Spectrum, Multispectral and Hyperspectral Imaging
Overview of spectral analysis, multispectral and hyperspectral imaging methods, data, acquisition, and applications in material discrimination and inspection.
In the realm of electronics and PCB design, accurate measurement and testing form the backbone of reliable innovation and troubleshooting. Our Measurement & Test Instruments category delves into the essential tools that engineers, hobbyists, and professionals rely on to ensure precision and performance in their projects. From multimeters and oscilloscopes to spectrum analyzers and logic probes, these instruments enable users to quantify electrical parameters, diagnose faults, and validate circuit behavior with confidence. This category covers a wide array of resources designed to empower readers at every level. You'll find in-depth guides on selecting the right equipment for specific applications, such as high-frequency signal analysis or low-noise voltage measurements. Tutorials walk through practical setups, including how to calibrate devices for optimal accuracy and integrate them into automated testing workflows. Insights from industry experts highlight emerging trends, like the role of digital oscilloscopes in IoT development or the use of thermal imaging cameras for PCB thermal profiling. Best practices emphasize safety protocols, error minimization, and efficient data interpretation, helping you avoid common pitfalls in real-world scenarios. The practical value of these instruments extends across diverse fields, from prototyping consumer electronics to quality assurance in aerospace manufacturing. By mastering their use, you can accelerate design cycles, reduce costly rework, and achieve compliance with standards like IPC or ISO. Articles in this category address technical relevance through case studies, such as troubleshooting power supply issues in embedded systems or evaluating signal integrity in high-speed PCBs. As you navigate these topics, the knowledge gained will equip you to tackle complex challenges and innovate effectively in electronics.
Overview of spectral analysis, multispectral and hyperspectral imaging methods, data, acquisition, and applications in material discrimination and inspection.
Metamaterial-based infrared and radar-compatible stealth review covering photonic crystals, absorbers, coding metasurfaces, fabrication challenges and tunable multispectral strategies.
Infrared thermography for underfloor heating diagnostics: non-contact detection of leaks, cable overheating, pipe scaling and uneven floor temperature to guide repairs.
Practical methods to measure output voltage ripple in DC-DC converters and LDOs, comparing traditional long-loop and tip-and-barrel techniques with bandwidth tips.
Technical guidelines for industrial instrument selection focusing on flowmeter performance, accuracy, materials, installation, and criteria for temperature, pressure, and level.
Practical guide to 4-20 mA loop operation and troubleshooting: components, transmitters, common faults, diagnostic tests, and recommended tools.
Specification and system design for an 8-channel temperature controller using K thermocouples, PID control and TP1000 recorder for oven bonding process monitoring.
Technical overview of coordinate measuring machines (CMMs), detailing CONTURA G2 RDS hardware, Calypso offline programming, and flatness measurement workflow and reporting.
CVD-grown HfS2/MoS2 van der Waals heterojunction enabling interlayer exciton infrared photodetectors, with high responsivity, detectivity and microsecond response.
Describes WFST prime-focus camera development, focal-plane tiling and cryogenic non-contact flatness measurement using differential laser triangulation and DTS instrument.
Measure and diagnose a planar waveguide delay line using OFDR-based OCI: determine 3.073 m length, ~3.3 dB/m loss, and localized return loss at sub-mm resolution.