The GW Instek AFG-2225 is a true dual-channel arbitrary function generator designed for education, research, electronics development, and production testing. It provides two fully independent output channels with identical performance, allowing users to generate synchronized or phase-related signals for advanced applications such as differential signaling, communication system testing, and circuit evaluation.
The instrument offers a frequency range from 1 µHz to 25 MHz (sine and square wave), high frequency resolution, and built-in standard waveforms including sine, square, ramp (triangle), pulse, and noise. It also supports arbitrary waveform generation with 120 MSa/s sampling rate, 10-bit vertical resolution, and 4K-point waveform memory per channel, enabling users to create or edit custom waveforms.
Additional features such as AM, FM, PM, FSK, SUM modulation, Sweep, Burst, Frequency Counter, USB Host/Device connectivity, and a 3.5-inch color TFT display make the AFG-2225 a versatile signal source for laboratories, universities, and industrial environments.
Key Features of GW Instek AFG-2225
- True Dual-Channel Output: Provides two fully independent output channels with identical performance for generating synchronized and phase-related signals.
- Wide Frequency Ranges: Operates from 1 $\mu$Hz to 25 MHz for sine and square waveforms, providing precise signal generation across a broad spectrum.
- 1 Hz Resolution in Full Range: Ensures fine tuning and accuracy throughout the entire frequency scale.
- High-Speed Arbitrary Waveform Generation: Features a 120 MSa/s sampling rate with 10-bit vertical resolution for flexible waveform creation.
- 4K-Point Arbitrary Waveform Memory: Provides dedicated 4K-point waveform memory for each channel to create and store custom signals.
- Built-in Standard Waveforms: Generates Sine, Square, Ramp (Triangle), Pulse, and Noise waveforms for different testing requirements.
- 66 Built-in Arbitrary Waveforms: Includes 66 built-in arbitrary waveforms that users can edit or customize for specific applications.
- Adjustable Square-Wave Duty Cycle: Supports an adjustable duty cycle from 1% to 99% for flexible square-wave and pulse signal generation.
- Dual-Channel Coupling, Tracking, and Phase Operation: Supports synchronized channel operations for applications requiring coordinated signal outputs.
- Multiple Modulation Functions: Includes AM, FM, PM, FSK, and SUM modulation for communication and signal testing.
- Sweep, Burst, and Frequency Counter: Provides additional signal generation and frequency measurement capabilities for laboratory and development applications.
- USB Host and Device Interfaces: Supports waveform transfer, external storage connectivity, and remote instrument control.
- 3.5-Inch Color TFT LCD: Features a color display with an intuitive interface for convenient parameter configuration and waveform monitoring.
- Waveform Editing and Reconstruction: Supports front-panel editing, PC software, CSV import, and DSO waveform reconstruction for flexible waveform development.
- Impedance Switch Function: Includes an impedance switching function for additional output configuration flexibility.
GW Instek AFG-2225 Specifications
| Parameter |
Details |
| Model |
GW Instek AFG-2225 |
| Instrument Type |
Dual-Channel Arbitrary Function Generator |
| Number of Channels |
2 (True Dual Channel) |
| Maximum Frequency |
25 MHz (Sine/Square) |
| Frequency Resolution |
1 µHz |
| Output Amplitude |
Up to 10 Vpp |
| Standard Waveforms |
Sine, Square, Ramp (Triangle), Pulse, Noise |
| Arbitrary Waveform Memory |
4K Points per Channel |
| Sampling Rate |
120 MSa/s |
| Vertical Resolution |
10-bit |
| Built-in Arbitrary Waveforms |
66 |
| Square Wave Duty Cycle |
1% – 99% |
| Modulation Functions |
AM, FM, PM, FSK, SUM |
| Additional Functions |
Sweep, Burst, Frequency Counter |
| Dual-Channel Features |
Coupling, Tracking, Phase Control |
| Display |
3.5-inch Color TFT LCD |
| Interfaces |
USB Host, USB Device |
| Waveform Editing |
Front Panel, PC Software, CSV Import, DSO Waveform Reconstruction |
| Power Supply |
AC Mains |
Packaging Details
Standard Package Includes:
- 1 × GW Instek AFG-2225 Dual-Channel Arbitrary Function Generator
- 2 × GTL-101 Test Leads
- 1 × AC Power Cord
- 1 × Quick Start Manual
- 1 × User Manual CD
Package contents may vary depending on the supplier or regional distribution.
Applications & Use Cases of GW Instek AFG-2225
The GW Instek AFG-2225 is suitable for a wide range of electronic testing, signal generation, and engineering development applications.
- Electronic Circuit Design and Debugging: Generate different signal types to evaluate circuit behavior, identify faults, and troubleshoot electronic designs.
- Analog and Digital Circuit Testing: Apply controlled waveforms to test and evaluate analog and digital electronic circuits.
- Educational Laboratories and Engineering Training: Support practical electronics experiments, signal generation demonstrations, and engineering education.
- Embedded System Development: Generate test signals for evaluating embedded electronic systems and associated circuit interfaces.
- Communication System Research: Use AM, FM, PM, FSK, and SUM modulation for communication-related research and signal testing.
- Sensor Interface Testing: Generate input signals to evaluate sensor interfaces and electronic signal-processing circuits.
- Signal Integrity Verification: Apply controlled waveforms to examine circuit responses and verify signal behavior.
- Differential Signal Generation: Utilize two independent, phase-related output channels for differential signaling applications.
- Automated Production Testing: Generate repeatable test signals for electronic device testing and production workflows.
- Research and Development Laboratories: Support waveform experimentation, prototype evaluation, and electronic product development.
- Quality Assurance and Product Validation: Apply consistent signal inputs to assess electronic product performance during testing and validation.
Documentation and Official Resources
For detailed technical information, operating instructions, specifications, and software support, visit the official GW Instek AFG-2225 product page. The manufacturer's resource section provides access to the user manual, datasheet, brochure, quick start guide, arbitrary waveform editing software, and other relevant documentation.
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Frequently Asked Questions (FAQs)
1. Does the GW Instek AFG-2225 feature true dual-channel output?
Yes, the AFG-2225 is equipped with a true dual-channel architecture where Channel 2 provides the exact same characteristics, bandwidth, and output capabilities as Channel 1, making it ideal for differential and IQ testing.
2. Can I connect this function generator to a PC or flash drive?
Yes, it features standard USB Host and Device interfaces. This allows you to connect a flash drive to transfer custom waveforms or link the generator directly to a PC for remote control and waveform editing.
3. What types of modulations are supported by the AFG-2225?
The instrument supports multiple standard modulation types including AM, FM, PM, FSK, SUM, as well as built-in Sweep, Burst functions, and an integrated frequency counter.
4. Is the square wave duty cycle adjustable?
Yes, the square waveform features a highly flexible 1% to 99% adjustable duty cycle, allowing it to function effectively as a pulse signal source.