Moku:Pro Frequency Response Analyzer

Compare all frequency response analyzers


The Moku:Pro 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 500 MHz. Moku:Pro is equipped with four inputs and outputs, enabling differential or ratiometric measurements. Select up to 8192 points per sweep and configure settling and averaging times to balance total sweep duration and signal-to-noise ratio.



Frequency range
10 mHz to 500 MHz

Averaging time
1 µs to 10 s

Settling time
1 µs to 10 s


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

Output voltage range
2 Vpp or 10 Vpp (< 100 MHz)

Input voltage range
400 mVpp, 4 Vpp, or 40 Vpp

Noise floor
< 100 kHz: < -125 dBm
100 kHz to 500 MHz: -135 dBm

Harmonic detection
Up to 15th

Source impedance
50 Ω

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

4 outputs and 4 inputs are independently configurable
Probe up to four systems simultaneously, or one system at four points

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

One touch 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:Pro Spec Sheet

Moku:Pro Datasheet
Moku:Pro’s Frequency Response Analyzer Datasheet

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

Software & APIs

Wirelessly configure and monitor your setup's performance from intuitive Moku software for iPad, Windows, or Mac, or with APIs for Python and MATLAB.

Intuitive software and API integration

Moku: app for iPadOS provides a clear and dynamic user experience, making configuring, modifying, and debugging your setup easy.

API integration with Python and MATLAB allows straightforward automation of Moku:Pro in complex setups or for repetitive tasks.

Try the software


Isolate the magnitude and phase response of the system under test by normalizing out intrinsic delays and magnitude errors introduced by cables and Moku:Pro itself.


Two-port impedance response

Precise two-port system responses, math channel enables easy graphing of a system’s output – over – input.


Available on Moku:Pro hardware

Our most powerful hardware platform to date, Moku:Pro harnesses the power of a Xilinx Ultrascale+ FPGA with higher bandwidth, lower noise, more channels, and more output power than ever before.