Thurlby Thandar Instruments TTI TGA1230 Gerador
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Modelo:
TGA1230
Data:
1997
Categoria:
Grupo:
Descrição:
30 MHz Synthesised Arbitrary Waveform Generator
Informação
This Synthesised Programmable Arbitrary Waveform Generator
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
15MHz 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 WaveCAD
arbitrary waveform creation Software supplied. WaveCAD 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 optional GPIB
interface.
Up to 50 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 four 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 an external Generator via the Ext VCA input.
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 internal Trigger Generator (0.005Hz to 50kHz), from
an external source (dc to 1MHz) or by a key press or remote
command.
The signals from the REF IN/OUT socket and the SYNC OUT
socket can be used to phase lock two or more generators.
This can be used to generate multi-phase waveforms or locked
waveforms of different frequencies.
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 an RS-232 Interface 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 as a conventional RS-232 Interface, it
can also be used in addressable mode whereby up to 32
instruments can be linked to one PC serial port as part of a
TTi "ARC" system. Alternatively, a GPIB Interface conforming
to IEEE-488.2 is available as an option.
Tipo de manual:
Manual do Usuário
Páginas:
88
Tamanho:
1.54 Mbytes (1613242 Bytes)
Idioma:
english
Revisão:
Issue 4
ID de manual:
48591 - 0510
Data:
1997 01 01
Qualidade:
Documento eletrônico, digitalização, bem legível.
Data de upload:
2017 01 14
MD5:
94afd62b625bce99204c58b2250ac998
Downloads:
680
Informação
Introduction 3
Specifications 4
Safety 11
EMC 12
Installation 12
Connections 14
Front Panel Connections 14
Rear Panel Connections 15
General 17
Initial Operation 17
Principles of Operation 19
Standard Waveform Operation 21
Setting Generator Parameters 21
Warnings and Error Messages 24
SYNC Output 25
Sweep Operation 26
General 26
Setting Sweep Parameters 27
Triggered Burst and Gate 30
General 30
Triggered Burst 31
Gated Mode 32
Sync Out in Triggered Burst and Gated Mode 32
Tone Mode 33
Other Modulation Modes 35
External VCA 35
External SUM In 35
Amplitude Range for Each Attenuator Step 36
Arbitrary Waveform Generation 37
Introduction 37
Creating New Waveforms 38
Modifying Arbitrary Waveforms 39
Arbitrary Waveform Sequence 44
Frequency and Amplitude Control with Arbitrary Waveforms 45
Sync Out Settings with Arbitrary Waveforms 46
Waveform Hold in Arbitrary Mode 47
Output Filter Setting 47
WaveCAD Arbitrary Waveform Creation Software 48
Pulse and Pulse-trains 50
Pulse Set-up 50
Pulse-train Setup 51
Waveform Hold in Pulse and Pulse-Train Modes 53
Synchronising Generators 54
System Operations from the Utility Menu 56
Calibration 59
Equipment Required 59
Calibration Procedure 59
Calibration Routine 60
Remote Calibration 61
Remote Operation 62
Address and Baud Rate Selection 62
Remote/Local Operation 62
ARC Interface 63
GPIB Interface 65
Power on Settings 67
Status Reporting 67
ARC Remote Command Formats 70
GPIB Remote Command Formats 70
Remote Commands 72
Frequency and Period 72
Amplitude and DC Offset 72
Waveform Selection and Definition 73
Waveform Sequence Control 74
Arbitrary Waveform Editing 75
Mode Commands 76
Input/Output control 76
Status Commands 77
Miscellaneous Commands 78
Remote Command Summary 79
Maintenance 82
Appendix 1. Warning and Error Messages 83
Appendix 2. SYNC OUT Automatic Settings 86
Appendix 3. Factory System Defaults 87