Aeroflex 2944B Manuals

Manuals and User Guides for Aeroflex 2944B. We have 1 Aeroflex 2944B manual available for free PDF download: Operating Manual

Aeroflex 2944B Operating Manual

Aeroflex 2944B Operating Manual (227 pages)

COMMUNICATIONS SERVICE MONITOR

Brand: Aeroflex | Category: Measuring Instruments | Size: 3.23 MB

Table of Contents

Table of Contents

4
- Operating Manual
  1
- About this Manual
  3
Chapter 1 General Information

25
- Purpose and Features
  26
  - Transmitter Testing
    27
- Fig. 1-1 Transmitter Test Setup
  27
  - Receiver Testing
    28
- Fig. 1-2 Receiver Test Setup
  28
  - Duplex Testing
    29
- Fig. 1-3 One Port Duplex Test Setup
  29
- Fig. 1-4 Two Port Duplex Test Setup
  29
  - Spectrum Analyzer
    30
  - AF Testing
    30
- Fig. 1-5 AF Test Setup
  30
- Performance Data
  31
  - Receiver Measurements
    31
  - Audio Analyzer
    33
  - Transmitter Measurements
    35
  - RF Spectrum Analyzer
    37
  - Audio Generators
    38
  - Frequency Standard
    38
  - General
    39
  - Options and Accessories
    40
Chapter 2 Installation

43
- Chapter 1 GENERAL INFORMATION
  43
- Initial Visual Inspection of New Instruments
  44
- Introduction
  44
- Ventilation
  44
- Fuses
  45
  - Class I Power Cords (3-Core)
    46
- Operational Case (46662/571) Shoulder Strap
  45
  - Bail Arm Option
    45
- Power Requirements
  45
- Connecting to a DC Supply and Fitting Batteries
  48
- RF and AF Connections
  48
- Accessory Socket Connections
  49
- Table 2-1 Accessory Socket Pin Numbering, Location and Functions
  49
- Table 2-2 Accessory Socket Logic and Applications
  50
- Remote Control Connections
  51
  - Rs232
    51
  - Gpib
    52
- Self Tests and Acceptance Tests
  53
  - Self Tests
    53
- Using the Service Monitor
  54
- Routine Maintenance
  55
  - Ventilation Fan and Filter
    55
- Routine Safety Testing and Inspection
  56
  - Visual Inspection
    56
  - Earth Bonding Tests
    56
  - Insulation Tests
    57
  - Rectification
    57
  - Cleaning
    57
Chapter 3 Local Operation

58
- About this Chapter
  60
- Front Panel Layout
  61
- Rear Panel Controls and Connectors
  65
- Getting Started
  66
  - (Applying Power and Selecting Test Modes)
    66
- Test Mode Screens and Menus
  67
  - Help/Setup
    68
  - Remote Control
    70
- Bar Charts
  76
- Oscilloscope
  76
- Spectrum Analyzer
  76
- Brief Descriptions
  77
- Using the Test Modes
  77
- Tx Test (Transmitter Testing)
  79
  - Overview
    79
  - Connections
    80
  - Setting up
    81
  - Making Measurements
    88
  - External Attenuators
    89
- Rx Test (Receiver Testing)
  94
  - Overview
    94
  - Connections
    95
  - Setting up
    96
  - AF Input Level Measurement
    100
  - Making Measurements
    103
- DX Test (Duplex Testing)
  109
  - Overview
    109
- Spectrum Analyzer
  111
  - Overview
    112
  - Setting up
    112
  - Reference Level
    113
- AF Test (Audio Frequency Testing)
  119
  - Overview
    119
  - Setting up
    120
  - Input Level Measurement
    120
  - Input Filtering
    120
  - Distortion Measurement
    121
- Incremental Adjustment Keys
  123
  - General
    123
  - Assigning
    124
  - Use Within Spectrum Analyzer Mode
    124
- Tones
  125
  - Tones Sub-Mode
    125
  - Observing Tones Signals in Other Test Modes
    125
  - Signal Routing
    126
  - RF Input Attenuators
    126
- Sequential Tones
  127
  - Overview
    127
  - Testing Sequential Tone Receivers
    127
  - Testing Sequential Tone Transmitters
    130
- Ctcss
  132
  - Output Level
    132
  - Tone Selection
    132
  - Tone Frequency Shift
    132
- Dcs
  134
  - Overview
    134
  - DCS Receiver Decoder Testing
    135
  - DCS Transmitter Encoder Testing
    136
- Dtmf
  137
  - Overview
    137
  - Tx Test DTMF Tones Function
    137
  - Rx Test DTMF Tones Function
    138
  - DX Test DTMF Tones Function
    139
  - AF Test DTMF Tones Function
    139
- Pocsag
  141
  - Overview
    141
  - Testing a Radio Pager
    143
- Oscilloscope
  144
  - Setting up
    144
  - Expanded Display
    145
- Stores, Settings/Results
  146
  - Overview
    146
  - Store/Recall
    146
  - Storing
    147
  - Display Hold Store
    147
  - Other Memory Functions
    147
  - Titling Store Locations
    148
  - Error Messages
    148
- Printer
  149
  - Parallel Printer Port Option
    149
Chapter 4 Technical Description

