Siglent Technologies SDS1104X-U Digital Oscilloscope User Manual

1. Introduction

The Siglent SDS1104X-U is a 100MHz Super Phosphor Digital Oscilloscope featuring 4 channels, designed for precise signal analysis and measurement. It offers a maximum sample rate of 1 GSa/s and a record length of up to 14 Mpts. Utilizing SPO (Super Phosphor Oscilloscope) technology, this device delivers excellent signal fidelity and performance, making it suitable for a wide range of electronic testing applications. Its user-friendly interface and advanced features, including a digital trigger system and 128k point FFT function, provide comprehensive waveform analysis capabilities.

2. Safety Information

Please read all safety instructions carefully before operating the oscilloscope to prevent injury and avoid damage to the instrument or any connected products. Keep this manual for future reference.

• Power Source: Connect the instrument only to the power source specified in this manual.
• Grounding: Ensure the instrument is properly grounded to prevent electric shock.
• Ventilation: Do not block ventilation openings. Ensure adequate airflow around the instrument.
• Environment: Operate the instrument in a dry, well-ventilated area, away from direct sunlight, high temperatures, and excessive dust.
• Probes: Use only probes supplied or recommended by Siglent. Ensure probes are correctly compensated before use.
• Maintenance: Refer all servicing to qualified service personnel. Do not attempt to repair the instrument yourself.

3. Package Contents

Verify that all items listed below are included in your package. If any items are missing or damaged, please contact your supplier.

• SDS1104X-U Digital Oscilloscope
• USB Cable (1)
• Quick Start Guide (1)
• Passive Probes (4)
• Certification (1)
• Power Cord (1)

4. Product Overview

4.1 Front Panel

The front panel of the SDS1104X-U features the main display, control knobs, function buttons, and input connectors for the four channels. The intuitive layout allows for quick access to commonly used functions.

Figure 4.1: Front view of the SDS1104X-U Oscilloscope, showing the display, control knobs, and input channels.

Figure 4.2: Detailed view of the front panel, highlighting the vertical, horizontal, and trigger control sections.

4.2 Rear Panel

The rear panel includes the power input, ventilation fan, LAN port, and other auxiliary connectors.

Figure 4.3: Rear view of the SDS1104X-U Oscilloscope, showing the power input, LAN port, and ventilation. The serial number is visible as SDSAHBAQ4R0003.

4.3 Display

The SDS1104X-U features a large 7-inch TFT-LCD display with an 800x480 resolution. It supports a 256-level intensity grading display function and a color temperature display mode for enhanced waveform visualization.

Figure 4.4: Close-up of the oscilloscope display, illustrating waveform capture and measurement readouts.

5. Setup

1. Power Connection: Connect the provided power cord to the AC input on the rear panel and then to a suitable power outlet.
2. Power On: Press the power button on the front panel to turn on the oscilloscope.
3. Probe Connection: Connect the passive probes to the desired input channels (CH1, CH2, CH3, CH4) on the front panel.
4. Probe Compensation:

   Before taking measurements, it is crucial to compensate the probes to ensure accurate readings. Connect the probe tip to the probe compensation output (usually a square wave signal) on the front panel and the ground clip to the ground terminal. Adjust the compensation trimmer on the probe until a flat-top square wave is displayed on the screen.

6. Operating Instructions

6.1 Basic Measurements

To perform basic voltage and time measurements:

• Auto Setup: Press the Auto Setup button to automatically adjust the vertical, horizontal, and trigger settings for a stable waveform display.
• Vertical Controls: Use the vertical position and scale knobs for each channel to adjust the waveform's vertical position and amplitude.
• Horizontal Controls: Use the horizontal position and scale knobs to adjust the waveform's horizontal position and time base.
• Measure Function: Press the Measure button to access automatic measurement parameters such as Vpp, Vmax, Vmin, Frequency, Period, etc.

6.2 Advanced Features

• SPO Technology: The Super Phosphor Oscilloscope (SPO) technology provides a high waveform capture rate of 400,000 frames/sec (sequence mode), allowing for the capture of infrequent events.
• FFT Function: Utilize the 128k point FFT math function for high-frequency resolution when analyzing signal spectra. Access this via the Math menu.
• Serial Bus Decoding: The SDS1104X-U supports serial bus triggering and decoding for various protocols including IIC, SPI, UART, CAN, and LIN. This feature is standard and can be accessed through the Decode menu.
• Record Length: With a record length of up to 14 Mpts, the oscilloscope allows for detailed analysis of long signal acquisitions. Advanced measurements can be performed on the full memory.

6.3 Triggering

The innovative digital trigger system offers high sensitivity and low jitter. Common trigger types include Edge, Pulse, Video, Slope, and more. Adjust trigger settings using the dedicated Trigger section controls.

7. Maintenance

• Cleaning: Clean the instrument's exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents. Ensure the instrument is powered off and unplugged before cleaning.
• Storage: Store the oscilloscope in a clean, dry environment, away from extreme temperatures and humidity.
• Calibration: Regular calibration by qualified personnel is recommended to maintain measurement accuracy.

8. Troubleshooting

9. Specifications

10. Warranty and Support

Siglent Technologies is committed to providing high-quality electronic test and measurement equipment. For warranty information, technical support, or service inquiries, please refer to the official Siglent website or contact your local distributor.

You can also visit the official Siglent store for more information and resources: Siglent Technologies Amazon Store.

Figure 10.1: An engineer utilizing a Siglent oscilloscope for testing, demonstrating typical usage.