Moku:Go Frequency Response Analyzer

Compare all frequency response analyzers


The Moku:Go Frequency Response Analyzer enables you to measure the frequency response of a system in both magnitude and phase using a swept sine output from 10 mHz to 20 MHz. Select up to 8192 points per sweep and configure settling and averaging time to balance total sweep duration and signal-to-noise ratio.



Frequency range
10 mHz to 20 MHz

Averaging time
1 µ to 10 s

Settling time
Variable (1 µs – 10 s)


Sweep points
32, 64, 128, 256, 512, 1024, 2048, 4096, 8192

Source impedance
200 Ω

Output voltage
10 Vpp

Input voltage range
10 Vpp or 50 Vpp

-100 dB

Harmonic detection
Up to 15th

Key features

Stimulate the device under test
Linear or logarithmic swept sine output

Configurable math channel
Math channel to add, subtract, multiply, divide, or calculate arbitrary complex-valued equations as response functions are acquired

Rapid phase, amplitude vs frequency measurements
Use cursors and markers to measure exact values on the plots

Wide range of settling and averaging times
Measurement averaging and settling times are highly configurable

Rapid data sharing
Easily save data and upload to the cloud or Dropbox in common formats

2 outputs and 2 inputs are independently configurable
Probe two systems simultaneously, or one system at two points

Live Bode plot updates; or pause for analysis
Monitor the magnitude and phase on the interactive Bode plot

One-click normalization
Save a normalization trace to compare systems or remove spurious cable shifts

Measurement modes
• Absolute (input)
• Relative to output (input/output)
• Relative to first input (input/input 1)


Impedance measurement

Capacitance/inductance measurement

Stability analysis

Power supply analysis

EMI filter characterization

Electrochemical impedance analysis

Biochemical impedance analysis


Moku:Go Datasheet
Moku:Go's Frequency Response Analyzer Datasheet

User Manual
Moku:Go’s Frequency Response Analyzer User Manual

App Notes
Download Printable Version

Software & APIs

Wirelessly configure and monitor the magnitude and phase of your system’s transfer function, all from intuitive Moku software for Windows or macOS, or with APIs for Python, MATLAB, and LabVIEW.

Intuitive software for Windows and Mac

Configure your instrument and save and share data with Moku software. Free and easy to use, all instruments are included with no software license required.

Try it in demo mode

Math channel

Use the Math channel to effortlessly plot your system’s transfer function.


Dynamic display

Click and zoom into features of interest, then save the results to the cloud for later analysis.


Available on Moku:Go hardware

A powerful FPGA paired with a high-quality analog front-end make Moku:Go the most robust hardware in education, capable of complex, real-time digital signal processing. An integrated Wi-Fi hotspot and programmable power supplies ensure that students have the complete solution they need all four years (and beyond).

Moku:Go features a suite of integrated instruments

Replace multiple instruments with a single device that has everything students need for a fraction of the cost.