Tektronix - 2465B - Oscilloscope
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Equipment:
2465B
Date:
1988
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Information
The Tektronix 2465B and 2467B Oscilloscope are portable 400-MHz bandwidth instruments having four-channel vertical deflection systems. Channel 1 and Channel 2 provide calibrated deflection factors from 2 mV per division to 5 V per division. For each of these channels, input impedance is selectable between two values: either
1 MΩ in parallel with 15 pF, or 50Ω internal termination. Input-signal coupling with 1 MΩ impedance can be selected as either AC or DC. Channel 3 and Channel 4 have deflection factors of either 0.1 V or 0.5 V per division. Each of these channels has an input impedance of 1 MΩ in parallel with 15 pF, with DC input-signal coupling.
The trigger system works automatically for most signals. They operate in various modes, from any channel, with couplings for a wide range of signals. The trigger system gives stable displays from dc to 500 MHz.
The horizontal deflection system provides calibrated sweep speeds from 1.5 s per division to 500 ps per division, including the effects of the X10 magnifier and the calibrated variable between the 1-2-5 steps. Horizontal displays include A-Sweep, B-Sweep (delayed), A alternated with B, and CH 1 (for X/Y displays).
The AUTO, SAVE, and RECALL features save time and prevent errors. Pressing the AUTO Setup button gives a workable setup for almost any signal. For repetitive measurements, the Save and Recall functions record and immediately or sequentially restore as many as 30 instrument setups. The SETUP buttons operate all instrument functions, including the extended function options.
Direct, on-screen readouts of time measurements, voltage measurements, scale factors, trigger levels, and auxiliary information also save time and improve operator confidence.
The 2467B yields 4 divisions/ns visual writing rate. This is about 100 times faster than conventional, high-performance Oscilloscope The 2467B visibly displays any signal, at any repetition-rate, at any sweep speed, in typical room light. Visible single-shots include 1 ns steps at 500 ps/division.
The instruments are shipped with the following standard Accessories 2 Probe packages 2465B 4 Probe packages 2467B 1 Snap-lock Accessories pouch
1 Zip-lock Accessories pouch
1 Operators manual
1 Power cord (installed)
1 2-A, 250-V fuse
1 Clear plastic CRT Filter 1 Blue plastic CRT Filter (installed)
1 Front-panel cover
1 Operators pocket reference card
2 Manuals
Service manual
Manual type:
Service manual
Pages:
514
Size:
45.5 MB
Language:
english
Revision:
Manual-ID:
070-6863-00
Date:
Quality:
Scanned document, all readable.
Upload date:
Dec. 21, 2009
MD5:
2d4172fd-9d0c-4334-c7d3-fb5a10c37f06
Downloads:
7527
Last month downloads:
19
Service manual
Manual type:
Service manual
Pages:
536
Size:
30.7 MB
Language:
english
Revision:
Manual-ID:
070-6863-01
Date:
January 1988
Quality:
Scanned document, all readable.
Upload date:
Sept. 14, 2019
MD5:
0d0578b4-509f-849d-46a2-b1005ea63ba8
Downloads:
1783
Last month downloads:
6
Information
Page
Page
LIST OF ILLUSTRATIONS...iii
LIST OF TABLES...iv
OPERATORS SAFETY SUMMARY... vi
SERVICING SAFETY SUMMARY...vii
SECTION 1 SPECIFICATION
INTRODUCTION... 1-1
PERFORMANCE CONDITIONS... 1-1
SECTION 2 OPERATING INFORMATION
SAFETY... 2-1
LINE VOLTAGE SELECTION... 2-1
LINE FUSE... 2-1
POWER CORD... 2-1
INSTRUMENT COOLING... 2-1
OPERATING INFORMATION... 2-1
START-UP... 2-2
REPACKAGING FOR SHIPMENT .. 2-2
SECTION 3 THEORY OF OPERATION
(SN B050000 & ABOVE)
INTRODUCTION... 3a-1
SECTION ORGANIZATION... 3a-1
HYBRID AND INTEGRATED
