Motorola R-20018 Manual page 3

LIST OF ILLUSTRATIONS
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TABLE OF CONTENTS (CONT)
1-1 Communications System Analyzer .......................................................... 1-0
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2-1 Accessories Supplied with Analyzer ......................................................... 2-4 SECTION 7 - LOW VOLTAGE POWER SUPPLY (A1)
3-1 Typical Communication System Analyzer Packaging ......................................... 3-1
7-1 General .................................................................................. 7-1
4-1 Controls, Indicators, and Connectors, Front Panel ........................................... 4-2
7-2 Input Power Control ...................................................................... 7-1
4-2 Controls, Indicators, and Connectors, Left Side Panel ....................................... 4-3
7-6 DC Output Control ....................................................................... 7-1
4-3 Controls, Indicators. and Connectors, Rear Panel ............................................ 4-3
4-4 System Analyzer Time Base Calibrate Test Setup and CRT Display .......................... 4-13
7-9 Protection Circuitry ....................................................................... 7-1
7-13 High Voltage Supply Control ............................................................. 7-2
7-14 Switcher Module A 1A 1 ................................................................... 7-2
4-5 Duplex Generation Test Setup and CRT Display ............................................ 4-14
7-17 Output Module A1A2 ...................................................................... 7-2
4-6 Spectrum Test Setup and CRT Display ..................................................... 4-16
4-7 Wattmeter Test Setup and CRT Display .................................................... 4-17
7-21 Control Module A1A3 .................................................................... 7-3
7-24 Relay Module A1A4 ...................................................................... 7-4
4-8 Test Setup for FM Receiver Sensitivity Using Generator and SINAD SECTION 8 - SCOPE AMPLIFIER (A2)
Meter with CRT Display ................................................................... 4-18
8-1 General .................................................................................. 8-1
4-9 Test Setup for Pager and Alert Functions with CRT Display ................................. 4-19
8-2 Deflection Amplifiers ..................................................................... 8-1
4-10 Test Setup for Using DVM and Signal Generate with CRT Display ........................... 4-20 8-3 Horizontal Timebase Generator ........................................................... 8-1
5-1 Communication System Analyzer. Top View Cover Removed ................................. 5-6
5-2 Communication System Analyzer, Bottom View Cover Removed .............................. 5-6
8-5 Horizontal Switching ...................................................................... 8-1
8-6 Intensity Control ......................................................................... 8-1
8-8 Focus Control ............................................................................ 8-1
5-3 Communication System Analyzer Block Diagram .......................................... 5-9
8-9 Astigmatism, Geometry, and Trace Rotation ............................................... 8-1
5-4 Generate Mode Block Diagram ............................................................ 5-12
5-5 Power Meter Block Diagram ............................................................... 5-14
SECTION 9 - SCOPE/DVM CONTROL MODULE (A3)
5-6 Monitor Mode Block Diagram ............................................................. 5-15
5-7 Duplex Generator Block Diagram .......................................................... 5-17
9-1 General .................................................................................. 9-1
9-4 Scope Vertical Control .................................................................... 9-1
9-7 SSB Detection ............................................................................ 9-1
5-B Code Synthesizer Block Diagram .......................................................... 5-18
9-8 455 kHz PLL ............................................................................. 9-2
5-9 Frequency Counter Block Diagram ........................................................ 5-19
9-9 Scope Horizontal Control ................................................................. 9-2
5-10 Digital Voltmeter (DVM) Block Diagram .................................................... 5-20
5-11 Oscilloscope Block Diagram ............................................................... 5-22
9-11 Synthesizer Sweep Control. ............................................................... 9-2
9-12 Scope Z-Axis Control ..................................................................... 9-2
9-13 Modulation Display Control ............................................................... 9-2
5-12 Sinad Meter Block Diagram ............................................................... 5-24
9-17 Peak Detector ............................................................................ 9-3
5-13 Scope Amplifier Alignment Points ......................................................... 5-25
5-14 Front Panel Interface Alignment Points .................................................... 5-28
5-15 Scope/DVM Control Alignment Points ..................................................... 5-29
9-18 DVM Control ............................................................................. 9-3
9-21 SINAD Detection ......................................................................... 9-4
9-22 Module Control. .......................................................................... 9-4
5-16 Horizontal Time Base Alignment Points .................................................... 5-29
SECTION 10 -
RECEIVER (A4)
5-17 DVM Input Buffer Alignment Points ........................................................ 5-30
10-1 General ................................................................................. 10-1
5-18 Scope/DVM Control Test Point Numbering ................................................. 5-30
5-19 Processor 1/0 A/D Alignment Points ....................................................... 5-31
5-20 Scope/DVM Control Char Sweep and Sinad Alignment Points ............................... 5-32
10-2 Down Converter ......................................................................... 1 0-1
10-4 Linear IF Amplifier and Detectors ......................................................... 10-1
10-8 Audio Switching and Filtering ............................................................ 10-1
10-10 Logarithmic Amplifier and Detector ....................................................... 10-2
10-11 Alarm Generator and Audio Amplifier ..................................................... 10-2
10-12 Module Control. ......................................................................... 10-2
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