Codan Radio Communications UT-3-460-S08 Manual De Usuario

UHF Transmitter Instruction Manual UT-3 406 - 512 MHz

iii

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