|Thurlby Thandar Instruments TTI TG1010A Generator|
Thurlby Thandar Instruments TTI
|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. 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.
These manuals are available for the above equipment:
|Thurlby Thandar Instruments TTI -- TG1010A -- User Manual|
|Manual Type||User Manual|
|Size||1.58 Mbytes (1654904 Bytes)|
|Quality||Electronic document, no scan, very well readable.|
|Upload date||02 November 2013|
|Downloads||157 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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