sweep Rate Accuracy 1
ps/div ... 4-37
Triggering, External
Direct ... 4-39
Specifications ... 4-39
Setup to Check
Triggering ... 4-39
Procedure to Check
Triggering ... 4-39
Prescaler Triggering
... 4-41
Specifications ... 4-41
Setup to Check Prescaler
Triggering ... 4-41
Procedure to Check Prescaler
Triggering ... 4-41
Internal Clock
... 4-43
Measurement Limits
... 4-43
Setup to Examine Internal Clock
... 4-43
Procedure to Examine Internal Clock
... 4-43
Calibrator Output
... 4-45
Measurement Limits
... 4-45
Setup to Examine Calibrator Output
... 4-45
Procedure to Examine
Calibrator ... 4-45
Adjustment
Test
Equipment ...
5-3
Using These Procedures
...
5-6
Conventions in this Manual
... 5-6
Menu Selections and Measurement
Techniques ... 5-6
User
Manual ...
5-6
Power Supply
...
5-7
Measurement Limits
...
5-7
Setup to Examine Voltage Supply
... 5-7
Procedure to Examine Voltage
Supply ... 5-7
Setup to Examine/Adjust Voltage Reference
... 5-9
Procedure to Examine/Adjust Voltage Reference
... 5-9
Setup to Examine/Adjust Regulator Reference
... 5-11
Procedure to Examine/Adjust Regulator Reference
... 5-11
Display ...
5-13
Measurement Limits
...
5-13
Setup to Examine/Adjust the
Display ... 5-14
Procedure to Examine/Adjust the
Display ... 5-14
Real Time Clock
...
5-20
Measurement Limits
...
5-20
Setup to Examine/Adjust Real Time
Clock ... 5-20
Procedure to Examine/Adjust Real Time
Clock ... 5-20
Preventive
Maintenance ...
6-1
Removing the Cabinet
Panels ... 6-1
Cleaning the
Instrument ...
6-2
Exterior
...
6-2
CRT
...
6-2
Interior ...
6-3
Visual Inspection
...
6-3
Periodic Electrical
Adjustment ...
6-3
Corrective
Maintenance ...
6-5
Power supply Voltage
Hazard ... 6-5
Ordering
Parts ...
6-5
Static-Sensitive Device Classification
... 6-6
Removing and Replacing FRUs
... 6-8
Electrical Lock-on of the Front Panel ON/STANDBY
Power Switch
...
6-13
Power supply Module
Removal/Replacement ... 6-16
Fan Motor Removal/Replacement
... 6-19
Cathode Ray Tube (CRT) Removal/Replacement
... 6-20
Acquisition Unit
Removal/Replacement ... 6-26
Battery Disposal and First Aid
... 6-27
Battery Disposal
...
6-27
Emergency and First Aid Information
... 6-28
FRU Board and Assembly Removal
... 6-29
A1 M/F Strobe Drive Board
... 6-31
A3 M/F Power Connect Board
... 6-32
A4 Regulator Board
...
6-34
A5 Time Base/Controller Board
... 6-35
A7 CRT Socket Board and A8 CRT Driver Board
... 6-37
A9 Touch Panel
Assembly ...
6-40
A10 Front Panel Control
Board ... 6-42
A11 Front Panel Button Board
... 6-44
A12 Rear Panel Assembly
... 6-45
A13 Mother
Board ...
6-47
A14 Input/Output (I/O) Board
... 6-49
A15 Memory Management Unit (MMU)
Board ... 6-51
A17 Executive Processor (EXP) Board
... 6-53
A18 Memory
Board ...
6-55
A19 Strobe/TDR Buffer
Board ... 6-57
A20-A23 Head Interconnect Boards
... 6-59
A26 M/F Acquisition Interconnect
Board ... 6-61
A24/A27 Acquisition Analog Boards
... 6-63
A25/A28 Acquisition MPU Boards
... 6-64
FRU IC Removal
...
6-65
Serial Data Interface Integrated Circuits (“Slam-Pack” ICs)
.. 6-65
Firmware Integrated Circuits (“Dual In-Line Package” ICs) ..
6-68
Firmware Upgrade Procedure
... 6-69
Cables and Connectors
...
6-75
Interconnecting Pins
...
6-75
Coaxial-type End-Lead Connectors (Peltolas & SMB) ... 6-75
Multi-Pin Connectors
...
6-75
Checks After FRU
Replacement ... 6-77
Diagnostic Troubleshooting
...
6-79
Diagnostics
Overview ...
6-79
Kernel
Diagnostics ...
6-80
Self-Test/Extended Diagnostics
... 6-81
Extended Diagnostics Menu Structure
... 6-81
Extended Diagnostics Error Index
Codes ... 6-81
Diagnostic
Menus ...
6-84
Diagnostic Menu
Hardcopy ...
6-85
Diagnostic Terminal Mode
(RS-232-C) ... 6-86
System Mode (GPIB & RS-232-C)
... 6-87
Battery Testing
...
6-89
Clearing
NVRAM ...
6-90
Field Replaceable Unit (FRU)
Guide ... 6-91
FRU Name Abbreviations
... 6-92
Component and Module Name
Abbreviations ... 6-93
Executive Subsystem Error Index Codes
... 6-94
Display Subsystem Error Index Codes
... 6-98
Time Base Processor Error Index Codes
... 6-100
Acquisition Processor Error Index
Codes ... 6-102
Other
Troubleshooting ...
6-103
Power Supply
Module ...
6-103
Module Troubleshooting
... 6-103
A4 Regulator
Board ...
6-103
CRT, A7 CRT Socket Board, or A8 CRT Driver Board
... 6-104
Module Troubleshooting
... 6-104
A13 Mother Board
...
6-104
Fuse
Testing ...
6-105
Time Base Calibration Errors
... 6-108
Acquisition Calibration Errors
... 6-110
Options
Instrument Options
...
7-1
Power Cord
Information ...
7-2
11801C Service
Electrical
Parts ...
8-1
Diagrams
Replaceable Parts List
Replaceable
Parts ...
10-1
Parts Ordering Information
... 10-1
Module
Replacement ...
10-1
Firmware Replacement
... 10-1
Using the Replaceable Parts
List ... 10-2
Item Names
...
10-2
Indentation
System ...
10-2
Abbreviations ...
10-2