UBS Axcera LU500AL Table of Contents Exciter

Analog UHF Driver/Translator Table of Contents

TABLE OF CONTENTS

SECTION PAGE

CHAPTER 1 INTRODUCTION

1.1 Manual Overview................................................................................. 1-1

1.2 Assembly Designation Numbers ............................................................ 1-1

1.3 Safety................................................................................................ 1-1

1.4 Maintenance ....................................................................................... 1-2

1.5 Material Return Procedure .................................................................... 1-2

1.6 Limited One-Year Warranty for Axcera Products ...................................... 1-3

CHAPTER 2 SYSTEM DESCRIPTION & REMOTE CONTROL CONNECTIONS

2.1 System Overview ............................................................................... 2-1

2.1.1 Receiver Tray............................................................................. 2-2

2.1.2 IF Processor Module.................................................................... 2-3

2.1.3 LO/Upconverter Module............................................................... 2-5

2.1.4 Control & Monitoring/Power Supply Module.................................... 2-7

2.1.5 Power Amplifier Module ............................................................... 2-8

2.1.6 RF Output Assemblies ................................................................. 2-9

2.2 Control and Status............................................................................... 2-9

2.2.1 Front Panel LCD Display Screen...................................................2-10

2.3 System Operation...............................................................................2-10

2.3.1 Principles of Operation ...............................................................2-11

2.4 Customer Remote Connections.............................................................2-12

CHAPTER 3 SITE CONSIDERATIONS, INSTALLATION AND SETUP PROCEDURES

3.1 Site Considerations.............................................................................. 3-1

3.2 Unpacking the Chassis w/Modules and Receiver Tray ............................... 3-4

3.3 Installing the Chassis w/Modules and Receiver Tray ................................. 3-4

3.4 AC Input ............................................................................................ 3-6

3.5 Setup and Operation............................................................................ 3-6

3.5.1 Input Connections ...................................................................... 3-7

3.5.2 Front Panel Screens for the Exciter/Amplifier Chassis Assembly ........ 3-9

CHAPTER 4 CIRCUIT DESCRIPTIONS

4.1 Receiver Tray...................................................................................... 4-1

4.1.1 50-Ohm Filter ............................................................................ 4-1

4.1.2 Dual Stage Amplifier Assembly..................................................... 4-1

4.1.3 Channel Filter ............................................................................ 4-1

4.1.4 Downconverter Amplifier Assembly ............................................... 4-2

4.1.5 Channel Oscillator Assembly ........................................................ 4-2

4.1.6 x8, x2, x4 Multiplier Board........................................................... 4-2

4.1.7 L.O. Filter .................................................................................. 4-2

4.1.8 IF Filter/ALC Board ..................................................................... 4-2

4.1.9 SAW Board (Optional) ................................................................. 4-2

4.1.10 IF Amplifier Board (Optional)...................................................... 4-3

4.1.11 IF Filter/Limiter Board (Optional) ................................................ 4-3

4.1.12 IF PLL Board (Optional) ............................................................. 4-3

4.1.13 IF Carrier Oven Oscillator (Optional) ........................................... 4-3

LX Series, Rev. 0 August 29, 2003 i

Analog UHF Driver/Translator Table of Contents

TABLE OF CONTENTS - (Continued)

SECTION ...............................................................................................PAGE

4.1.14 +/- 12V Power Supply Board...................................................... 4-4

4.2 IF Processor Module............................................................................. 4-4

4.2.1 IF Processor Board ..................................................................... 4-4

4.3 LO/Upconverter Module.......................................................................4-10

4.3.1 UHF Generator Board.................................................................4-10

4.3.2 UHF Filters................................................................................4-11

4.3.3 LO/Upconverter Board ...............................................................4-11

4.4 Control Monitoring/Power Supply Module...............................................4-15

4.4.1 Power Protection Board ..............................................................4-16

4.4.2 Control Board ...........................................................................4-16

4.4.3 Switch Board ............................................................................4-19

4.4.4 Switching Power Supply Assembly ...............................................4-19

4.5 Power Amplifier Module Assembly.........................................................4-19

4.5.1 1-Watt Amplifier Module Assembly...............................................4-19

4.5.2 1-Watt UHF Amplifier Board ........................................................4-19

4.5.3 40 Watt UHF Amplifier Assembly .................................................4-20

4.5.4 UHF Module Assembly, RF Module Pallet .......................................4-20

4.5.5 Coupler Board Assembly.............................................................4-21

4.5.6 Amplifier Control Board ..............................................................4-21

CHAPTER 5 DETAILED ALIGNMENT PROCEDURES

Module Replacement................................................................... 5-1

Initial Test Setup........................................................................ 5-1

5.1 UHF/VHF Receiver Tray......................................................................... 5-2

5.1.1 UHF Filter .................................................................................. 5-2

5.1.2 Dual Stage Amplifier Board .......................................................... 5-2

5.1.3 UHF Filter .................................................................................. 5-2

5.1.4 Channel Oscillator Assembly ........................................................ 5-2

5.1.5 x8, x4, x2 Multiplier Board........................................................... 5-3

5.1.6 UHF Filter .................................................................................. 5-4

5.1.7 Downconverter Amplifier Board .................................................... 5-4

5.1.8 IF Filter/ALC Board ..................................................................... 5-4

5.1.9 SAW Filter Board (Optional) ......................................................... 5-4

5.1.10 +/- 12V Power Supply............................................................... 5-4

5.1.11 IF Carrier Oscillator Board (Optional)........................................... 5-4

5.1.12 IF Filter/Limiter Board ............................................................... 5-4

5.1.13 IF PLL Board (Optional) ............................................................. 5-4

5.1.14 IF Amplifier Board, High Gain (Optional) ...................................... 5-5

5.2 Innovator LX Series Exciter/Amplifier Chassis Assembly ........................... 5-6

5.2.1 Linearity Correction Adjustment ................................................... 5-6

5.2.2 Frequency Response Delay Equalization Adjustment ....................... 5-7

5.2.3 Calibration of Output Power and Reflected Power............................ 5-7

5.3 Alignment Procedure for the Band-pass Filter Assembly ......................... 5-8

APPENDICES

APPENDIX A SYSTEM SPECIFICATIONS
APPENDIX B DRAWINGS AND PARTS LISTS

LX Series, Rev. 0 August 29, 2003 ii