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Thurlby Thandar Instruments TTI TGA1240 SERIES Generator
Thurlby Thandar Instruments TTI
Modell: TGA1240 SERIES
Datum: 2009
Kategorie: Messgeräte
Gruppe: Generator
                                    This synthesised programmable arbitrary waveform generator has the following features:
• 1, 2 or 4 independent arb channels
• Up to 40MHz sampling frequency
• Sinewaves and square waves up to 16MHz
• 12 bit vertical resolution
• 64k points horizontal resolution per channel
• 256k point non−volatile waveform memory
• Waveform linking, looping and sequencing
• Interchannel triggering, summing, modulation and phase control
• GPIB and RS232 interfaces
The instrument uses a combination of direct digital synthesis and phase lock loop techniques to provide high performance and extensive facilities in a compact instrument. It can generate a wide variety of waveforms between 0·1mHz and 16MHz with high resolution and accuracy.
Arbitrary waveforms may be defined with 12 bit vertical resolution and from 4 to 65536 horizontal points. In addition a number of standard waveforms are available including sine, square, triangle, ramp and pulse.
Arbitrary waveforms may be replayed at a user specified waveform frequency or period, or the sample rate may be defined in terms of period or frequency.
Extensive waveform editing features between defined start and end points are incorporated, including waveform insert, point edit, line draw, amplitude adjust and invert. More comprehensive features are available using the arbitrary waveform creation software supplied. This is a powerful Windows−based design tool that enables the user to create waveforms from mathematical expressions, from combinations of other waveforms, freehand, or using a combination of all three techniques. Waveforms created in this way are downloaded via the RS232 or GPIB interface.
Up to 100 waveforms may be stored with the length and name specified by the user. Waveforms may be strung together to form a sequence of up to 16 steps. Each waveform may have a user defined repeat count from 1 to 32768.
All waveforms can be swept over their full frequency range at a rate variable between 30 milliseconds and 15 minutes. 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. A sweep marker is provided.
Amplitude Modulation is available for all waveforms and is controlled from the previous channel or from an external generator via the MODULATION input socket.
Signal Summing is available for all waveforms and is controlled from the previous channel or from an external generator via the SUM input socket.
All waveforms are available as a Triggered Burst whereby each active edge of the trigger signal will produce one burst of the carrier. The number of cycles in the burst can be set between 1 and 1048575. The Gated mode turns the output signal On when the gating signal is true and Off when it is false. Both Triggered and Gated modes can be operated from the previous or next channel, from the internal Trigger Generator (0.005Hz to 100kHz), from an external source (dc to 1MHz) or by a key press or remote command.
Any number of channels can be phase locked with user defined phase angle. This can be used to generate multi−phase waveforms or locked waveforms of different frequencies.
The signals from the REF IN/OUT socket and the SYNC OUT socket can be used to phase lock two instruments where more than 4 channels are required.
The generator parameters are clearly displayed on a backlit LCD with 4 rows of 20 characters. Soft−keys and sub menus are used to guide the user through even the most complex functions.
All parameters can be entered directly from the numeric keypad. Alternatively most parameters can be incremented or decremented using the rotary control. This system combines quick and easy numeric data entry with quasi−analogue adjustment when required.
The generator has RS232 and GPIB interfaces as standard which can be used for remote control of all of the instrument functions or for the down−loading of arbitrary waveforms.
As well as operating in conventional RS232 mode the serial interface can also be used in addressable mode whereby up to 32 instruments can be linked to a single PC serial port.

Folgende Anleitungen sind hier verfügbar:

Dokumenttyp: Bedienungsanleitung Thurlby-4733-Manual-Page-1-Picture
Seitenanzahl: 105
Dateigröße: 2.69 Mbytes (2815725 Bytes)
Sprache: Englisch
Revision: Issue 7
Dokument-ID/Nummer: 48591-0640
Datum: 2009
Qualität: Elektronisches Dokument, kein Scan, sehr gut lesbar.
Upload Datum:
MD5: 09793bc11dc80cf47d55c5ca95cd7caa
Downloads: 193 seit dem 02 November 2013
This manual describes the features and operation of 1,
2 and 4 channel arbitrary waveform generators. The physical
differences between the 2 and 4−channel generators are
straightforward:− the 2−channel instrument has no set−up
keys or output connections for channels 3 and 4. The
single−channel instrument has essentially the same keys
but they are arranged quite differently to suit the ½−rack
case. The diagram at the end of the manual shows all 3
The set−up and operation of an individual channel
in any of the instruments is identical and therefore
no distinction is made between the different models
when describing the functions associated with any single
channel. Those features associated with multi−channel
operation (inter−channel summing, phase−locking, etc.)
self−evidently apply only to the multi−channel instruments;
the relevant chapters are mostly grouped together towards
the end of the manual (but before Remote Operation)
although some mention of multi−channel operation is
made when appropriate in earlier sections. To avoid
repetition specific reference is not always made to
2− and 4−channel instruments in the text; it is obvious
when the description applies only to a multi−channel

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