Table Of Contents - Tektronix 7D11 DIGITAL DELAY Service Instructions Manual

7D 11 Service
TABLE OF CONTENTS (cant)
SECTION 2 THEORY OF OPERATION (cont)
Page
THEORY OF OPERATION
2-2
TRIGGER CIRCUITS<y 2-2
Trigger Preamp 2-2
Trigger Generator 2-3
PHASE LOCK LOOP AND GATED COUNTDOWN<§> 2-5
Phase Lock Loop 2-5
Fine Delay 2-6
Gated Countdown
2-6
OUTPUTS PROCESSING AND EVENTS
START TRIGGER
0
2-9
Time/Events Count Source Gate 2-9
Delayed Trigger Output Flip-Flop
2-9
Delayed Gate Flip-Flop 2-10
Events Start Trigger 2-11
DELAYING COUNTER AND DISPLAY GENERATOR
0
2-11
Voltage to Frequency Converter 2-11
Reversible Counter and Nines Complement Review 2-12
Delaying Counter 2-12
Power-On Initializer 2-12
Reset 2-13
READOUT ENCODING
<§>
2-13
POWER DISTRIBUTION AND MAINFRAME
CONNECTOR
0
2-13
D.C. Inverter
2-14
INTRODUCTION TO THE READOUT SYSTEM 2-14
Introduction 2-14
The Readout System 2-14
SECTION 3
MAINTENANCE
INTRODUCTION 3-1
PREVENTIVE MAINTENANCE 3-1
General 3-1
Cleaning 3-1
Lubrication 3-1
Recalibration 3-1
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