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Function Generator Model GX320

The Function Generator Model GX320 is ideal for higher education, R&D engineers and scientific research.

With its Direct Digital Synthesis (DDS), the GX320 provides much greater accuracy and frequency stability than a traditional generator. The Model GX320 can be used to generate precise, varied signals: waveforms, sine, triangle, square & LOGIC, TTL output. It is also equipped with internal and external modulation (AM, FM), as well as linear and logarithmic sweep functions. Additionally, the Shift K function allows phase or frequency skips.

With the BURST function, users can choose the number of cycles per time period. This allows even more detailed analysis, as well as the detection of very brief events. In addition, the Model GX320 can be set up in a cascade arrangement to simulate complex signals: Three-phase networks, Fourier synthesis, etc.

The Model GX320 also includes an external frequency meter ranging from 5Hz to 100MHz and is equipped with a large LCD screen (125 x 45mm) which is exceptionally easy to read. The backlighting is adjustable and the contrast can be enhanced if necessary.

NOTE: Our complete catalog is not available for direct online purchase, refer to the Status Column for purchasing options. Items that do not have an Add to Cart button must be purchased from an Authorized Distributor.
Model Cat. # Description List Price Quantity/Status
2138.02 2138.02 Function Generator Model GX320 $995.00
Cat. #2138.02
DescriptionFunction Generator Model GX320
List Price$995.00
Display LCD 4.92 x 1.77" (125 x 45mm) – Adjustable brightness
Display of frequency on 5 digits 20mm high
Commands On Front Panel 19 direct access commands (9 Backlit and adjustable) – 1 main Out On/Off key – 1 digital encoder wheel
Adjustment Of Signal Parameters Continuous by digital encoder, automatic Frequency and level ranges, selection of the increment digit (F, P, N…)
BNC Output Terminal TTL, Sweep, Clock and Synch outputs
BNC Input Terminal VCG, Gate, Clock and Synch outputs
Continuous Signal Generation
Frequency 0.001Hz to 20MHz (11 ranges)
Resolution/Accuracy                 5 digit display – resolution from 1mHz to 1kHz, ± 20ppm for F > 10kHz, ± 30ppm for F < 10kHz,
Amplitude 1V to 20Vpp
Volt DC Offset ± 10VDC
Frequency Sweep
Modes LIN or LOG
“INT” Internal Sweep “Sawtooth” or “Triangle” mode – sweep time adjustable from 10ms to 100s
“EXT” External Sweep Sweep by signal <15kHz, amplitude ± 10V – VCF input impedance 10KΩ approx.
Modulation Internal / External AM/FM
Shift Key Function FSK (Internal/External) = switching between Fstart & Fstop
  PSK (Internal/External) = phase switching ±180°
Burst Function Internal/External
Gate Function Validation of the AC component of “Main out” by a TTL signal with a frequency <2MHz (GATE IN input)
Sync Function
Several GX320 In Cascade Arrangement Maximum frequency generated 100kHz
Adjustment phase ± 180° (Resolution 1°)
External Frequency Meter
Measurement Range 5Hz to 100MHz
Accuracy ± 0.05% + 1ct
Max Acceptable Voltage 300V CAT I / 300VRMS

General Specifications

Memory Storage/Recall of 15 complete instruments configurations
Communication USB A/B
Power Supply 115V ± 10% (220V available upon request)
Dimensions 8.94 x 4.57 x 7.09” (227 x 116 x 180mm)
Weight Approximately 6.2 lbs (2.8kg)
Safety Compliance IEC 61010-1, EMC: EN61326-1
Model Cat. # Description List Price Quantity/Status
2140.51 Cable - Replacement  6 ft USB A-B for Sentinel® series $0.00 Discontinued
5000.14 Power Cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers $8.00
Cat. #2140.51
DescriptionCable - Replacement  6 ft USB A-B for Sentinel® series
List Price$0.00
Cat. #5000.14
DescriptionPower Cord 115V for Micro-ohmmeters, Megohmmeters, Power Instruments, Oscilloscopes & Ground Testers
List Price$8.00


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