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Practical insight for test and measurement teams.

Product guidance, platform comparisons, and application notes for engineers and technical buyers.

October 25, 2025

Fan Inspection and Replacement in PXI Chassis: A Hands-On Guide

Fan Inspection and Replacement in PXI Chassis: A Hands-On Guide Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Why Cooling Matters in PXI Systems PXI and PXIe chassis are workhorses in automated test environments. Inside these compact enclosures, high-performance modules like SMUs, digitizers, and FPGA-based FlexRIO boards generate significant heat. Without proper airflow, […]

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October 25, 2025

Extending the Life of Programmable Power Supplies: Input Filtering Tips

Extending the Life of Programmable Power Supplies: Input Filtering Tips Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Why Input Filtering Matters Programmable power supplies are essential in automated test systems, R&D labs, and production lines. But their performance and longevity depend heavily on the quality of their power input. Unfiltered or unstable […]

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October 25, 2025

Optical Table Maintenance: Vibration Damping and Regular Service

Optical Table Maintenance: Vibration Damping and Regular Service Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Why Optical Table Maintenance Matters Optical tables are the foundation of precision experiments in laser optics, interferometry, and photonic instrumentation. Without regular service and damping optimization, even small vibrations can degrade performance, especially in nanometer-scale alignment tasks. […]

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October 25, 2025

Recommended Calibration Intervals for 12 Instrument Types

Recommended Calibration Intervals for 12 Instrument Types Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Why Calibration Matters Calibration ensures that measurement instruments continue to operate within their specified accuracy. Over time, environmental exposure, mechanical wear, and internal component aging lead to accuracy drift. Without periodic calibration, test results can become unreliable — […]

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October 25, 2025

Updating NI Controller Firmware—What Can Go Wrong

Updating NI Controller Firmware—What Can Go Wrong Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Why Firmware Updates Are Necessary NI (National Instruments) firmware updates often contain critical bug fixes, security patches, and performance improvements for embedded systems such as PXIe controllers, CompactRIO targets, and Single-Board RIO devices. Updating firmware helps resolve compatibility […]

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October 25, 2025

PXI Modules and Thermal Cycling: Preventing Solder-Joint Failures

PXI Modules and Thermal Cycling: Preventing Solder-Joint Failures Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction In automated test environments, PXI systems often operate 24/7 and experience frequent power cycles, heating from dense chassis, and environmental exposure. Over time, repeated thermal cycling can lead to mechanical stress on components — especially on […]

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October 25, 2025

DIY Oscilloscope Verification: Steps, Tools, Acceptable Tolerances

DIY Oscilloscope Verification: Steps, Tools, Acceptable Tolerances Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Why Verify Your Oscilloscope? Oscilloscopes are critical instruments for debugging analog and digital signals. Over time, component aging, temperature variation, or accidental overloads can affect their accuracy. While full calibration requires certified equipment, you can still conduct DIY […]

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October 25, 2025

Why Annual SMU Calibration Is Critical for Accurate IV Curves

Why Annual SMU Calibration Is Critical for Accurate IV Curves Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction In semiconductor characterization, photovoltaic research, and precision electronics testing, IV curve accuracy can make or break your analysis. The cornerstone of these measurements is the Source-Measure Unit (SMU)—a precision instrument that simultaneously sources and […]

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October 25, 2025

LIN/CAN Bus Interfaces in Automotive ECU Testing

LIN/CAN Bus Interfaces in Automotive ECU Testing Published by: Sohoprolab Editorial Team | Date: July 8, 2025 Introduction As automotive electronic control units (ECUs) become increasingly complex, ensuring their reliability requires rigorous validation across communication protocols. Two of the most widely adopted standards for in-vehicle networks are Controller Area Network (CAN) and Local Interconnect Network […]

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