DS335 Synthesized Function Generator

Table of Contents
i
Table of Contents
Condensed Information
Safety and Use
SRS Symbols
Specifications
Abridged Command List
Getting Started
Introduction 1-1
CW Function Generation 1-1
Frequency Sweep 1-2
Operation
Introduction to DDS 2-1
iii
iv
v
ix
DS335 Features 2-5
Front Panel Features 2-5
Rear Panel Features 2-7
Function Setting 2-9
Setting the Function 2-9
Frequency 2-9
Amplitude 2-9
DC Offset 2-11
Sweeps/FSK 2-13
Frequency Sweeps 2-13
Sweep Type 2-13
Sweep Frequencies 2-14
Sweep/FSK Output 2-14
FSK Intput 2-14
Instrument Setup 2-17
Default Settings 2-17
Store and Recall 2-17
GPIB and RS232 Setup 2-17
Self-Test 2-18
Programming
Programming the DS335 3-1
Communications 3-1
GPIB Communication 3-1
RS-232 Communication 3-1
Data Window 3-1
Command Syntax 3-1
Detailed Command List 3-2
Function Output Commands 3-3
Sweep Control 3-4
Setup Control Commands 3-6
Status Reporting Commands 3-6
Test and Calibration Commands 3-7
Status Byte Definitions 3-8
Programming Examples 3-11
Introduction 3-11
GPIB and C Example 3-12
RS232 and BASIC example 3-13
Test and Calibration
Troubleshooting 4-1
Operation Error Messages 4-1
Self-Test Error Messages 4-2
Performance Tests 4-5
Necessary Equipment 4-5
Functional Tests 4-6
Front Panel Test 4-6
Self Tests 4-6
Sine Wave 4-6
Square Wave 4-6
Amplitude Flatness 4-7
Output Level 4-7
Performance Tests 4-8
Frequency Accuracy 4-8
Amplitude Accuracy 4-8
DC Offset Accuracy 4-9
Subharmonics 4-9
Spurious Signals 4-10
Harmonic Distortion 4-10
Phase Noise 4-11
Square Wave Rise Time 4-11
Square Wave Symmetry 4-11
Test Scorecard 4-13
Calibration 4-15
Introduction 4-15
Calibration Enable 4-15
Calbytes 4-15
Necessary Equipment 4-19
Adjustments 4-19
Output Amplifier Bandwidth 4-19
Bessel Filter Adjustment 4-20
DS335 Synthesized Function Generator