158
- Overview
  159
  - Power Supply
    159
  - The Display
    160
- Tx Test Mode
  162
  - Modulation Sources
    162
    
    Audio Generators
    162
    
    Data Generator
    163
  - Receiver Circuits
    164
    
    Input Switching
    164
    
    Broad Band Power Meter
    164
    
    Overload Detection
    165
    
    Switched Attenuator
    165
  - IF Circuits
    165
    
    First Frequency Changer/Mixer
    165
    
    First Local Oscillator
    165
    
    Second Frequency Changer/Mixer
    165
    
    Second Local Oscillator
    166
    
    Third Frequency Changer/Mixer
    166
    
    Bandwidth Filters
    166
  - Demodulators
    166
    
    AM Demodulator
    166
    
    FM Demodulator
    166
    
    SSB Demodulator (Optional)
    167
    
    De-Emphasis Filter
    167
  - RF Counter
    167
  - Measurement Ranging Circuits
    167
  - Distortion/Sinad Filter
    168
  - Oscilloscope Function
    168
- Rx Test Mode
  168
  - RF Generator
    168
  - Modulators
    169
  - RF Amplifier
    169
  - Audio Generators
    169
  - Modulation Control
    169
  - Pre-Emphasis Filter
    169
  - AF Measuring Circuits
    169
  - Oscilloscope Function
    170
- AF Test Mode
  170
- DX Test Mode
  170
- Spectrum Analyzer Mode
  170
  - Look and Listen Function (Optional)
    170
Chapter 5 Acceptance Testing

171
- Introduction
  173
  - Results Tables
    173
  - Before Starting
    173
  - Test Equipment
    174
- RF Output Tests
  175
  - Carrier Frequency Accuracy
    175
  - RF Output Level
    177
    
    ALC Linearity
    178
    
    BNC Output Mode
    178
    
    Attenuator Accuracy
    178
    
    Alternative Attenuator Functional Check
    179
  - Spectral Purity
    180
    
    Harmonics, Spurious, RF Carrier Leakage, Residual FM
    180
  - Amplitude Modulation
    183
  - Frequency Modulation
    185
- AF Output Tests
  187
  - Audio Generator Output Level
    187
  - Audio Generator Distortion
    188
  - Audio Generator Frequency
    189
- AF Input Tests
  190
  - Audio Frequency Meter
    190
  - Audio Voltmeter
    191
  - Audio Oscilloscope
    193
  - AF Distortion & SINAD Meter
    194
- RF Input Tests
  195
  - Modulation Analyzer - FM
    195
  - Modulation Analyzer - am
    198
  - RF Frequency Meter
    200
  - RF Spectrum Analyzer
    202
  - RF Broad Band Power Meter
    204
- Acceptance Test Results Tables
  206
- Index
  222

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