The Siglent SDS1104X-E and SDS1202X-E oscilloscopes are highly regarded for their performance and features at competitive price points.
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While they share some similarities, they cater to different needs and use cases. This article explores their differences and similarities to help you decide which one fits your requirements.
Quick Summary
The SDS1104X-E is a feature-rich, four channel versatile (100 MHz) scope suited for advanced measurements. By comparison, the SDS1202X-E is a two channel, affordable, higher bandwidth (200 MHz) option.
Table of Contents
Comparison Table
| Feature | Siglent SDS1104X-E | Siglent SDS1202X-E |
|---|---|---|
| Channels | 4 | 2 |
| Bandwidth | 100 MHz | 200 MHz |
| Sample Rate | 2 x 1 GSa/s or 4 x 500 MSa/s | 1 GSa/s |
| Memory Depth | 14 Mpts (2-channel mode) or 7 Mpts (4-channel mode) | 14 Mpts |
| Waveform Update Rate | Up to 100k wfms/s (400k in sequence mode) | Up to 140k wfms/s |
| Connectivity | USB, LAN, WiFi (optional), built-in web server | USB, LAN |
| Optional Accessories | WiFi dongle, external AWG, MSO module (16 digital channels) | None |
| Display | 7-inch TFT LCD | 7-inch TFT LCD |
| Advanced Features | Bode plotter, segmented memory, search functionality | Basic segmented memory |
| Price Range | Higher due to 4 channels and advanced features | More affordable |
Key Differences
- Number of Channels: The SDS1104X-E has 4 channels, making it ideal for complex measurements requiring multiple inputs. The SDS1202X-E, with 2 channels, is better suited for simpler setups.
- Bandwidth: The SDS1202X-E offers 200 MHz of bandwidth, providing higher frequency measurement capability compared to the 100 MHz bandwidth of the SDS1104X-E.
- Sample Rate: While both oscilloscopes support a maximum sample rate of 1 GSa/s, the SDS1104X-E offers flexibility with its multi-channel configurations.
- Advanced Features: The SDS1104X-E includes additional features like a Bode plotter and search functionality, which are not available in the SDS1202X-E.
- Connectivity: The SDS1104X-E supports optional WiFi and an external arbitrary waveform generator (AWG), providing enhanced connectivity and functionality.
Pros and Cons
Siglent SDS1104X-E
Pros:
- 4 channels for versatile measurements.
- Advanced features like the Bode plotter and segmented memory.
- Support for optional WiFi and digital channels via an MSO module.
Cons:
- Higher price compared to the SDS1202X-E.
- Lower bandwidth (100 MHz).
Siglent SDS1202X-E
Pros:
- 200 MHz bandwidth for high-frequency measurements.
- Affordable price, making it a great entry-level choice.
- Simple and intuitive interface.
Cons:
- Limited to 2 channels.
- Fewer advanced features compared to the SDS1104X-E.
Which One Should You Choose?
- Choose the SDS1104X-E if:
- You need 4 channels for simultaneous measurements.
- Advanced features like a Bode plotter and optional digital channels are important.
- Connectivity options like WiFi are essential for your workflow.
- Choose the SDS1202X-E if:
- You require higher bandwidth (200 MHz) for high-frequency signals.
- Budget is a key consideration.
- You only need 2 channels and basic functionality.
Summary
Both the Siglent SDS1104X-E and SDS1202X-E are excellent oscilloscopes tailored to different user needs.
The SDS1104X-E is a feature-rich, versatile tool suited for advanced measurements, while the SDS1202X-E excels as an affordable, high-bandwidth option for straightforward applications.