Table of Contents
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PREFACE ...................................................................................................................................................... I
About this Manual ........................................................................................................................................ i
Conventions and References...................................................................................................................... i
Patents and Trademarks ............................................................................................................................ i
Warnings, Cautions, and Notes ................................................................................................................. ii
Recommended Standard Designations ..................................................................................................... ii
Metric Conversion ...................................................................................................................................... ii
Safety and Compliance .............................................................................................................................. iii
Electrical Safety Notice ............................................................................................................................. iii
Product Support ........................................................................................................................................ iv
Comtech EF Data Headquarters ............................................................................................................... iv
Warranty Policy ......................................................................................................................................... v
Limitations of Warranty .............................................................................................................................. v
Exclusive Remedies .................................................................................................................................. vi
INTRODUCTION ......................................................................................................... 1-1
1.1
Overview ...................................................................................................................................... 1-1
1.2
Functional Description ............................................................................................................... 1-2
1.3
Theory of Operation .................................................................................................................... 1-4
1.3.1
Phase and Gain Equalization ................................................................................................... 1-4
1.3.2
System Gain ............................................................................................................................. 1-5
1.3.3
System Attenuation ................................................................................................................... 1-5
1.3.4
Soft Fail Protection .................................................................................................................... 1-5
1.4
Dimensional Envelope ................................................................................................................ 1-6
EXTERNAL CONNECTORS ...................................................................................... 2-1
2.1
Overview ...................................................................................................................................... 2-1
2.2
Monitor and Control (M&C) Interface Connectors ................................................................... 2-2
2.2.1
SYSTEM COM | J1 Connector ................................................................................................. 2-2
2.2.2
SSPA COM 1 | J2 and SSPA COM 2 | J3 Connectors .............................................................. 2-3
2.3
SSPA SW OUT | J5 Connector ................................................................................................... 2-4
2.3.1
RF INPUT SWITCH | J6 Connector .......................................................................................... 2-5
2.4
RF Interface Connectors ............................................................................................................ 2-6
2.4.1
RF IN 1 | J7 and RF IN 2 | J8 Connectors ................................................................................ 2-6
2.4.2
SSPA OUT 1 | J9 Connector ..................................................................................................... 2-6
2.4.3
SSPA OUT 2 | J10 Connector ................................................................................................... 2-6
2.5
Power and Ground Interfaces .................................................................................................... 2-7
2.5.1
AC Power .................................................................................................................................. 2-7
2.5.2
Ground Connector .................................................................................................................... 2-7
OPERATION AND ADJUSTMENT PROCEDURES .................................................. 3-1
3.1
Overview ...................................................................................................................................... 3-1
3.2
System Assembly, Cabling Connections, and Installation ..................................................... 3-2
3.2.1
1+1 Phase Combiner System Assembly .................................................................................. 3-2
3.2.2
PCCB Cabling Connections ...................................................................................................... 3-3
Table of Contents
PCB-4000A 1+1 Phase Combiner
TABLE OF CONTENTS
TOC-1
Revision 2
MN-PCB-4000A
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Table of Contents
