Moku:Lab’s Phasemeter
Overview
Moku:Lab’s Phasemeter measures phase of up to two input signals with better than 6 µradian precision from 1 kHz up to 200 MHz. Based on a digitally implemented phase-locked loop architecture, Moku:Lab’s phasemeter provides exceptional dynamic range, zero dead-time and measurement precision that exceeds the performance of conventional lock-in amplifiers and frequency counters.
Specs
Input frequency range
1 kHz – 200 MHz
Tracking bandwidth
• 300 mHz
• 600 mHz
• 2.5 Hz
• 10 Hz
• 40 Hz
• 150 Hz
• 600 Hz
• 2.5 kHz
• 10 kHz
Frequency set-point precision
3.55 µHz
Frequency precision
Up to f x 10 µHz/√Hz, f = Fourier frequency
Input voltage range
1 Vpp or 10 Vpp
Data logging rates
• 30.5 Hz
• 122 Hz
• 488 Hz
• 1.95 kHz
• 15.6 kHz
• 125 kHz
Phase precision
Up to 100 nCycles/√Hz above 1 Hz
Key features
Two independent phasemeter channels with output options
Track and record the phase, frequency, and amplitude of two independent signals.
Phase-locked output option enables you to generate sine waves that are phase-locked to the inputs.
Real-time data analysis support
Real-time spectral analysis to display and save Power Spectral Densities, Amplitude Spectral Densities, Allan Deviation and more
Built-in analysis
Allan Deviation
Flexible signal tracking options
Phase-locked loop tracking bandwidths from 10 mHz (great for tracking low SNR signals) up to 10 kHz (ideal for signals with large dynamics).
Free-wheeling mode intelligently holds the loop state when the signal fades unexpectedly and automatically re-engages when it returns.
Applications
Oscillator analysis
Optical/ultrasound ranging
Gravitational wave detection
Interferometry
Phase-locked loop
Documentation
User Manual
Videos
Allan Deviation with Moku:Lab’s Phasemeter – Application
Freedom in the lab when you need it
Simultaneously measure phase, frequency, and amplitude without being tethered to your lab bench. Conduct real-time spectral analysis from the intuitive iPad app while moving freely throughout the lab.
Try it in demo mode
Simultaneously measure phase, frequency and amplitude
With a phase-locked loop architecture, Moku:Lab’s Phasemeter continuously tracks the phase, frequency, and amplitude of an input signal at the same time.
Real-time spectral analysis
Analyze measurements in the time and frequency domains, including Allan deviation, power and amplitude spectral densities.
Available on Moku:Lab hardware
The digital signal processing power of an FPGA coupled with the high-quality analog front-end ensures that with Moku:Lab you never have to sacrifice performance for flexibility.
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