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Inverter
2023A
Operating manual
Aeroflex 2023A Operating Manual
Am/fm signal generator
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Contents
Table of Contents
Bookmarks
Table of Contents
Table of Contents
About this Manual
Chapter 1 GENERAL INFORMATION
Chapter 1 General Information
Introduction
Main Features
Operation
Display
Frequency Selection
Output
Calibration
Modulation
Incrementing
Frequency Sweep
SINAD Measurement (Option 12)
Memory
Programming
Calibration Data
Performance Data
Chapter 2 INSTALLATION
Versions, Options and Accessories
Ec Declaration of Conformity
Chapter 2 Installation
Initial Visual Inspection
Installation Requirements
Mounting Arrangements
Ventilation
Power Cords
Goods-In Checks
Instrument Operating Position
AC Operation
Connecting to Supply
Disconnecting Device
AC Fuse
Internal Fuse
DC Operation (Option 2)
DC Fuse
DC Supply Cable
Fig. 2-1 DC Input Socket Showing Connector Polarity (Viewed from Rear of Instrument)
Fig. 2-2 GPIB Connector Contact Assignments (Viewed from Rear of Instrument)
General Purpose Interface Bus (GPIB)
GPIB Cable Connection
GPIB Connector Contact Assignments
Fig. 2-3 IEEE to IEC Conversion
IEEE to IEC Conversion
Interface Bus Connection
Fig. 2-4 RS-232 Connector Contact Assignments (Viewed from Rear of Instrument)
Rack Mounting
RS-232 Interface
RS-232 Connector
Routine Maintenance
Safety Testing and Inspection
Visual Inspection
Cleaning
Cleaning the LCD Window
Putting into Storage
Software Driver and Soft Front Panel
Operation
Chapter 3 PRINCIPLES of OPERATION
Chapter 4 Local Operation
Front-Panel Controls and Connectors
Connectors
Keyboard
Introduction
Rear-Panel Connectors
First-Time Use
Switching on
Display
Selecting Functions and Keyboard Entry
Carrier Frequency
RF Level
Modulation
Using [NEXT] and [PREV] to Select a Function
Using the [ ÷10] and [ ×10] Keys
With the Control Knob
With Steps
Using the Utility Menus
Menu Conventions
Carrier Sweep Operation
Sweep Parameters
Sweep Mode
Sweep Control
Detailed Operation
Selecting Carrier Frequency
Carrier On/Off
Carrier Phase Adjustment
Selecting RF Level
Choice of Units
Attenuator Hold
Reverse Power Protection
RF Level Linear Units
RF Level Logarithmic Units
Mode Selection
Modulation Modes
Source Selection − Internal
Source Selection − External
Modulation Enable/Disable
Modulation Source Phase Adjustment
Modulation Selection
Amplitude Modulation Selection − Internal
Frequency Modulation Selection − Internal
Phase Modulation Selection − Internal
Pulse Modulation Selection (With/Without Option 9)
FSK Selection
Pulse Modulation (Option 9 Fitted)
Function Generator
Default Settings
Table 4-1 Instrument Default Settings
Memory
Memory Stores
Memory Recall
Recalling Data
Recalling Default Settings
Memory Sequencing
Memory State Summary
Memory Write Protection
Memory Cloning
Remote Operation
Frequency Standard Selection
General
50 Ω/75 Ω Impedance Selection
RF Level Limit
RF Level Offsets
DCFM Nulling
SINAD Measurement (Option 12)
Keyboard Locking and Display Blanking
Adjusting the Display
Power-Up Options
Hardware Information
Software Information
Instrument Options
Protection Locking and Unlocking
Calibration
Changing the Password
Error Handling
Background Errors
Foreground Errors
Error Message Priority
GPIB Errors
Table 4-2 Background Errors (500−599) in Priority Order
Table 4-3 Foreground Errors (0−399)
Table 4-4 GPIB Errors (400−499)
Error Messages
Chapter 5 Remote Operation
Preparing the Instrument for Remote Operation
Introduction
Plug and Play Driver
