Tektronix DC 502 User Manual

DC 502
TABLE OF CONTENTS
SECTION 1 OPERATING INSTRUCTIONS
Page
Introduction
1-1
Description
1-1
Installation
1-1
Operational Check
1-2
Display Check
1-2
Frequency Measurements 1-2
Totalizing
1-2
Using the Counter 1-3
DIRECT INPUT Attenuation and Trigger
Level Adjustment
1-3
Signal Connection
1-3
Measurement Interval and Display Time Controls
1-3
Rear Connector I/ O Assignments
1-4
Option 1 — Precision Time Base
1-4
Specifications 1-4
SECTION 2
THEORY OF OPERATION
)
Input Circuits
2-1
Time Base and Control Circuit
2-2
Counter Circuits
2-3
Decode and Display Multiplex 2-4
Power Supplies and Input/Output Lines
2-5
SECTION 3
SERVICE INFORMATION
Symbols & Reference Designators 3-1
Electrical Parts List 3-2
Controls and Connectors Illustration 3-9
Adjustments Illustration
3-9
Parts Location Grid
3-10
Block Diagram
Counter Time Base and Control Schematic
3-11
I
j
!
Counters and Display Schematic
Mechanical Parts List
Fig. 1 Exploded View
Accessories & Repackaging
3-14
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Tektronix DC 502 Specifications

General

Brand	Tektronix
Model	DC 502
Category	Cash Counter
Language	English