Apparatuur informatie:

Thurlby Thandar Instruments TTI TG1010 Generator
Thurlby Thandar Instruments TTI
Model: TG1010
Datum: 1994
Categorie: Meetinstrumenten
Groep: Generator
Beschrijving: Programmable 10 MHz 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 squarewaves 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.
Trigger/Burst & Gated
All waveforms are available as a triggered burst whereby each positive edge of the Trigger signal
will produce one burst of the carrier, starting and stopping at the phase angle specified by the
start-stop phase setting.

Deze handboeken zijn beschikbaar voor de bovengenoemde apparatuur:

Handleidingen Type: Gebruikershandleiding Thurlby-4730-Manual-Page-1-Picture
Pagina's: 80
Maat: 1.25 Mbytes (1307768 Bytes)
Taal: Engels
Herziening van: Issue 4
Manual-ID/Number: 48591 - 0440
Datum: 1994
Kwaliteit: Elektronisch document, geen scan, zeer goed leesbaar.
Upload datum:
MD5: ee104a5cfc4d36b3b91e5fb168ccdea1
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Introduction 2
Specifications 4
Safety 9
EMC 10
Installation 11
Front Panel Connections
Rear Panel Connections 12
General Operation 14
Main Generator Operation
Main Generator Parameters
Warning and Error Messages
Auxiliary Output
Waveform Generation Options 17
Sweep Operation 25
Triggered Burst and Gate
Triggered Burst
Gated Mode 28
Amplitude Modulation 31
FSK 33
Special Waveforms
Noise 34
HOP 37
System Operations
Storing and Recalling Set-ups
System Settings 39
Synchronising Generators 41
Calibration 43
Application Examples 45
DDS Operation and Further Waveform Considerations 49
Remote Operation 52
Remote Commands 62
Remote Command Summary 69
Appendix 1. Warning and Error Messages 72
Appendix 2. Factory System Defaults 74
Appendix 3. Instructions for using TG1010 with WaveForm DSP 74
Appendix 4. Application Information Notes 76
Appendix 5. Calibration Password 78

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