CIRCUIT DESCRIPTIONS... 3a-1
BLOCK DIAGRAM... 3a-1
BLOCK DESCRIPTION... 3a-1
DETAILED CIRCUIT DESCRIPTION 3a-5
INTRODUCTION... 3a-5
PROCESSOR AND DIGITAL
CONTROL... 3a-5
FRONT-PANEL SCANNING and
ANALOG CONTROLS... 3a-9
FRONT-PANEL CONTROLS... 3a-11
ATTENUATORS AND PREAMPS .. 3a-13 DISPLAY SEQUENCER,
TRIGGERS, AND SWEEPS... 3a-17
VERTICAL CHANNEL SWITCH
AND OUTPUT Amplifier 3a-23
READOUT... 3a-27
HIGH VOLTAGE Power Supply AND CRT FOR 2465B ONLY... 3a-35
HIGH VOLTAGE Power Supply AND MCP-CRT FOR 2467B ONLY 3a-40 LOW VOLTAGE Power Supply 3a-46
LOW-VOLTAGE REGULATORS... 3a-51
POWER DISTRIBUTION... 3a-53
INTERCONNECTIONS... 3a-53
SECTION 3 THEORY OF OPERATION
(SN B049999 & BELOW)
INTRODUCTION...3-1
SECTION ORGANIZATION...3-1
HYBRID AND INTEGRATED
CIRCUIT DESCRIPTIONS...3-1
BLOCK DIAGRAM...3-1
BLOCK DESCRIPTION...3-1
DETAILED CIRCUIT DESCRIPTION 3-5
INTRODUCTION...3-5
PROCESSOR AND DIGITAL
CONTROL...3-5
FRONT-PANEL SCANNING and
ANALOG CONTROLS...3-9
FRONT-PANEL CONTROLS...3-11
ATTENUATORS AND PREAMPS .. 3-13 DISPLAY SEQUENCER,
TRIGGERS, AND SWEEPS...3-17
VERTICAL CHANNEL SWITCH
AND OUTPUT Amplifier 3-23
READOUT...3-27
HIGH VOLTAGE Power Supply AND CRT FOR 2465B ONLY...3-35
HIGH VOLTAGE Power Supply AND MCP-CRT FOR 2467B ONLY 3-40
LOW VOLTAGE Power Supply 3-46
LOW-VOLTAGE REGULATORS...3-51
POWER DISTRIBUTION...3-53
INTERCONNECTIONS...3-53
SECTION 4 PERFORMANCE CHECK AND FUNCTIONAL VERIFICATION
INTRODUCTION... 4-1
PREPARATION... 4-1
VERTICAL... 4-4
TRIGGERING... 4-15
HORIZONTAL... 4-20
PARAMETRIC MEASUREMENTS
CHECK... 4-27 Counter TIMER/TRIGGER
CHECKS... 4-29
HORIZONTAL (cont)... 4-34 Calibrator EXTERNAL
Z-AXIS AND GATE OUTPUTS... 4-36
ADDITIONAL FUNCTIONAL
VERIFICATION... 4-38
WORD RECOGNIZER CHECKS... 4-40
INTRODUCTION... 5-1
PARTIAL PROCEDURE... 5-2
PREPARATION FOR
ADJUSTMENT... 5-2
POWER SUPPLIES AND
DAC REF ADJUSTMENTS... 5-2 2467B CRT ADJUSTMENTS... 5-4 2465B CRT ADJUSTMENTS... 5-7
CH 1 AND CH 2 INPUT CAPACITANCE, AND VERTICAL READOUT JITTER
ADJUSTMENTS... 5-10
AUTOMATIC CALIBRATION CONSTANTS, HORIZONTAL AND VERTICAL GAIN,
CENTERING, AND TRANSIENT
RESPONSE ADJUSTMENTS... 5-13
CAL 01—HORIZONTAL... 5-13
CAL 02—VERTICAL... 5-16
CAL 03—TRIGGERING... 5-18
CAL 04—CH 2 DELAY
ENABLE/DISABLE... 5-19
CAL 05—Set HRS ON and
PWR ON/OFF CYCLES... 5-20
CAL 06—VERTICAL
TRANSIENT RESPONSE... 5-20
CAL 07—READOUT CENTERING
AND GAIN... 5-22
CAL 09—PARAMETRIC
MEASUREMENTS... 5-22
DYNAMIC CENTERING,
DC BALANCE, AND
X-Y PHASE DIFFERENTIAL
ADJUSTMENTS... 5-25
SECTION 6 MAINTENANCE
STATIC-SENSITIVE COMPONENTS 6-1
PREVENTIVE MAINTENANCE... 6-2
INTRODUCTION... 6-2
GENERAL CARE... 6-2
INSPECTION AND
CLEANING... 6-2
LUBRICATION... 6-4
SEMICONDUCTOR CHECKS... 6-4
PERIODIC READJUSTMENT... 6-4
TROUBLESHOOTING... 6-5
INTRODUCTION... 6-5
TROUBLESHOOTING AIDS... 6-5
TROUBLESHOOTING
EQUIPMENT... 6-7
TROUBLESHOOTING
TECHNIQUES... 6-7
DIAGNOSTIC ROUTINES... 6-10
CORRECTIVE MAINTENANCE... 6-20
INTRODUCTION... 6-20
MAINTENANCE PRECAUTIONS... 6-20 OBTAINING REPLACEMENT
PARTS... 6-20
MAINTENANCE AIDS... 6-21
INTERCONNECTIONS... 6-21
TRANSISTORS, INTEGRATED CIRCUITS, AND HYBRID
CIRCUITS... 6-22
SOLDERING TECHNIQUES... 6-22
REMOVAL AND REPLACEMENT INSTRUCTIONS... 6-24
SECTION 7 OPTIONS
INTRODUCTION... 7-1
POWER CORD OPTIONS... 7-1 Option 01 2465B ONLY)... 7-1
OPTION 1R... 7-1 Option 05 7-2
OPTIONS 06 AND 09... 7-2 Option 10 7-2
OPTION 11 ... 7-2
SECTION 8 2465B REPLACEABLE ELECTRICAL PARTS
SECTION 9 2467B REPLACEABLE ELECTRICAL PARTS
SECTION 10 DIAGRAMS
ACRONYM DICTIONARY
SECTION 11 2465B REPLACEABLE MECHANICAL PARTS
SECTION 12 2467B REPLACEABLE MECHANICAL PARTS
CHANGE INFORMATION
Diagnostic and Troubleshooting Information:
DIAGNOSTIC ROUTINES... 6-10
TROUBLESHOOTING CHARTS... SECTION 10