Thurlby Thandar Instruments TTI - TG1010 - Generator
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Thurlby Thandar Instruments TTI TG1010
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Equipment:
TG1010
Date:
1994
Category:
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Sub Group:
Information
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.
Sweep
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.
AM
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
generator.
FSK
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.
1 Manual
User manual
Manual type:
User manual
Pages:
80
Size:
1.2 MB
Language:
english
Revision:
Issue 4
Manual-ID:
48591 - 0440
Date:
Quality:
Electronic document, no scan, very well readable.
Upload date:
Nov. 2, 2013
MD5:
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