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Category: Frequency Response Analyzer
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MEMs characterization 101: Everything you need to know
Everywhere you look, it’s obvious: Devices today are getting smaller. What you may not realize is how small they’re truly becoming. Enter microelectromechanical systems (MEMS). MEMS are tiny devices or systems with both electrical and mechanical components. These systems range from a few micrometers to a few millimeters in size. At these scales, there is…
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Impedance measurements with Moku:Go – Part 2: Inductance
This application note presents an example and discussion of how to make accurate impedance measurements with a Moku:Go device. In Part 1, we explored the math of measuring resistance using voltage measurements from the software-defined Moku Frequency Response Analyzer. Now in Part 2, we’ll explore inductance measurements. Using the Moku Frequency Response Analyzer The Moku…
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Impedance measurements with Moku:Go – Part 1: Resistance
This application note presents an example of making impedance measurements using the Moku:Go device. Here in Part 1, we will explore the underlying mathematical principles of measuring resistance and its accuracy using the software-defined Moku Frequency Response Analyzer. In Part 2, we expand our analysis to include inductance. In Part 3, we will explore capacitance.…
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Laser locking with closed-loop transfer function measurement
Multi-instrument Mode on Moku:Pro allows you to lock lasers to optical cavities with the Laser Lock Box while also measuring the Bode plots by using the Frequency Response Analyzer (FRA) with no additional test equipment or wiring. By injecting a disturbance into the error signal and measuring the transfer function using the FRA, you can check…
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Using Moku:Pro for photonic IC control system research at Intel Labs
Introduction Researchers at Intel Labs’ photonic device research lab are working on a range of cutting-edge projects to advance and maximize the advantages of heterogeneously integrated silicon photonic integrated circuits (PICs). As team members typically explore new designs at a rapid pace in a highly experimental setting, they need reconfigurable, scalable tools with a small…
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Reducing noise and transients with custom real-time digital filtering
In this application note, we utilize Moku Cloud Compile and Multi-instrument Mode to explain the development of a commonly used moving average filter. We use both the Oscilloscope and Frequency Response Analyzer to examine this basic finite impulse response (FIR) filter. Then we develop, deploy, and examine a five-point median filter using Moku:Pro, Moku:Lab, or…
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S-Parameter Measurement with the Frequency Response Analyzer
Transmission and reflection signal information is vital when designing and validating RF components and systems. In this application note, Moku:Lab’s Frequency Response Analyzer is used in conjunction with an RF directional coupler for a complete S-parameter characterization of a two port network. Introduction Imagine shouting into a long, endless hallway. The sound travels into the…
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