1. Introduction
The FY2300 series Dual Channel DDS Function/Arbitrary Waveform Signal Generator is a versatile instrument capable of generating various waveforms including sine, square, triangle, arbitrary, and pulse waves, along with TTL output. It features a fully CNC dual-channel design and a 12-bit high-speed Digital-to-Analog converter (DA) for enhanced waveform fineness. This manual provides essential information for setting up, operating, maintaining, and troubleshooting your FY2300 signal generator.
2. Product Features
- Fully CNC Dual Channel design.
- 12-bit high-speed DA for 4 times improved waveform fineness compared to older 10-bit models.
- Generates Sine wave, Square wave, Triangle wave, Arbitrary wave, and Pulse wave.
- TTL output and Trigger function.
- Frequency output range: 1 µHz - 25 MHz.
- Frequency meter measurement range: 0.01 Hz - 100 MHz.
- Includes 31 commonly used waveforms and 16 sets of user-defined waveform storage locations.
- 2.4-inch TFT Color Display.
- USB to Serial interface for communication.
- Adjustable buzzer setting.
3. Setup and Connections
3.1 Physical Dimensions
The FY2300 signal generator has a compact design. The circuit board dimensions (without the shell) are as follows:
- Length: 140mm
- Width: 90.9mm
- Height: 25mm
- Hole spacing (lengthwise): 135mm
- Hole spacing (widthwise): 85mm
3.2 Front and Rear Panel Overview
Familiarize yourself with the controls and ports on the device:
- Function button area
- Color LCD display screen
- Menu key
- Direction keys
- Channel control switch
- Adjust knob/OK key
- DC 5V power supply interface
- USB communication interface
- Power switch
- CH2 output port
- CH1 output port
- External measurement port
- TTL input/output ports
3.3 Power Supply
Connect the device to a DC 5V ±0.5V power source using the DC 5V power supply interface (7).
3.4 Initial Power On
After connecting the power, switch on the device using the Power switch (9). The 2.4-inch TFT Color Display (2) will light up, indicating the device is ready for operation.
4. Operating Instructions
4.1 Basic Waveform Generation
Use the Function button area (1) and Menu key (3) to navigate through the waveform options. The Adjust knob/OK key (6) and Direction keys (4) allow you to select and modify parameters such as frequency, amplitude, offset, and phase for CH1 and CH2.
- Sine Wave: Generate smooth, continuous oscillations.
- Square Wave: Produce signals with sharp transitions between high and low states.
- Triangle Wave: Create linear ramp-up and ramp-down signals.
- Pulse Wave: Generate pulses with adjustable duty cycles.
- Arbitrary Waveform: Load custom waveforms.
- TTL Output: For digital logic applications.
4.2 Frequency Measurement
The device includes a frequency meter with a measurement range of 0.01 Hz to 100 MHz. Connect the signal to be measured to the External measurement port (12).
4.3 Connecting to an Oscilloscope
To visualize the generated waveforms, connect the CH1 output port (11) or CH2 output port (10) to an oscilloscope using appropriate BNC cables.
4.4 Using PC Software for Arbitrary Waveforms
The FY2300 supports arbitrary waveform generation via PC software. Connect the device to your computer using the USB communication interface (8). You can draw custom waveforms in the software and send them to the signal generator.
4.5 Buzzer Settings
The internal buzzer can be turned on or off through the device settings. Refer to the on-screen menu for navigation to this option.
5. Maintenance
5.1 Heat Dissipation
The FY2300 is designed with effective heat dissipation. Heat generated by the operational amplifier is dissipated through the aluminum alloy housing via a thermal conductive silicone pad. This ensures stable operation over long periods.
5.2 General Care
- Keep the device clean and free from dust. Use a soft, dry cloth for cleaning.
- Avoid exposing the device to extreme temperatures, humidity, or direct sunlight.
- Do not block the ventilation slots on the housing.
- Store the device in a safe place when not in use to prevent physical damage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device does not power on. | No power supply or faulty connection. | Ensure DC 5V power adapter is correctly connected and functional. Check power switch (9). |
| No waveform output. | Incorrect settings or loose cable connection. | Verify waveform parameters on the display. Check connections to CH1/CH2 output ports (10, 11) and oscilloscope. Ensure channel is enabled. |
| PC software cannot connect. | USB driver issue or incorrect port selection. | Install necessary USB drivers. Ensure correct COM port is selected in the software. Check USB cable connection. |
| Waveform appears distorted on oscilloscope. | Incorrect oscilloscope settings or signal generator parameters. | Adjust oscilloscope time base, voltage scale, and trigger settings. Verify amplitude, offset, and phase settings on the signal generator. |
7. Specifications
| Feature | Specification |
|---|---|
| Model Name | FY2300 Signal Generator |
| Product Number | X009 |
| Display Size | 2.4 inch TFT Color Display |
| Interface Type | USB to Serial |
| Communicating Speed | 9600bps |
| Voltage Range | DC5V±0.5V |
| Buzzer | Configurable (On/Off) |
| Device Size | 140 * 95 * 54.2mm |
| Waveform Types | Sine, Square, Triangle, Arbitrary, Pulse, TTL |
| Frequency Output Range | 1 µHz - 25 MHz |
| Frequency Meter Range | 0.01 Hz - 100 MHz |
| DA Conversion | 12-bit high-speed |
| Arbitrary Waveform Storage | 16 sets |
8. User Tips
- Cable Check: Always ensure all connecting cables (power, USB, BNC) are securely attached before operation to prevent unexpected behavior or signal loss.
- Software Compatibility: When using PC software for arbitrary waveforms, ensure your operating system and software version are compatible with the device's drivers.
- Environmental Conditions: Operate the signal generator in a well-ventilated area to aid in heat dissipation and prolong its lifespan.
9. Warranty and Support
For warranty information and technical support, please refer to the documentation provided with your purchase or contact the seller directly. Keep your purchase records for any warranty claims.



