User's Guide

Table Of Contents

DANIELS

ELECTRONICS

UHF Transmitter Instruction Manual UT-3 406 - 512 MHz iii

TABLE OF CONTENTS

Page

1 GENERAL..................................................................................................................1-1

1.1 Introduction.....................................................................................................1-1

1.2 Manual Organization.......................................................................................1-1

1.3 UT-3 406 - 512 MHz Transmitter Family Models..........................................1-2

1.4 Performance Specifications.............................................................................1-3

1.4.1 General................................................................................................1-3

1.4.2 Audio Specifications ...........................................................................1-4

1.4.3 Physical Specifications........................................................................1-5

2 SYSTEM OVERVIEW...............................................................................................2-1

2.1 Transmitter Operation .....................................................................................2-1

2.2 Frequency Selection........................................................................................2-3

2.2.1 Synthesizer Transmitter....................................................................2-3

2.3 Transmitter Assembly and Adjustment............................................................2-3

2.3.1 Complete Transmitter Alignment.........................................................2-3

2.3.2 Frequency Change ..............................................................................2-4

2.3.3 Output Power Adjustment...................................................................2-5

2.3.4 Deviation Setting.................................................................................2-5

2.3.5 Setting RF Alarm Thresholds..............................................................2-5

2.4 Recommended Test Equipment List................................................................2-6

2.5 Repair Note.....................................................................................................2-6

2.6 Printed Circuitboard Numbering Convention..................................................2-6

3 ILLUSTRATIONS.....................................................................................................3-1

3.1 MT-3 Transmitter Front Panel ........................................................................3-1

3.2 MT-3 Transmitter Case - Exploded View........................................................3-2

4 PARTS LIST ..............................................................................................................4-1

5 REVISION HISTORY ...............................................................................................5-1

MODULE MANUALS

Transmitter Main Board Instruction Manual ..................................... IM20-MT3TXMN

UHF Amplifier Instruction Manual UT-3 406 - 512 MHz ..............IM23-UT3400AMP

Enhanced Synthsizer Instruction Manual OS(R/T)-3A/H 29-470 MHz ..IM10-OS3AH

UHF Transmitter Channel Designation Table .....................................IM23-UT3400CT