Schumann Signal Generator 0.1Hz–30KHz | Sine & Square Wave
Schumann Signal Generator 0.1Hz–30KHz | Sine & Square Wave
Schumann Waveform Signal Generator – 0.1Hz to 30KHz Wide Frequency Range
The HpLive Schumann Waveform Signal Generator is a compact, versatile PCB-based signal generator designed for electronics enthusiasts, DIYers, researchers, and hobbyists. Defaulting to the well-known 7.83Hz Schumann frequency, it delivers clean, stable waveform outputs across an impressively wide adjustable range of 0.1Hz to 30,000Hz. With a backlit display, multiple waveform modes, and ultra-low power consumption, it's an excellent bench tool for signal testing, frequency experiments, and DIY electronics projects.
Key Features
- Wide Frequency Range: Adjustable from 0.1Hz to 30KHz — suitable for a broad range of signal generation applications.
- Pure Sine Wave Output: Delivers a clean and stable 7.83Hz standard sine wave via the antenna output for precise use cases.
- Multiple Waveform Options: Interface outputs support Sine Wave, Square Wave, and Inverted Square Wave simultaneously from the bottom-left output port.
- Real-Time Frequency Display: On-screen backlit display lets you monitor and adjust output frequency instantly.
- Low Power Consumption: Operates at under 1W on a standard 5V DC supply — energy-efficient and easy to power via USB adapters or power banks.
- Compact PCB Design: Green PCB board at 15×15cm — easy to integrate into your existing setup or workbench.
Technical Specifications
| Material | PCB |
| Color | Green |
| Size | 15 × 15 cm |
| Default Frequency | 7.83Hz |
| Adjustable Range | 0.1Hz – 30,000Hz |
| Antenna Waveform | Sine Wave |
| Interface Waveform | Sine Wave + Square Wave + Inverted Square Wave (simultaneous) |
| Sine Wave Voltage Amplitude | 3V |
| Square Wave Voltage Amplitude | 5V |
| Power Supply | 5V DC (DC5.5×2.1 interface) |
| Rated Power Consumption | <1W |
| Battery Included | No |
What's in the Box
- 1 × Signal Generator (PCB Board)
Made in Mainland China.
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Note: Actual product color may vary slightly from images due to monitor brightness and lighting conditions. Please allow minor measurement tolerances for stated dimensions.
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Frequently Asked Questions
Q: What is the default output frequency of this Schumann signal generator?
A: The generator defaults to 7.83Hz — the widely referenced Schumann resonance frequency. The frequency is fully adjustable across the entire range of 0.1Hz to 30,000Hz using the onboard controls.
Q: What waveform types does this signal generator output?
A: The antenna outputs a pure sine wave, while the bottom-left interface port simultaneously outputs three waveforms: Sine Wave, Square Wave, and Inverted Square Wave — making it highly flexible for various testing and DIY electronics projects.
Q: What power source does this signal generator require?
A: It requires a 5V DC power supply via a standard DC 5.5×2.1mm barrel connector. It consumes less than 1W, so it can be powered by most USB adapters (with the appropriate cable/adapter) or a 5V bench power supply. No battery is included or required.
Q: Is this suitable for beginners in electronics and DIY projects?
A: Yes. The compact PCB design, real-time backlit frequency display, and straightforward controls make this signal generator accessible for electronics hobbyists, students, and DIY enthusiasts, as well as more experienced users who need a reliable benchtop frequency source.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.