GW Instek SFG 1003 DDS Function Generator


Out of stock

Approx Restocking Date: 25 to 30 Days
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


(Including GST)

Out of stock

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1 Year Warranty
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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)


Shipping Weight 2.3 kg
Shipping 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. In case of manufacturing defects or issues, we will replace the part after warranty confirmation by our technical team, but we won’t offer refunds or replace the entire product.

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