Local Lockout
Remote/Local Operation
Remote Operation Selection
RS-232 Operation
RS-232 Control Port
Handshaking
Software Only
Hardware Only
Hardware and Software
Control Characters
Setting RS-232 Parameters
GPIB Functions
GPIB Operation
GPIB Control Port
Setting GPIB Address
Device Listening Elements
Device Talking Elements
Programming
Program Messages
Compound Headers
Program Data
Message Exchange Protocol
Common Commands and Queries (IEEE 488.2)
Device-Dependent Commands
Default Settings
Carrier Frequency
RF Level
Output Control
Modulation Control
Modulation Mode
Frequency Modulation (and FSK)
Phase Modulation
Amplitude Modulation
Pulse Modulation
Pulse Generation
LF Generator
Memory − Erase
Memory − Recall
Memory − Store
Memory − Sequencing
Memory − Protection
Memory − Triggering
Sweep Operation
Sweep Mode
Sweep Control
SINAD Mode
Miscellaneous Commands
Status Byte
Status Data Structure − Register Model
Standard Event Registers
Hardware Event Registers
Coupling Event Registers
Instrument Event Registers
Queue Flag Details
Status Byte When Read by *STB
Status Byte When Read by Serial Poll
Summary of Status Reporting Commands and Queries
Chapter 6 TECHNICAL DESCRIPTION
Chapter 7 Acceptance Testing
Introduction
Test Precautions
Recommended Test Equipment
RF Output
RF Level Frequency Response
ALC Linearity
Attenuator Accuracy
Test Procedures
Carrier Frequency Accuracy
Spectral Purity
Harmonics (Not Option 3 or 11)
Sub- and Non-Harmonics
Residual FM
SSB Phase Noise
RF Leakage
Internal FM
FM Deviation and Distortion
FM Scale Shape
Carrier Error
External FM Frequency Response (ALC Off, DC Coupled)
External FM Frequency Response (ALC On)
Phase Modulation
Phase Modulation Flatness
Amplitude Modulation
AM Depth and Distortion
AM Scale Shape
External am Frequency Response (ALC Off, DC Coupled)
Pulse Modulation
Pulse Modulation RF Level Frequency Response
Pulse Modulation On/Off Ratio
Pulse Modulation Rise and Fall Time
Modulation Oscillator
Modulation Oscillator Frequencies
Modulation Oscillator Distortion and LF Output Flatness
Function Generator
Frequency Response
Level Accuracy
External Frequency Standard Input
RF Output
RF Level Frequency Response
ALC Linearity
Test Procedures for Instruments Fitted with Option 3
Carrier Harmonics
Sinad
Measurement Accuracy
Test Procedures for Instruments Fitted with Option 12
Acceptance Test Results Tables
Annex a Option 7 Fast Pulse Modulation
General Description
Performance Data
Controls and Connectors
Front-Panel Connectors
Rear-Panel Connectors
Operation
Pulse Modulation Selection
Remote Operation
Brief Technical Description
Chapter 7 Acceptance Testing
Pulse Modulation
Annex B Option 11 Fast Pulse and High Power
General Description
Performance Data
Controls and Connectors
Front-Panel Connectors
Rear-Panel Connectors
Operation
Pulse Modulation Selection
Remote Operation
Brief Technical Description
Acceptance Testing
RF Output
RF Level Frequency Response
ALC Linearity
Carrier Harmonics
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AM/FM SIGNAL GENERATORS
2023A, 2023B, 2025
Operating Manual
Document part no. 46892/373
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Chapters
Table of Contents
4
Chapter 1 General Information
21
Chapter 2 Installation
33
Chapter 4 Local Operation
52
Chapter 5 Remote Operation
110
Chapter 7 Acceptance Testing
158
Annex a Option 7 Fast Pulse Modulation
234
Annex B Option 11 Fast Pulse and High Power
248
Table of Contents
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2023b
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