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Agilent Technologies
E8257D PSG, E8267D PSG manual
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Contents
Main
Users Guide
Agilent Technologies E8257D/67D PSG Signal Generators
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Documentation Overview
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Signal Generator Models and Features
E8257D PSG Analog Signal Generator Features
E8267D PSG Vector Signal Generator Features
Options
Firmware Upgrades
To Upgrade Firmware
Modes of Operation
Continuous Wave
Swept Signal
Analog Modulation
Digital Modulation
Front Panel
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8. Trigger
9. MENUS
10. Help
11. EXT 1 INPUT
12. EXT 2 INPUT
13. LF OUTPUT
14. Mod On/Off
15. ALC INPUT
16. RF On/Off
18. RF OUTPUT
19. SYNC OUT
20. VIDEO OUT
21. Incr Set
22. GATE/ PULSE/ TRIGGER INPUT
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34. DATA CLOCK
35. DATA
36. Q Input
37. I Input
Front Panel Display
1. Active Entry Area
2. Frequency Area
3. Annunciators
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4. Digital Modulation Annunciators
5. Amplitude Area
6. Error Message Area
7. Text Area
8. Softkey Label Area
Rear Panel
Chapter 1 19
Signal Generator Overview Rear Panel
Figure1-4 E8267D Option 1EM Rear Panel
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Figure1-6 E8257D Option 1EM Rear Panel
1. EVENT 1
2. EVENT 2
3. PATTERN TRIG IN
4. BURST GATE IN
5. AUXILIARY I/O
6. DIGITAL BUS
7. Q OUT
8. I OUT
9. WIDEBAND I INPUTS
10. I-bar OUT
11. WIDEBAND Q INPUTS
12. COH CARRIER
13. 1 GHz REF OUT (Serial Prefixes >=US4646/MY4646)
14. Q-bar OUT
15. AC Power Receptacle
16. GPIB
17. 10 MHz EFC
18. ALC HOLD (Serial Prefixes >=US4722/MY4722)
19. AUXILIARY INTERFACE
20. 10 MHz IN
21. LAN
22. 10 MHz OUT
23. STOP SWEEP IN/OUT
24. BASEBAND GEN CLK IN
25. Z-AXIS BLANK/MKRS
26. SWEEP OUT
27. TRIGGER OUT
28. TRIGGER IN
29. SOURCE SETTLED
30. SOURCE MODULE INTERFACE
31. RF OUT
33. EXT 2
34. PULSE SYNC OUT
35. PULSE VIDEO OUT
36. PULSE/TRIG GATE INPUT
37. ALC INPUT
39. I IN
40. SYMBOL SYNC
41. Q IN
42. DATA
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Using Table Editors
Tabl e E dit or So ftk ey s
Modifying Table Items in the Data Fields
Configuring the RF Output
Configuring a Continuous Wave RF Output
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Configuring a Swept RF Output
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Extending the Frequency Range
Modulating a Signal
Turning On a Modulation Format
Applying a Modulation Format to the RF Output
Using Data Storage Functions
Using the Memory Catalog
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Using the Instrument State Registers
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Using Security Functions
60 Chapter 2
Understanding PSG Memory Types
Table2-2 Base Instrument Memory
Chapter 2 61
Table2-3 Baseband Generator Memory (Options 601 and 602)
Table2-2 Base Instrument Memory (Continued)
62 Chapter 2
Table2-4 Hard Disk Memory
Table2-3 Baseband Generator Memory (Options 601 and 602) (Continued)
Removing Sensitive Data from PSG Memory
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Using the Secure Display
Enabling Options
Enabling a Software Option
Using the Web Server
Activating the Web Server
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Custom Modulation
Custom Arb Waveform Generator
Custom Real Time I/Q Baseband
Arbitrary (ARB) Waveform File Headers
Creating a File Header for a Modulation Format Waveform
Modifying Header Information in a Modulation Format
Figure3-2 Custom Digital Modulation Default Header Display
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Storing Header Information for a Dual ARB Player Waveform Sequence
Modifying and Viewing Header Information in the Dual ARB Player
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Playing a Waveform File that Contains a Header
Using the Dual ARB Waveform Player
Accessing the Dual ARB Player
Creating Waveform Segments
Building and Storing a Waveform Sequence
Playing a Waveform
Editing a Waveform Sequence
Adding Real-Time Noise to a Dual ARB Waveform
Storing and Loading Waveform Segments
Renaming a Waveform Segment
Using Waveform Markers
Waveform Marker Concepts
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Accessing Marker Utilities
Viewing Waveform Segment Markers
1. Clearing Marker Points from a Waveform Segment
2. Setting Marker Points in a Waveform Segment
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3. Controlling Markers in a Waveform Sequence (Dual ARB Only)
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Viewing a Marke r Pulse
Using the RF Blanking Marker Function
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Setting Marker Polarity
Triggering Waveforms
Source
Mode and Response
Accessing Trigger Utilities
Setting the Polarity of an External Trigger
Using Gated Triggering
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Using Segment Advance Triggering
Using Waveform Clipping
How Power Peaks Develop
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How Clipping Reduces Peak-to-Average Power
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Configuring Circular Clipping
Configuring Rectangular Clipping
Using Waveform Scaling
How DAC Over-Range Errors Occur
How Scaling Eliminates DAC Over-Range Errors
Scaling a Currently Playing Waveform (Runtime Scal ing)
Scaling a Waveform File in Volatile Memory
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Using the ALC
Selecting ALC Bandwidth
To Select an ALC Bandwidth
RF OUTPUT < 2 MHz
Using External Leveling
To Level with Detectors and Couplers/Splitters
