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The GW Instek SFG-1003 is an economic function generator for users needing a reliable signal source for basic measurement applications. Its key benefit lies in providing high accuracy and stability through Direct Digital Synthesized (DDS) technology at an affordable price. A caveat is its limited 3MHz frequency range, making it suitable for fundamental rather than advanced testing. This single-channel generator offers Sine, Square, and Triangle waveforms, plus TTL output, ensuring confidence in test results for a variety of simple tasks.
| Model Part Number | SFG-1003 |
|---|---|
| Brand | GW Instek |
The SFG-1003 can generate Sine, Square, and Triangle waveforms, as well as a TTL output signal.
The SFG-1003 has a maximum frequency output of 3 MHz.
No, with a maximum frequency of 3 MHz, it is best suited for basic measurement applications and fundamental testing, not high-frequency circuit design which typically requires generators with much higher frequency capabilities.
The SFG-1003 uses Direct Digital Synthesized (DDS) technology, embedded in an FPGA, for high accuracy and stability.
The output amplitude can be adjusted using the dedicated amplitude control knob on the front panel.
The SFG-1003 is a single-channel output device, meaning it is designed to output one signal at a time to a single point or device.
DDS technology provides precise frequency control, excellent waveform accuracy, and high stability, which translates to more reliable and repeatable test results compared to older analog methods.
Check that the output cable is securely connected to both the SFG-1003 and the test device. Ensure the output is enabled and the amplitude is not set to minimum. Verify the selected waveform and frequency are appropriate.
Ensure the output load impedance is within the generator's specifications. Check for any loose connections. Verify the frequency and amplitude settings are not at extreme limits which might cause clipping or instability.
Confirm the power cord is securely plugged into both the unit and a working electrical outlet. Check the fuse if applicable (refer to user manual for fuse replacement procedure).
Ensure the frequency range and multiplier settings are correctly configured. For critical applications, verify the output frequency with an oscilloscope or frequency counter.
Setup:
Compatibility:
The SFG-1003 is compatible with standard laboratory test equipment and electronic circuits requiring signal input within its specified frequency and voltage range. It interfaces via standard BNC connectors.
Care:
