Best USB Arbitrary Waveform Generators for High-Precision Signal Testing
USB arbitrary waveform generators are essential tools for engineers, researchers, and hobbyists requiring precise signal generation with easy connectivity. These devices provide versatile waveform options with modulation capabilities, ideal for testing and development purposes. Below is a comparison table summarizing the top USB arbitrary waveform generators picked for their features, performance, and user convenience.
| Product | Brand | Max Frequency | Channels | Sampling Rate | Modulation Types |
|---|---|---|---|---|---|
| UNI-T UTG962E Handheld | UNI-T | 60 MHz | 2 | 200 MSa/s | AM, FM, PM, FSK |
| Siglent SDG810 | Siglent | 10 MHz | 1 | 125 MSa/s | AM, DSB-AM, FM, PM, FSK, ASK, PWM |
| OWON DGE2035 Dual-Channel | OWON | 35 MHz | 2 | 125 MSa/s | AM, FM, FSK |
| YERTAI ET3320C Signal Generator | YERTAI | 20 MHz | 2 | 200 MSa/s | Basic waveforms, 32 arbitrary waveforms |
| UNI-T UTG962E Function Generator Kit | UNI-T | 60 MHz | 2 | 200 MSa/s | AM, FM, PM, FSK |
UNI-T UTG962E Handheld 60MHz 2Ch Arbitrary Waveform Generator
The UNI-T UTG962E is a compact yet powerful waveform generator capable of outputting signals up to 60 MHz on two independent channels. It features a high sample rate of 200 MS/s and a 4Kpts memory depth, enabling generation of detailed and stable arbitrary waveforms. The unit supports multiple modulation types including AM, FM, PM, and FSK, making it suitable for communication signal testing.
Its mini palm-sized design allows for easy transport and desktop use, while bundled accessories such as a power adapter, USB cable, and BNC cables enhance versatility. Users can store up to 24 non-volatile digital arbitrary waveforms, providing flexibility across diverse testing scenarios and applications.
Siglent SDG810 10 MHz Single Channel Arbitrary Generator
The Siglent SDG810 utilizes advanced Direct Digital Synthesis (DDS) technology with a 125 MSa/s sampling rate and 14-bit vertical resolution, ensuring precise waveform reproduction. Although limited to a single output channel, it boasts a variety of built-in waveforms and supports extensive modulation functions such as AM, DSB-AM, FM, PM, FSK, ASK, PWM, and sweep capabilities.
This model is ideal for users prioritizing high resolution and diverse modulation in a compact unit. The availability of 46 built-in arbitrary waveforms including DC signals adds to its adaptability for different lab or field applications.
OWON DGE2035 Dual-Channel 35MHz Arbitrary Waveform Generator
The OWON DGE2035 delivers 35 MHz maximum frequency with dual-channel outputs and a high sampling rate of 125 MSa/s. The 14-bit resolution ensures accurate signal generation, and the unit supports a wide range of waveforms including sine, square, pulse, ramp, and noise, with a sizable memory containing 150 built-in arbitrary waveforms.
A 3.6-inch TFT color display shows waveform status and settings clearly, enhancing user interaction. Its user-friendly design, combined with AM, FM, and FSK modulation options, makes it a versatile choice for engineers requiring precise waveform manipulation and portability.
YERTAI ET3320C 20MHz DDS Arbitrary Waveform Generator Dual-Channels
The YERTAI ET3320C features a 2.4-inch color TFT LCD for clear graphical interface and ease of operation. It covers a frequency range up to 20 MHz with a 200 MSa/s sampling rate and 13-bit vertical resolution. This model includes 5 basic waveform types and 32 kinds of arbitrary waveforms and supports storing 50 customized waveforms, ideal for repetitive testing needs.
Additionally, the ET3320C is equipped with a precise 100 MHz frequency counter and 32-bit counter functions for frequency and pulse width measurement, providing convenient real-time signal analysis in a light, portable frame weighing around 600 grams.
UNI-T UTG962E Function Generator Kit 60MHz Dual-Channel
This version of the UNI-T UTG962E provides dual-channel arbitrary waveform generation with a maximum output frequency of 60 MHz and a high sampling rate of 200 MSa/s. The generator supports multiple waveform types, including sine, square, pulse, ramp, noise, and DC signals.
It offers modulation choices such as AM, FM, PM, and FSK with 24 groups of non-volatile waveform storage for quick recall. The inclusion of a built-in high-accuracy frequency counter with full-band resolution down to 1μHz supports detailed frequency scanning and output monitoring, leveraging direct digital synthesis (DDS) for waveform accuracy.
Buying Guide for USB Arbitrary Waveform Generators
When selecting a USB arbitrary waveform generator, several essential factors should be considered to match your testing needs:
- Frequency Range and Channels: Determine the maximum output frequency needed and the number of channels required. Dual-channel generators offer simultaneous multi-signal outputs, beneficial for complex tests.
- Sampling Rate and Resolution: Higher sampling rates and vertical resolution improve waveform fidelity and precision. Look for at least 125 MSa/s and 14 bits resolution for quality signal reproduction.
- Modulation Capabilities: Evaluate the modulation types supported, such as AM, FM, PM, FSK, ASK, and PWM, depending on the signal complexity required for your applications.
- Waveform Memory and Storage: Devices with built-in arbitrary waveform libraries and customizable memory storage enable quick access to frequently used signals and flexibility for custom testing.
- Display and User Interface: A clear LCD or TFT screen with user-friendly menus and shortcut keys enhances ease of use, especially for field testing or frequent adjustments.
- Portability and Connectivity: Consider size, weight, and USB connectivity options for seamless integration with computers or test setups and ease of transport.
- Additional Features: Integrated frequency counters, waveform editing software support, and sweep functions can add significant value for specialized measurements and signal manipulation.
By balancing these criteria, you can select the best USB arbitrary waveform generator tailored to your laboratory, research, or project requirements, ensuring reliable and accurate signal generation.