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SE-4250 RF Exciter and Test Signal Simulator, Operation and Maintenance Manual, Rev B

SRI
Summation Research Inc



SE-4250 L/S-Band RF Exciter &
Test Signal Simulator System
Operations and Maintenance Manual

Meeting 21
st
Century Challenges
- with
Technically Appropriate Solutions

Prepared by: Summation Research Inc Melbourne, FL
SRI Document Number: 70-4250-00 O&M
Revision:B

This document contains information proprietary and confidential to SRI. Transmittal, receipt, or possession of this document does not express,
license, or imply any rights to use, design, or manufacture from this information. No reproduction, publication, or disclosure of this information,
in whole or in part, shall be made without prior written authorization from an officer of SRI.

SRI 751 NORTH DRIVE MELBOURNE, FLORIDA 32934
(321) 254-2580 FAX (321) 254-2492 Internet :
http://www.summationresearch.com

Email :
info@summationresearch.com

© Copyright 2007, SRI Printed in U.S.A.
Development

Research

SE-4250 OM Rev B.doc

SE-4250 Exciter O&M Manual


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Record of Changes

Dates of issue for original and each revision of this document are:
REVISION
DATE
TITLE OR BRIEF DESCRIPTION
ISSUED BY
B
January, 2007
Initial Production Release
Tom Drago





















LIST OF EFFECTIVE PAGES
This document is arranged in the following four (4) parts:

1 Document
Cover
2 Record
of
Changes
3 Table
of
Contents

4
Document Main Text

NOTE: On partial document updates, insert latest changed pages and destroy superseded pages. A vertical
line in the outer margin of the page indicates the portion of the text affected by changes for partial
revisions. A vertical line in the outer margin of the Figure or Table name indicates changes to illustrations
or tables. SE-4250 OM Rev B.doc

SE-4250 Exciter O&M Manual


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(Intentionally Left Blank) SE-4250 OM Rev B.doc

SE-4250 Exciter O&M Manual


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Table of Contents


SECTION 1

INTRODUCTION ........................................................................................................... 1

1.1

Scope.................................................................................................................................. 1

1.2

Product Description ........................................................................................................... 1

1.3

Technical Specifications .................................................................................................... 2

1.3.1

RF Subsystem Specifications .............................................................................. 2

1.3.2

Digital Encoder/Modulator Specifications .......................................................... 2

1.3.3

Analog Modulator Specifications ........................................................................ 4

1.3.4

Simulation/Test Specifications ............................................................................ 5

1.3.5

System Status/Control Specifications.................................................................. 5

1.3.6

Other Specifications ............................................................................................ 7

SECTION 2

SE-4250 EQUIPMENT DESCRIPTION ....................................................................... 9

2.1

Functional Overview.......................................................................................................... 9

2.2

System Details ................................................................................................................. 10

2.2.1

Digital Subsystem.............................................................................................. 11

2.2.1.1

Hardware Overview ............................................................................ 11

2.2.1.2

Firmware Algorithm Details ............................................................... 12

2.2.1.2.1

Pattern/Clock Generators and Comparators ......................................12

2.2.1.2.2

Scrambling........................................................................................12

2.2.1.2.3

PCM Encoder....................................................................................13

2.2.1.2.4

Convolutional Encoder .....................................................................13

2.2.1.2.5

Digital Modulation............................................................................14

2.2.1.2.6

Analog Modulation ...........................................................................15

2.2.1.2.7

Digital Noise Simulation...................................................................16

2.2.1.2.8

Final Output Calibration Processing .................................................16

2.2.2

RF Subsystem.................................................................................................... 17

2.2.2.1

Vector Modulator Assembly ............................................................... 17

2.2.2.2

Synthesizer .......................................................................................... 17

2.2.2.3

Programmable Attenuator ................................................................... 18

2.2.3

Chassis Subsystem............................................................................................. 18

SECTION 3

RECEIVING, INSPECTION AND INSTALLATION............................................... 19

3.1

Unloading and Unpacking ............................................................................................... 19

3.2

Receiving Documentation................................................................................................ 19

3.3

Installation and Connection Requirements ...................................................................... 19

3.4

Connector Descriptions and Signal Definitions............................................................... 20

3.4.1

AC Power Input................................................................................................. 20

3.4.2

TTL Data/Clock I/O .......................................................................................... 21

3.4.3

Differential Data/Clock I/O ............................................................................... 22

3.4.4

Analog Waveform Input.................................................................................... 22

3.4.5

I/Q Waveform Inputs......................................................................................... 23

3.4.6

Reference Input/Output ..................................................................................... 23

3.4.7

RF Outputs......................................................................................................... 24

3.4.8

RS-232 Remote Status/Control.......................................................................... 24

3.4.9

Ethernet Remote Status/Control ........................................................................ 25

3.4.10

Monitor Outputs ................................................................................................ 25

SECTION 4

OPERATION ................................................................................................................. 27

4.1

Front Panel Status/Control............................................................................................... 27

4.1.1

Power-On Sequence/Built-in-test ...................................................................... 27

4.1.2

Displays ............................................................................................................. 27

4.1.2.1

Configuration Displays........................................................................ 27

4.1.2.2

Status Display...................................................................................... 43

4.1.3

Data Entry.......................................................................................................... 43

4.1.3.1

General ................................................................................................ 43
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4.1.3.2

Numeric Displays................................................................................ 44

4.1.3.3

Data Entry Timeouts ........................................................................... 44

4.1.3.4

Data Entry Restarts...............................................