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To Level with a mm-Wave Source Module
Creating and Applying User Flatness Correction
Creating a User Flatness Correction Array
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Applying a User Flatness Correction Array
Creating a User Flatness Correction Array with a mm-Wave Source Module
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Adjusting Reference Oscillator Bandwidth (Option UNR/UNX)
To Select the Reference Oscillator Bandwidth
To Restore Factory Default Settings:
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Analog Modulation Waveforms
Configuring AM (Option UNT)
To Set the Carrier Frequency
To Set the AM Depth and Rate
To Turn on Amplitude Modulation
Configuring FM (Option UNT)
Configuring M (Option UNT)
To Set the M Deviation and Rate
To Activate M
Configuring Pulse Modulation (Option UNU/UNW)
To Set the Pulse Period, Width, and Triggering
To Activate Pulse Modulation
Configuring the LF Output (Option UNT)
To Configure the LF Output with an Internal Modulation Source
To Configure the LF Output with a Function Generator Source
6
Working with Predefined Setups (Modes)
Selecting a Custom ARB Setup or a Custom Digital Modulation State
Working with User-Defined Setups (Modes)Custom Arb Only
Modifying a Single-Carrier NADC Setup
Customizing a Multicarrier Setup
Recalling a User-Defined Custom Digital Modulation State
Working with Filters
Using a Predefined FIR Filter
Using a User-Defined FIR Filter
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Working w ith Symb ol Rates
To Set a Symbol Rate
154 Chpater 6
Custom Arb Waveform Generator Working with Symbol Rates
To Restore the Default Symbol Rate (CustomRealTime I/Q Only)
Working with Modu lation Types
To Select a Predefined Modulation Type
To Use a User-Defined Modulation Type (RealTime I/Q Only)
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Differential Wideband IQ (Option 016)
Single-Ended Wideband IQ (Option 015 - Discontinued)
Configuring Hardware
To Set a Delayed, Positive Polarity, External Single Trigger
To Set the ARB Reference
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7
Working with Predefined Setups (Modes)
Selecting a Predefined Real Time Modulation Setup
Deselecting a Predefined Real Time Modulation Setup
Working with Data Patterns
Using a Predefined Data Pattern
Using a User-Defined Data Pattern
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Using an Externally Supplied Data Pattern
Working with Burst Shapes
Configuring the Burst Rise and Fall Parameters
Using User-Defined Burst Shape Curves
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Configuring Hardware
To Set the BBG Reference
To Set the External DATA CLOCK to Receive Input as Either Normal or Symbol
To Set the BBG DATA CLOCK to External or Internal
To Adjust the I/Q Scaling
Working with Phase Polarity
To Set Phase Polarity to Normal or Inverted
Working with Differential Data Encoding
Understanding Differential Encoding
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transmittedbit i() databit i 1()=databit i()
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Using Differential Encoding
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8
Creating, Viewing, and Optimizing Multitone Waveforms
To Create a Custom Multitone Waveform
To View a Multitone Waveform
To Edit the Multitone Setup Table
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To Minimize Carrier Feedthrough
To Determine Peak to Average Characteristics
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Creating, Viewing, and Modifying Two-Tone Waveforms
To Cr ea te a Tw o-To ne Wav ef or m
To Vi ew a Tw o-To ne Wav ef or m
To Minimize Carrier Feedthrough
To Change the Alignment of a Two-Tone Waveform
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Configuring the AWGN Generator
Arb Waveform Generator AWGN
Real Time I/Q Baseband AWGN
11
N5102A Digital Signal Interface Module
Clock Timing
See the PSG Users Guide for information
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4 Clocks Per Sample
2 Clocks Per Sample
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4 Clocks Per Sample
2 Clocks Per Sample
256 Clock Rate
------------------------------------------
Connecting the Clock Source and the Device Under Test
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Data Types
Mode
Operating the N5102A Module in Output Mode
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Operating the N5102A Module in Input Mode
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Millimeter-Wave Source Modules
Using Agilent Millimeter-Wave Source Modules
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Using Other Source Modules
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RF Output Power Problems
No RF Output Power when Playing a Waveform File
RF Output Power too Low
The Power Supply has Shut Down
Signal Loss While Working with a Mixer
SIGNAL GENERATOR OUTPUT CONTROL MIXER
Signal Loss While Working with a Spectrum Analyzer
SIGNAL GENERATOR OUTPUT CONTROL MIXER
10 dB ATTEN
No Modulation at the RF Output
Sweep Problems
Sweep Appears to be Stalled
Cannot Turn Off Sweep Mode
Incorrect List Sweep Dwell Time
List Sweep Information is Missing from a Recalled Register
Data Storage Problems
Registers With Previously Stored Instrument States are Empty
Saved Instrument State, but Register is Empty or Contains Wrong State
Cannot Turn Off Help Mode
Signal Generator Locks Up
Fail-Safe Recovery Sequence
Error Messages
Error Message File
Error Message Format
Error Message Types
Contacting Agilent Sales and Service Offices
Returning a Signal Generator to Agilent Technologies