METRIX CHAU GX320 Datasheet

Generators - Frequencymeters

Generators - Frequencymeters

GX 305

GX 310

GX 320

Laboratory generators – measurement instruments:
multi-function, innovative, stand-alone tools!

l Frequency range from 0.001 Hz to 5 MHz (GX305), 10 MHz (GX310) or 20 MHz (GX320)
l DDS technology and frequency accuracy of ± 20 ppm
l Frequency adjustment stable to the nearest digit
l "LOGIC signal" function for direct adjustment of high and low levels
l LIN or LOG sweep, triangle or sawtooth, with adjustable duration from 10 ms to 100 s
l Internal and external AM & FM modulation, GATE, BURST, FSK and PSK functions (GX320)
l Adjustable phase synchronization of several generators in a cascade arrangement (GX320)
l 100 MHz frequencymeter, 300 V CAT I
l Storage of 15 complete instrument configurations (GX320)
l Versions programmable via USB link and Ethernet with standard SCPI protocol

GX 305, GX 310 & GX 320 DDS function generators

Versatile instruments offering high performance

The GX models are versatile, high-performance instruments ideal for applications in education and scientific research, as well as for electronic
product designers (medical, automotive, consumer electronics, etc.). They can be used to generate a variety of precise signals: waveforms, sine,
triangle, square & LOGIC, TTL output.
One of the major advantages of these generators is their DDS (Direct Digital Synthesis) technology. This feature means much greater frequency
accuracy and stability than on an traditional generator.

Waveform selection

Storage
and loading of
configurations

5-digit frequency display

BNC inputs-outputs External frequencymeter

100 %-digital

encoder wheel

Frequency

adjustment to

the nearest digit

Ergonomics

Unrivalled legibility!

The GX generators have a large LCD screen (125 x 45 mm) which is exceptionally easy to read thanks to a main display with 5 digits 20 mm high.
The backlighting is adjustable and the contrast can be increased if necessary.
In addition, the GX generators allow all the parameter settings (V

A Man-Machine Interface designed to serve the user

The control keyboard on the instrument’s front panel is backlit. All the generators’ BNC inputs/outputs are on the front of the instrument.
The "LOGIC signal" function allows the high and low levels of this signal to be adjusted.
"Closed casing" calibration is also accessible from the instrument’s front panel.

With their cubic design, they can be stacked very easily, which is particularly practical with GX 320s, as they can be set up in cascade.
Articulated feet make it possible to tilt the generators.

dc, Vrms or Vpp, waveform, etc.) to be displayed simultaneously.

High-performance functions

This new range of DDS generators comprises three models, including two
(GX 310-P and GX 320-E) available in a 100%-programmable version with
an SCPI standard USB link and Ethernet on the GX 320-E.

The GX 305 and GX 310 are ideal for education and technical training, as
well as for R&D, test and production technicians.
The GX 320 (20 MHz) offers additional functions for higher education, R&D
engineers and scientific research.

The DDS technology represents a major step forward for function
generators, with a large number of improvements:

- exceptional accuracy and stability

- spectral purity

- low phase noise

In addition, these generators sweep a wide frequency range while keeping a
constant phase when there are frequency jumps.

Performance and flexible use:

Adjustment of the frequency guaranteed stable to the nearest digit and
a smart accelerator with automatic range changes for the frequency

Automatic range changes optimized for the "LEVEL and OFFSET"
amplitude

Duty cycle adjustable without variation or division of the frequency
"LOGIC" function for a quick, simple way of generating logical signals

with directly adjustable thresholds
A rugged generator with 60 Vdc / 40 Vac protected outputs
Slaving and display of the frequency
Control and display of the AMPLITUDE with a choice of

Vpp (peak/peak) or Vrms (root mean square) and the Vdc OFFSET
Control and display of the duty cycle (DUTY)
100 MHz frequencymeter, CAT I - 300 V

Modulation, Shift K & BURST functions (GX 320)

The GX 320 includes internal and external modulation (AM, FM), as well as
linear and logarithmic sweeps. The Shift K function can be used for phase

Ranges GX 305 GX 310 GX 320

0.001 Hz to 0.01 Hz

0.01 Hz to 0.1 Hz

0.1 Hz to 1 Hz

1 Hz to 10 Hz

100 Hz to 1 kHz

1 kHz to 10 kHz

10 kHz to 100 kHz

100 kHz to 1 MHz

1 MHz to 5 MHz

1 MHz to 10 MHz

10 MHz to 20 MHz

The "burst" function is widely used in optics,

notably for checking the quality of crystals

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The different frequency ranges per model

or frequency jumps.
With the BURST function, users can choose the number of cycles per time period. This function can be used for even more detailed analysis

and detection of very short events.

It is also possible to set up several GX 320 generators in a cascade arrangement.

Synchronization of several generators in a cascade

GX 320 Master

arrangement

The "SYNC" function on the GX 320 allows several generators
to be set up in a cascade arrangement to make a variable-phase

GX 320 Slave 1

multiple signal generator.
A first GX 320, used as the "Master", provides the other "Slave"

instruments with the clock used to generate the signals. It also
supplies the synchronizing pulse to start all the instruments

GX 320 Slave 2

simultaneously. In this way, the phase shift of each signal is
controlled.

n

Example 1: simulation of a three-phase signal

Channel 1: master (0°)

Channel 2: slave1 (120°)

Channel 3: slave2 (-120°)

Example 2: simulated Fourier synthesis

Synchronization of the generators (3 in this

example) allows simulated synthesis of a

square signal from its primary harmonics.

