Equipment information

Thurlby Thandar Instruments TTI TG1010A Generator
Thurlby Thandar Instruments TTI
Model TG1010A
Date 2009
Category: Measurement instruments
Group Generator
Description Programmable 10MHz DDS Function Generator
                                    This Programmable Function Generator uses direct digital synthesis to provide high performance
and extensive facilities at a breakthrough price. It can generate a variety of waveforms between
0.1mHz and 10MHz with a resolution of 7 digits and an accuracy better than 10ppm.

Direct digital synthesis for accuracy & stability
Direct digital synthesis (DDS) is a technique for generating waveforms digitally using a phase
accumulator, a look-up table and a DAC. The accuracy and stability of the resulting waveforms is
related to that of the crystal master clock.
The DDS generator offers not only exceptional accuracy and stability but also high spectral purity,
low phase noise and excellent frequency agility.

A wide range of waveforms
High quality sine, square and pulse waveforms can be generated over the full frequency range of
0.1mHz to 10MHz.
Triangle waveforms, ramp waveforms and multi-level square-waves can also be generated but
with limitations as to the maximum useable frequencies.
Variable symmetry/duty-cycle is available for all standard waveforms.

Arbitrary waveform capability
Arbitrary waveforms can be loaded via the digital interfaces and then used in a similar way to the
standard waveforms.
Up to five arbitrary waveforms of 1024 10-bit words can be stored in non-volatile memory. The
waveform clock is 27.48MHz maximum.
This facility considerably expands the versatility of the instrument making it suitable for the
generation of highly complex waveform patterns.
In addition, numerous “complex” waveforms are pre-defined in ROM, including commonly used
waveshapes such as sinex/x, exponentially decaying sinewave, etc. Further waveshapes will be
added to the library in response to customer requests.

All waveforms can be swept over their full frequency range at a rate variable between 10
milliseconds and 15 minutes. The sweep is fully phase continuous.
Sweep can be linear or logarithmic, single or continuous. Single sweeps can be triggered from
the front panel, the trigger input, or the digital interfaces. Two sweep markers are provided.

Amplitude Modulation is available for all waveforms and is variable in 1% steps up to 100%. An
internal AM source is incorporated. Alternatively modulation can be controlled from an external

Frequency Shift Keying provides phase coherent switching between two selected frequencies at
a rate defined by the switching signal source.
The rate can be set from dc to 50kHz internally, or dc to 1MHz externally.

These manuals are available for the above equipment:

Manual Type User Manual Thurlby-4729-Manual-Page-1-Picture
Pages 76
Size 1.58 Mbytes (1654904 Bytes)
Language english
Revision Issue 6
Manual-ID/Number 48591-0790
Date 2009
Quality Electronic document, no scan, very well readable.
Upload date
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Downloads 205 since 02 November 2013
Introduction 2
Specifications 4
Safety 9
EMC 10
Installation 10
Connections 13
Front Panel Connections 13
Rear Panel Connections 13
General Operation 15
Main Generator Operation 18
Main Generator Parameters 18
Warning and Error Messages 21
Auxiliary Output 23
Waveform Generation Options 24
Sweep Operation 26
Triggered Burst and Gate 29
Triggered Burst 29
Gated Mode 31
Amplitude Modulation 32
FSK 34
Special Waveforms 35
Staircase 35
Arbitrary 35
Noise 37
HOP 38
System Operations 40
Storing and Recalling Set-ups 40
System Settings 40
Synchronising Generators 42
Calibration 44
Equipment Required 44
Calibration Procedure 44
Application Examples 46
DDS Operation and Further Waveform Considerations 50
Remote Operation 53
Remote Commands 60
Trigger and Gate 62
Waveform Generation Options 63
Remote Command Summary 66
Appendix 1. Warning and Error Messages 69
Appendix 2. Factory System Defaults 71
Appendix 3 - Application Information Notes 72
Appendix 4 : Waveform Manager Plus Arbitrary Waveform Creation & Management Software 74

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