Tektronix DC503a Manuals

Tektronix DC503a Manuals

Manuals and User Guides for Tektronix DC503a. We have 1 Tektronix DC503a manual available for free PDF download: Instruction Manual

Tektronix DC503a Instruction Manual

Tektronix DC503a Instruction Manual (300 pages)

Universal Counter/Timer

Brand: Tektronix | Category: Measuring Instruments | Size: 24 MB

Table of Contents

Table of Contents
4
List of Illustrations
8
Operators Safety Summary
10
Service Safety Summary
11
- Specification
  17
  - Instrument Description
    17
  - Instrument Options
    17
  - Standard Accessories
    17
  - Performance Conditions
    17
  - Electrical Characteristics
    18
  - Miscellaneous
    23
  - Environmental
    23
  - Physical Characteristics
    24
Section 2 OPERATING INSTRUCTIONS
25
- Introduction
  25
- Installation and Removal
  25
- Controls and Connectors
  26
  - Display and Unit Indicators
    26
  - Functions
    28
  - Channel a Input and Level Functions
    28
- Input Considerations
  28
  - Input Sources
    28
  - Input Coupling
    28
  - Attenuators and Maximum Input Volts
    28
  - Sensitivity and Frequency Range
    28
  - Slope and Level
    28
  - Operators Familiarization
    29
  - Preparation
    29
  - Display Tests
    29
  - Readout Segment Test
    29
  - Frequency a Displays
    29
  - Period B, Width B, Andtimea -- B
    29
  - Displays
    29
  - OPERATING INSTRUCTIONS (Cont)
    29
  - Events a During B and Ratio A/B Displays
    30
  - Time Manual Displays
    30
  - Totalize a Display
    30
  - Channel a Slope
    31
  - Channel B Slope
    31
Operating Modes
31
- General
  31
- Frequency a Mode
  32
- Period Modes
  32
- Time Interval Modes
  32
- Events a During B Mode
  34
- Ratio Mode
  34
- Time Manual Mode
  35
- Totalize a Mode
  36
Repackaging for Shipment
36
Description des Entrees
40
- Sources
  40
- Couplage
  40
- Attenuateurs Et Tensions D'entree Maximales
  40
Sensibilite Et Plage de Fr~Quence
40
Pente Et Niveau de Declenchement
40
Bedienungselemente and Stecker
50
- Darstellung and Anzeige
  50
- Wahl der Betriebsarten
  50
Signaleingang
52
- Eingangsquellen
  52
- Eingangskoppelung
  52
- Empfindlichkeit and Frequenzbereich
  52
- Flanke and Pegel
  52
- Vorbereitung
  53
  - Periodendauer B, Pulsbreite B
    53
  - Manuelle Zeitdarstellung
    54
  - Darstellung Summe a
    54
  - Flanke Kanal a
    55
  - Flanke Kanal B
    55
Betriebsarten
55
- Frequenz A-Betrieb
  55
- Periodendauermessungen
  56
- Zeitintervallmessungen
  56
- Ereignisse a W~Hrend B
  58
- Manuelle Zeitmessungen
  59
- Summierung a
  60
Verpackung des Ger~Tes
60
T-~ Z
64
- I
64
2~Fi
68
The Following Servicing Instructions
73
Section 3 THEORY of OPERATION
74
- Block Diagram Description
  74
  - Introduction
    74
  - Channel a and B Amplifiers
    74
  - FREQUENCY a (Variable Gate)
    74
  - PERIOD B (Variable Clock)
    74
  - PERIOD B (Averageable-100 Ns Clock)
    74
  - WIDTH B (Variable Clock)
    74
  - WIDTH B (Averageable-100 Ns Clock)
    74
  - TIME a - B (Variable Clock)
    75
TIME MANUAL (Variable Clock)
75
TIME a -- B (Averageable-100 Ns Clock)
75
EVENTS a DURING B (Averageable)
75
RATIO A/B (Averageable)
75
Decimal Point and Annunicator Encoder
75
Totalize a
75
Decade Accumulators, 6_Decade
75
Measurement Cycle Timing
75
Time Base
76
Power Supplies
76
Detailed Circuit Description
76
Introduction
76
CH a and CH Amplifiers
76
Introduction to Signal Routing
77
Time a ~ B Generator
77
Signal Routin and Gate Generator 3
77
- N Circuit
  80
Measurement Cycle Timin .5O
81
- Decade Accumulators
  82
Counter
83
- Display
  83
Switching Logic
83
Avgs/Timing)
83
Time Base 10
84
- Power Supplies
  84
Test Equipment Required
85
Services Available
85
Performance Check Procedure
85
Calibration Interval
85
Introduction
85
Section 4 CALIBRATION
85
Time Base Checks
87
- CH a and CH B Checks
  87
Check Set-Up for Low Frequency Ac and Do Sensitivity
90
- Minimum Pulse Width Checks
  91
- Two Channel Function Checks
  94
- Trigger Level Checks
  95
- Rear Interface Checks
  97
Adjustment Procedure
99
- Introduction
  99
- Test Equipment Required
  99
- Preparation
  99
Section S MAINTENANCE
101
General Maintenance Information
101
- Static-Sensitive Components
  101
- Cleaning
  101
- Obtaining Replacement Parts
  102
- Soldering Techniques
  102
- Semiconductors
  103
- Interconnecting Pins
  103
- Square Pin Assemblies
  103
- Circuit Board Pins and Ferrules
  103
- Dual Entry Circuit Board Pin Sockets
  104
- Bottom Entry Circuit Board Pin Sockets
  104
- Multipin Connectors
  104
- Switch Maintenance
  105
- Front Panel Latch Removal
  105
Rear Interface Information
106
- Functions Available at Rear Connector
  106
- Option 01
  109
Fig
170
Triggering Circuitresponsetoimproper(A)
183
Illustration Ofch a Events Counted from Portion of CH a Signal Pulses During the Counter Gate Open Time (Controlled by the CH B Signal)
183
Typical DC 503A Timing Diagram
183
Typical Square Pin Assembly
183
- Exploded View of Circuit Board Pin and Ferrule
  183
Dual Entry Circuit Board Pin Socket
183
Bottom Entry Circuit Board Pin Socket
183
Orientation and Disassembly of Multipin Connectors
183
Rear Frame Removal
183
Circuit Board Removal
183
Electrical Characteristics
184
Miscellaneous
184
Environmental
184
Physical Characteristics
184
Gate Time Vs Measurement Resolution
184
Plug-In Installation/Removal
195
Controls and Connectors
197
Frequency a Display Check
199
Period B, Time a - B, Width B (Timing Mode) Display Check
200
Period B, Time a ~ B, Width B (Averaging Mode) Display Check
200
- Period B, Time A- B, Width B (Averaging Mode) Display Check
  200
Ratio A/B and Events Aduring B Display Check
200
- Period B, Time A-B, Width B (Timing Mode)
  200
- Display Check
  200
Representation of Interval Measurements
203
Typical CH a and CH B Level out Voltage Settings for Various Time Interval Measurements
204
Theory of Operation
207
PROM Selection Code
216
List of Test Equipment Requirements
219
Check Set-Up for the High Frequency Sensitivity Using X1 and X5 Attenuation
221
Check Set-Up for Minimum Pulse Width Signals
225
Check Set-Up for Trigger Level Range
229
Damage
234

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