Man-machine interface

Display
Commands on front panel
Adjustment of signal parameters
BNC output terminals on front panel
BNC input terminals on front panel

Continuous signal generation

Frequency

Resolution / Accuracy

Amplitude
Flatness
Vdc offset
Waveforms

Frequency sweep

Modes

"INT" internal sweep

"EXT" external sweep

Modulations (GX 320)

Internal AM modulation

External AM modulation
Internal FM modulation
External FM modulation

SHIFT K function (GX 320)

BURST function

Internal BURST

External BURST

Gate function

Synch function (GX 320)

Several GX320s in cascade arrangement

External frequencymeter

Measurement range
Accuracy
Safety / Max. acceptable voltage

General specifications

Configuration memories
Communication interface
Mains power supply
Safety / EMC
Mechanical specifications
Warranty / Origin

GX 305 / GX 310 GX 320

SPECIFICATIONS

LCD (125 x 45 mm) – Adjustable brightness – Display of frequency on 5 digits 20 mm high

19 direct-access commands (9 backlit and adjustable) – 1 Main Out On/Off key – 1 digital encoder wheel

Continuous by the encoder, automatic Frequency and Level ranges, selection of the increment digit (F,P,N…)

TTL & Sweep Out outputs TTL, Sweep, Clock and Synch outputs

VCF In input VCG, Gate, Clock and Synch inputs

0.001 Hz to 5.000 MHz (10 ranges) (GX305)

0.001 Hz to 20.000 MHz (11 ranges)

0.001 Hz to 10.000 MHz (10 ranges) (GX310)
5-digit display – resolution from 1 mHz to 1 kHz according to frequency range

± 20 ppm for F > 10 kHz, ± 30 ppm for F < 10 kHz

1 mV to 20.0 Vpp with open circuit in 3 automatic ranges – 3-digit Vpp or Vrms display

< 5 % for 1 mHz< F <10 MHz and ± 1dB up to 20 MHz (GX320) (specs. for level from 0.1 Vpp to 20 Vpp)

± 10 Vdc with open circuit – accuracy ± 5 % ± 5 mV

Sine / Triangle (max frequency 2 MHz) / Square & "LOGIC" / TTL output

LIN (linear) or LOG (logarithmic)

"Sawtooth" or "Triangle" mode – Unlimited excursion between "F Start" & "F Stop" (256 steps)

Sweep time adjustable from 10 ms to 100 s

Sweep by signal < 15 kHz, amplitude ± 10 V –VCF IN input impedance 10 kΩ approx.

Modulation by a sine signal with a frequency of 1 kHz

Modulation rate 20 % or 80 %

Modulation by a signal with a frequency < 15 kHz

Modulation by a sine signal with a frequency of 1 kHz

Modulation by a signal with a frequency < 15 kHz

FSK (Internal/External) = switching between Fstart & F

PSK (Internal/External) = phase switching ± 180°

1 to 65,535 impulsions

Pulse train period from 10 ms to 100 s

1 to 65,535 impulsions – Synch/Period by a TTL signal

with a frequency <200 kHz (VCG IN input)

Validation of the AC component of "Main Out" by a TTL signal

with a frequency <2 MHz (GATE IN input)

Maximum frequency of signals generated 100 kHz

Adjustment of phase shift across ± 180° (resolution 1°)

5 Hz to 100 MHz

± 0.05 % + 1 digit

300 V CAT I / 300 V

rms

Storage/Recall of 15 complete instrument configurations

"USB A/B" link for the programmable versions and Ethernet interface (GX 320-E)

230 V ±10 % (or 115 V ±10 %) – 50/60 Hz – 20 VA max. – Removable lead

Safety as per IEC 61010-1 (2001) – EMC as per EN 61326-1 (2004)

227 (L) x 116 (H) x 180 (P) mm – Weight 2.8 kg

3 years – France

stop

Standard versions

State at delivery

- 1 function generator, 1 mains power lead, 1 CD-Rom containing 1 operating manual in
5 languages, 1 programming manual in FR+GB, Labwindows CVI / LabView drivers

Programmable versions

- 1 function generator, 1 mains power lead, 1 CD-Rom containing 1 operating manual
in 5 languages, 1 programming manual in FR+GB, Labwindows CVI / LabView drivers,
1 USB A/B cable

Ethernet version

- As above + 1 cordon Ethernet

FRANCE

Chauvin-Arnoux
190, rue Championnet
75876 PARIS Cedex 18
Tel: [phone]
Fax: [phone]
[e-mail]

www.chauvin-arnoux.fr

UNITED KINGDOM

Chauvin Arnoux Ltd

Unit 1 Nelson Ct, Flagship Sq, Shaw Cross Business Pk
Dewsbury, West Yorkshire - WF12 7TH
Tel: [phone]
Fax: [phone]
[e-mail]

www.chauvin-arnoux.com

MIDDLE EAST

Chauvin Arnoux Middle East

P.O BOX 60-154
1241 2020 JAL EL DIB (Beyrouth) - LEBANON
Tel: [phone]
Fax: [phone]
[e-mail]

www.chauvin-arnoux.com

- GX305: 5 MHz function generator

To order

- GX310: 10 MHz function generator

- GX310-P: 10 MHz programmable function generator

- GX320: 20 MHz function generator

- GX320-E: 20 MHz programmable function generator

Accessories & spare parts

- AG1066-Z: Set of 2 BNC-Banana leads with rear connection

- HX0106: Set of 2 BNC-BNC leads

- HX0107: Set of 2 BNC-Banana adapters

- HA2004-Z: Set of BNC tee adapters

For assistance and ordering

906211183 - Ed. 2 - 06/2011 - Non contractual document. Confirm specifications before ordering.