Q-tester
Measure coil Q with precision. Q-tester helps ham radio operators and antenna builders measure the Q factor of a coil using the ringdown method.
Built for antenna builders
If you build antennas or work on radio projects, Q-tester gives you a straightforward way to evaluate coil performance and refine your designs with better data.
Why Q-tester?
- Measures coil Q factor with the ringdown method
- Uses iterative waveform fitting for analysis
- Designed for ham radio and antenna experimentation
- Built for hobbyists who want a serious measurement tool
How it works
- Record the coil’s ringdown waveform
- Analyze the signal using damped sine-wave fitting
- Calculate the Q factor from the result
- Use the data to improve your coil or antenna design
Ideal for
- Ham radio operators
- Antenna builders
- RF hobbyists
- Experimenters working with coils and resonant circuits
Pricing
Q-tester — $87.87
Ready to measure better?
Get a reliable way to test coil performance and support your next antenna project.