GW Instek SFG 1003 DDS Function Generator


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Approx Restocking Date: NA
SKU: 800111
  1. Frequency Range:0.1Hz~3MHz
  2. DDS Technology and FPGA Chip Design
  3. Frequency Resolution :100mHz
  4. High Frequency Accuracy : ± 20ppm
  5. High Frequency Stability : ± 20ppm
  6. Low Distortion Sine Wave:-55dBc,0.1Hz~200kHz


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Out of stock

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Brand: GW Instek
Category: Other Measuring Instrument

The GW Instek SFG 1003 DDS Function Generator that gives a high-value solution to the users who need a signal source for accurate but simple measurement applications. The SFG-1000 series, an economic function generator with high accuracy and high stability output, is designed based on the DDS (Direct Digital Synthesized) technology embedded in a large scale FPGA. The 3MHz frequency range and the output waveform selection of sine, square, triangle, and TTL available in the SFG-1000 series adequately provide the fundamental functions to ensure high confidence in test results.


  1. DDS technique and FPGA chip design
  2. Supports 0.1Hz to 3MHz frequency range
  3. High-frequency accuracy (±20ppm)
  4. High-frequency stability (±20ppm)
  5. 100mHz Maximum frequency resolution
  6. Low distortion sine wave (-55dBc, 0.1Hz to 200kHz)
  7. Ambient temperature range from 0°C to 40°C
  8. Power source AC is 100V/120V/220V/240V±10%, 50/60Hz
  9. Dimension is 251mm(W) x 91mm(H) x 291mm(D), approximately 2.1Kg weight

Package Includes:

1 x SFG-1003 DDS function generator

1 x User manual

1 x Power cord

1 x Test lead GTL-101.

SKU: 800111 Category:

GW Instek SFG 1003



Waveform frequency range

0,1Hz to 1MHz (Triangle waveform),
0,1Hz…3MHz (Sinus waveform),
0,1Hz…3MHz (Rectangular waveform)

Kind of display used

6-digit LED

Output Parameters Impedance


Power supply

110/220/240V, ±10%, 50/60Hz

Waveforms Output

Rectangular, Triangle, Sinus



Dimensions(mm) L x W x H

251 x 91 x 291

Weight (kg)


Shipment Weight

2.3 kg

Shipment Dimensions

30 × 25 × 11 cm

1 Year Warranty

This item is covered with a supplier warranty of 1 year from the time of delivery against manufacturing defects only. This is a quality product from the original manufacturer. Only manufacturing defects are covered under this warranty. Reimbursement or replacement will be done against manufacturing defects.

What voids the warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.


User Manual

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Country Of Origin: China