Liquid Instruments Knowledge Base

Laura Becerra

laura@liquidinstruments.com

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All Categories
Moku:Go
Moku:Lab
Moku:Pro
Python API
MATLAB API
Arbitrary Waveform Generator
Data Logger
Digital Filter Box
FIR Filter Builder
Frequency Response Analyzer
Laser Lock Box
Lock-in Amplifier
Oscilloscope
Phasemeter
PID Controller
Spectrum Analyzer
Time & Frequency Analyzer
Waveform Generator
Logic Analyzer & Pattern Generator
Multi Instrument Mode
Moku Cloud Compile
Moku general
LabVIEW

How can I maintain my output signal in between API calls?

Published March 11th, 2025 by Laura Becerra

Each time the API connects to a Moku device, it resets the outputs. To avoid disruptions in output signals in between API calls, use ‘persist_state’ when claiming ownership of your Moku device. Below is an example of how to implement persist_state: Python: i = WaveformGenerator('xxx.xxx.x.xx', force_connect=True, persist_state=True) MATLAB: i = Moku

How do I convert dB units from the Frequency Response Analyzer to voltage?

Published March 14th, 2025 by Laura Becerra

The Frequency Response Analyzer calculates gain in decibels (dB) by determining the voltage ratio between the output and input signals. The gain is expressed using the following equation: dB = 20*log10(Vout/Vin)

Setting up mokucli on Linux with symbolic link

Published February 5th, 2025 by Laura Becerra

To set up mokucli symbolic link on a Linux system: Download the latest mokucli package from the Utilities page . Once the download is complete, get the path for mokucli. Using your terminal, navigate to the inside of the extracted downloads folder. You should see mokucli listed. Type “pwd” in your terminal once inside of the extracted folder to get

How do I adjust the output voltage range limits on Moku:Pro?

Published April 2nd, 2025 by Laura Becerra

Moku:Pro has two options for output voltage range into 50 Ohms: +/- 1V (2 Vpp) and +/- 5V (10 Vpp). To adjust the output voltage range on the Lock In Amplifier, FIR Filter Builder, PID Controller, Digital Filter Box, and Laser Lock Box, the output gain on the right hand side should be selected and changed to 0 dB for +/- 1V and +14 dB for +/- 5V as

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