GW Instek SFG 1003 DDS Function Generator
The GW Instek SFG 1003 DDS Function Generator offers a cost-effective solution for users requiring a reliable signal source for precise yet straightforward measurement applications. Designed with high accuracy and stability output, the SFG-1000 series is built upon DDS (Direct Digital Synthesized) technology integrated into a large-scale FPGA. With a 3MHz frequency range and a selection of sine, square, triangle, and TTL output waveforms, the SFG-1000 series delivers fundamental functionality, instilling confidence in test results.
Features:
- DDS technique and FPGA chip design
- Supports 0.1Hz to 3MHz frequency range.
- High-frequency accuracy (±20ppm)
- High-frequency stability (±20ppm)
- 100mHz Maximum frequency resolution
- Low distortion sine wave (-55dBc, 0.1Hz to 200kHz)
- Ambient temperature ranges from 0°C to 40°C.
- Power source AC is 100V/120V/220V/240V±10%, 50/60Hz.
- Dimension is 251mm(W) x 91mm(H) x 291mm(D), approximately 2.1Kg weight.
Specification:
| Model | GW Instek SFG 1003 |
|---|---|
| Band | ≤3MHz. |
| 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 | 50Ω |
| Power supply | 110/220/240V, ±10%, 50/60Hz |
| Waveforms Output | Rectangular, Triangle, Sinus |
| Protection | Anti-overload |
Package Includes:
1 x SFG-1003 DDS function generator
1 x User manual
1 x Power cord
1 x Test lead GTL-101.
GW Instek SFG 1003 DDS Function Generator Overview
The GW Instek SFG 1003 DDS Function Generator is a benchtop signal source designed for precision testing and measurement in electronics and communication labs. Leveraging DDS technology and FPGA chip design, it provides stable, accurate sine, square, triangle and TTL waveforms up to 3 MHz for development, troubleshooting and quality assurance tasks.
Key Features of GW Instek SFG 1003 DDS Function Generator
- Frequency range from 0.1 Hz to 3 MHz meets a variety of testing needs
- DDS technique combined with FPGA chip design for reliable, low-jitter output
- 100 mHz frequency resolution for fine tuning
- High frequency accuracy and stability of ±20 ppm
- Low distortion sine wave (–55 dBc) from 0.1 Hz to 200 kHz
- Fast shipping from Zbotic – genuine GW Instek products delivered quickly
Applications and Use Cases
- Characterizing amplifier frequency response in R&D and production
- Verifying filter cutoff frequencies in audio and RF circuits
- Generating test patterns for digital logic and microcontroller inputs
- Simulating sensor signals in embedded system debugging
- Training and teaching waveform fundamentals in academic labs
- Performing signal integrity checks on cables and PCB traces
How to Use GW Instek SFG 1003 DDS Function Generator
To begin, connect the SFG 1003 to AC mains and switch it on. Use the front-panel keypad or rotary knob to select your desired waveform, then set frequency, amplitude and offset values. Attach the output via BNC to your device under test, ensuring proper load impedance. Monitor the display for real-time frequency and amplitude readouts, and adjust settings as your application requires.
Why Buy from Zbotic?
- Genuine Products: All items sourced from authorized distributors
- Fast Shipping: Orders ship within 24 hours with tracking (non backordered products)
- Free Shipping: Free delivery on qualifying orders
- COD Available: Cash on Delivery, UPI, cards, net banking
- Technical Support: Expert help for setup and troubleshooting
- Easy Returns: Hassle-free replacement for defective products
Frequently Asked Questions
What is the frequency range of the GW Instek SFG 1003?
The SFG 1003 provides a continuous frequency sweep from 0.1 Hz up to 3 MHz, covering both audio and RF testing requirements.
How fine is the frequency adjustment on this model?
It features a frequency resolution of 100 mHz, allowing precise tuning of your output signal for sensitive measurement tasks.
How stable and accurate is the output signal?
The generator maintains high accuracy and stability at ±20 ppm, ensuring repeatable and reliable waveform performance over time.
Technical Specifications
| Brand | GW Instek |
|---|---|
| SKU | AI1964 |
| Weight | 2.3 kg |
| Availability | Out of Stock |
Applications & Use Cases
The GW Instek SFG 1003 DDS Function Generator is a versatile other measuring instrument used across a wide range of applications including electronics projects, DIY builds, prototyping, and educational experiments.
Common use cases:
- Integrating into a custom electronics project
- Learning and experimenting with circuits
- Replacing or upgrading components in existing setups
This product is ideal for electronics enthusiasts, engineers, and students.
Technical Tip: Always verify voltage and current requirements before connecting to your circuit. Check datasheets for detailed specifications and pin configurations.
Shipping & Delivery
- Free shipping on orders above ₹999 across India
- Dispatched within 1-3 business days
- Expected delivery: 3-7 business days depending on location
- Secure packaging to ensure safe transit of electronic components
- Genuine GW Instek product sourced from authorized channels
Sandhya Parekh (verified owner) –
Love this GW Instek SFG 1003 DDS Function. Makes debugging so much easier. Highly recommended for engineers.
Gaurav Dave (verified owner) –
Superb GW Instek SFG 1003 DDS Function! Display is clear and readings are stable. Worth the investment.
Mahesh Agarwal –
Superb GW Instek SFG 1003 DDS Function! Display is clear and readings are stable. Worth the investment.
Zubin Arora (verified owner) –
Superb GW Instek SFG 1003 DDS Function! Display is clear and readings are stable. Worth the investment.
Chitra Goyal (verified owner) –
Nice GW Instek SFG 1003 DDS Function. Readings are consistent. Probe quality could be better.
Himanshu Kapoor –
Great quality GW Instek SFG 1003 DDS Function. Calibration holds well. Using it daily in my workshop.
Abhishek Singh (verified owner) –
Good GW Instek SFG 1003 DDS Function. Accurate enough for hobby use. Build quality is solid.
Ravi Luthra (verified owner) –
Nice GW Instek SFG 1003 DDS Function. Readings are consistent. Probe quality could be better.
Uday Vyas (verified owner) –
Love this GW Instek SFG 1003 DDS Function. Makes debugging so much easier. Highly recommended for engineers.
Tanmay Garg (verified owner) –
This GW Instek SFG 1003 DDS Function is precise and easy to use. Great for troubleshooting circuits.
Mukesh Bhatt (verified owner) –
Superb GW Instek SFG 1003 DDS Function! Display is clear and readings are stable. Worth the investment.
Sandhya Ghosh (verified owner) –
Superb GW Instek SFG 1003 DDS Function! Display is clear and readings are stable. Worth the investment.
Anand Singh (verified owner) –
Love this GW Instek SFG 1003 DDS Function. Makes debugging so much easier. Highly recommended for engineers.