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Automated PCB Test on PXI: Rack Design Step by Step Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction Building a high-performance, scalable automated test rack for printed circuit boards (PCBs) requires careful planning, especially when using the PXI (PCI eXtensions for Instrumentation) platform. PXI allows t..

Reading Phase-Noise Specs Correctly on PXI Vector Signal Analyzers Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction Phase noise is one of the most critical specifications in RF and wireless testing — especially in systems where signal purity, spectral integrity, and jitter are crucial. PXI-based vector signal ..

Choosing Fiber-Optic Light Sources for Spectroscopy: LED vs. Laser Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction Fiber-optic light sources are crucial for applications like absorbance spectroscopy, fluorescence, optical sensing, and biomedical diagnostics. Choosing between an LED-based source and a laser-ba..

CompactRIO Controller vs. x86 Controller: Pros and Cons in Harsh Environments Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction Choosing between a CompactRIO (cRIO) controller and an x86-based controller depends heavily on the operating environment, control architecture, and long-term maintainability. In harsh ..

Best PXI Multimeters of 2025 for High-Volume Production Lines Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction In automated production environments, test speed and accuracy are critical. PXI-based digital multimeters (DMMs) combine precision measurements with high-throughput integration capabilities, making th..

Top 5 FlexRIO Modules for High-Speed A/D Conversion Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction NI FlexRIO modules combine high-speed analog-to-digital conversion with the reconfigurable power of FPGAs, making them ideal for advanced signal processing, radar prototyping, and communications testing. In th..

Edge Computing in Vibration Diagnostics: CompactDAQ + MQTT Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Why Edge Monitoring Matters for Vibration Diagnostics Vibration signatures from rotating equipment such as motors, turbines, or compressors often carry early indicators of mechanical failure. However, these signals ar..

Machine-Learning Signal Processing on FlexRIO + Python: Real-World Examples Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Why Combine FlexRIO with Python for ML? NI FlexRIO hardware enables real-time data acquisition at high bandwidths, while Python provides a robust ecosystem for signal analysis and machine learning...

Versioning Test-Equipment Configurations with GitLab CI Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Why Version-Control Test Configurations? Modern test systems involve more than just instruments. They include drivers, measurement scripts, calibration files, firmware versions, and DAQ setups. Without versioning, tea..

Source-Measure Unit vs. Programmable Power Supply: When Does Each Win? Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction In the world of electronics testing, both the Source-Measure Unit (SMU) and the programmable power supply are powerful tools — but their functions differ in important ways. This article compa..

Selecting a Digital Oscilloscope for R&D Labs: From Bandwidth to Probe Options Introduction Choosing the right digital oscilloscope is essential for any R&D lab involved in high-speed signal acquisition, embedded system design, or mixed-signal analysis. With so many models offering various bandwidths, sample rates, and trigger options, under..

Embedded vs. Stand-Alone PXI Controllers for Automated Test Systems Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction Choosing between an embedded PXI controller and a stand-alone PXI controller is critical when designing modular test systems. These controllers serve as the brain of the system, managing communi..