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Frequency Response Analyser

Frequency-Response-Analyser

Available on Moku:Go, Moku:Lab, and Moku:Pro hardware

Liquid Instruments

Frequency Response Analyser

The Moku Frequency Response Analyser 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. With up to four inputs and outputs available for Moku devices, it’s easy to enable 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.

Below is the Frequency Response Analyser’s user interface showcasing some of the key features explained below:

 

Key Features of the Frequency Response Analyser:

With one-touch normalization, an integrated Oscilloscope, and advanced saturation detection and adjustments, you can expect more from the Moku Frequency Response Analyser.

 

Stimulate and measure for complete characterization with the Moku Frequency Response Analyser

Apply a swept sine signal to your device under test to view the system response in magnitude and phase. Independently configure up to four inputs and four outputs, allowing you to probe up to four systems simultaneously, or one system at four points.

 

One-touch normalisation to see the real response of your device under test

Isolate the magnitude and phase response of the system under test by normalising out intrinsic delays and magnitude errors introduced by cables and Moku:Pro itself. Save a normalisation trace to compare systems or remove spurious cable shifts

 

Live Bode plots for real-time frequency response analysis

Monitor the magnitude and phase on the interactive Bode plot, allowing you to make measurements across fundamental and harmonics to characterize nonlinear effects.

 

Configurable math channel for enhanced flexibility

Use the math channel to add, subtract, multiply, divide, or calculate arbitrary complex-valued equations as you acquire response functions. Easily graph a system’s output over input to make precise two-port impedance response measurements.

 

Engineered to work seamlessly with your preferred APIs

Use the math channel to add, subtract, multiply, divide, or calculate arbitrary complex-valued equations as you acquire response functions. Easily graph a system’s output over input to make precise two-port impedance response measurements.

Applications:

  • Component characterisation
  • EMI filter characterization
  • Impedance measurement
  • Power supply analysis
  • Stability analysis

The Frequency Response Analyser runs on Moku:Go, Moku:Lab and Moku:Pro. You can compare the platform specifications below:

Moku:Go‘s
Frequency Response Analyser
Moku:Lab‘s
Frequency Response Analyser
Moku:Pro‘s
Frequency Response Analyser
Frequency range
10 mHz to 20 MHz 10 mHz to 120 MHz 10 mHz to 300 MHz
Averaging time
1 µs – 10 s 1 µs – 10 s 1 µs – 10 s
Sweep
Linear/logarithmic Linear/logarithmic Linear/logarithmic
Input impedance
1 MΩ 50 Ω / 1 MΩ 50 Ω / 1 MΩ
Settling time
1 µs – 10 s 1 µs – 10 s 1 µs – 10 s
Deployable in Multi-instrument Mode?
Yes N/A Yes
Software & Utilities
Windows, macOS, iPadOS, and visionOS apps
API support for Python, MATLAB, and LabVIEW
Windows, macOS, iPadOS, and visionOS apps
API support for Python, MATLAB, and LabVIEW
Windows, macOS, iPadOS, and visionOS apps
API support for Python, MATLAB, and LabVIEW
Frequency Response Analyser Datasheet - Moku:Go
Frequency Response Analyser Datasheet - Moku:Lab
Frequency Response Analyser Datasheet - Moku:Pro
Frequency Response Analyser User Manual - Moku:Go
Frequency Response Analyser User Manual - Moku:Lab
Frequency Response Analyser User Manual - Moku:Pro
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Frequency-Response-Analyser

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