1. Introduction
The JOY-IT JT-JDS2960 is a highly versatile 2-channel signal generator designed for a wide range of measurement technology applications. It is capable of generating signals up to 60 MHz and supports various waveforms including sine, square, triangle, pulse, and half-wave. Its compact design, robust aluminum casing, and 2.4-inch color TFT display ensure optimal ease of use and portability, making it an indispensable tool for professionals and hobbyists alike.
2. Safety Instructions
Please read and understand these safety instructions before operating the device. Failure to follow these instructions may result in electric shock, fire, or damage to the device.
- Power Source: Use only the provided power adapter or a compatible 5V DC power source. Ensure the power source meets the device's specifications.
- Environment: Operate the device in a dry, well-ventilated area. Avoid exposure to moisture, extreme temperatures, or direct sunlight.
- Handling: Do not drop or subject the device to strong impacts. The robust aluminum casing provides protection, but excessive force can cause damage.
- Maintenance: Do not attempt to open or repair the device yourself. Refer all servicing to qualified personnel.
- Connections: Ensure all cables are securely connected before powering on the device. Avoid short circuits.
3. Package Contents
Verify that all items listed below are included in your package:
- JOY-IT JT-JDS2960 Mobile Signal Generator
- BNC-BNC Cable
- 2x BNC to Alligator Clip Cables
- USB DC Power Cable
- USB Data Cable
- Power Supply
Figure 3.1: The JOY-IT JT-JDS2960 Signal Generator with all included accessories, including cables and power supply.
4. Product Overview
Familiarize yourself with the components and controls of your JT-JDS2960 Signal Generator.
Figure 4.0: Overall angled view of the JOY-IT JT-JDS2960 Signal Generator, highlighting its compact design and display.
4.1. Front Panel
Figure 4.1: Close-up view of the front panel, showing the display, rotary encoder, and control buttons.
- Display: 2.4-inch Color TFT LCD for waveform visualization and parameter settings.
- Rotary Encoder: Used for navigating menus and adjusting parameter values.
- Control Buttons:
- OK: Confirms selections or enters sub-menus.
- MOD: Selects modulation types.
- WAVE: Selects waveform types (Sine, Square, Triangle, etc.).
- MEAS: Accesses the frequency counter function.
- SYS: Enters system settings.
- FREQ: Adjusts frequency.
- AMPL: Adjusts amplitude.
- OFFS: Adjusts DC offset.
- DUTY: Adjusts duty cycle (for square/pulse waves).
- PHAS: Adjusts phase.
- CH1/CH2 Buttons: Enable/disable output for Channel 1 and Channel 2.
4.2. Side and Rear Panels
Figure 4.2: Left side panel showing the DC 5V power input, USB port, and power switch.
Figure 4.3: Rear panel showing the BNC output connectors for CH1, CH2, TTL_IN, and EXT.IN.
- DC 5V Input: Power input for the device.
- USB Port: For data connection to a computer.
- ON/OFF Switch: Powers the device on or off.
- CH1 Output: BNC connector for Channel 1 signal output.
- CH2 Output: BNC connector for Channel 2 signal output.
- TTL_IN: TTL input.
- EXT.IN: External input.
5. Setup
Follow these steps to set up your signal generator for first use.
- Connect Power: Connect the provided USB DC power cable to the DC 5V input on the left side panel of the device. Plug the other end into the power supply, and then into a suitable wall outlet.
- Power On: Flip the ON/OFF switch on the left side panel to the 'ON' position. The display should illuminate.
- Connect Output: Use the BNC-BNC cable or BNC to alligator clip cables to connect the CH1 or CH2 output to your desired test circuit or measurement device.
- (Optional) USB Connection: If you plan to control the device via a computer, connect the USB data cable from the device's USB port to your computer. Install any necessary drivers or software as per the manufacturer's website (www.joy-it.net).
6. Operating Instructions
This section details how to generate and control various waveforms using your JT-JDS2960.
6.1. Basic Operation
- Select Channel: The display shows settings for CH1 and CH2. Use the navigation buttons or rotary encoder to highlight the channel you wish to configure.
- Enable Output: Press the corresponding CH1 or CH2 button (yellow or blue) on the front panel to enable the output for that channel. The 'ON' indicator on the display will light up.
- Select Waveform: Press the WAVE button. Use the rotary encoder to scroll through available waveforms (Sine, Square, Triangle, Pulse, Sawtooth, etc.) and press OK to select.
- Adjust Parameters: Use the dedicated buttons (FREQ, AMPL, OFFS, DUTY, PHAS) to select the parameter you wish to adjust. Use the rotary encoder to change the value and OK to confirm.
6.2. Advanced Functions
- Frequency Counter: Press the MEAS button to enter the frequency counter mode. Connect the signal you wish to measure to the appropriate input (e.g., TTL_IN or EXT.IN).
- Modulation: Press the MOD button to access modulation settings. The JT-JDS2960 supports various modulation types.
- Sweep Function: This function allows the frequency to automatically sweep within a defined range. Refer to the on-screen menu after selecting the sweep option.
- Burst Function: Generates a specific number of waveform cycles.
- Custom Waveforms: The device supports up to 60 custom waveforms. Consult the detailed software manual (available on www.joy-it.net) for instructions on creating and loading custom waveforms via USB.
7. Specifications
Technical specifications for the JOY-IT JT-JDS2960 Signal Generator.
| Feature | Specification |
|---|---|
| Display | 2.4-inch Color TFT LCD |
| Channels | 2-channel Signal Generator, 1 Frequency Counter |
| Frequency Range (Sine) | 0 - 60 MHz |
| Frequency Range (Square, Triangle) | 0 - 25 MHz |
| Frequency Range (TTL, Pulse) | 0 - 6 MHz |
| Waveforms | Sine, Square, Triangle, Pulse, Sawtooth, Half-wave, Exponential Rise/Fall, etc. (60 custom waveforms) |
| Frequency Measurement Range | 1 Hz - 100 MHz |
| Frequency Accuracy | ±20 ppm |
| Frequency Stability | ±1 ppm/3 hours |
| Sampling Rate | 266 MSa/s |
| Vertical Wave Resolution | 14 bits |
| Memory Locations | 100 |
| Interface | USB-B |
| Operating Voltage | 5V DC |
| Weight | 900 g |
| Dimensions (LxWxH) | 145 x 95 x 55 mm |
8. Maintenance
Proper care and maintenance will ensure the longevity and optimal performance of your signal generator.
- Cleaning: Use a soft, dry cloth to clean the exterior of the device. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the device in a cool, dry place, away from direct sunlight and dust.
- Inspection: Periodically check cables and connectors for any signs of wear or damage. Replace damaged components immediately.
9. Troubleshooting
If you encounter issues with your JT-JDS2960, refer to the following common problems and solutions.
- Device does not power on:
- Ensure the power cable is securely connected to both the device and the power outlet.
- Verify the power switch is in the 'ON' position.
- Check if the power adapter is functioning correctly.
- No signal output:
- Ensure the desired channel (CH1 or CH2) is enabled by pressing its respective button. The 'ON' indicator on the display should be active.
- Check the output cable connections to your test circuit.
- Verify that the amplitude is not set to 0V.
- Incorrect frequency/amplitude readings:
- Ensure the correct parameters are selected and adjusted using the rotary encoder.
- Check the connections to your measurement device.
- Perform a factory reset if issues persist (refer to system settings).
10. Warranty and Support
For warranty information, technical support, or to download the latest software and detailed manuals, please visit the official JOY-IT website.
Official Website: www.joy-it.net
Please have your model number (JT-JDS2960) and purchase details ready when contacting support.
