Electromagnetic near-field PCB Probes are open source
Test EquipmentTop Stories

Electromagnetic near-field PCB Probes are open source

In modern compact electronic circuits, there are several components on a confined PCB area, and so, the electromagnetic effects induced from one component may affect the surrounding components. This disturbance is known as Electromagnetic Interference (EMI). The source of the radiation...

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Coilcraft Releases Power Line EMI Chokes in 16 Sizes/Configurations
Parts

Coilcraft Releases Power Line EMI Chokes in 16 Sizes/Configurations

Coilcraft offers the Cx family of surface mount, common mode EMI chokes. There are 16 sizes and configurations to meet the design needs of a broad range of power line circuits, says the company. They suppress high frequency common mode noise up to 100MHz and offer greater than 40dB...

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Isolated Power Supply for RS485, RS422, RS232, SPI, I2C and Power LAN
Power supply

Isolated Power Supply for RS485, RS422, RS232, SPI, I2C and Power LAN

Mini Isolated Power Supply is designed for CAN, RS-485, RS-422, RS-232, SPI, I2C, Low-Power LAN applications. The power supply provides +/- 5.50 V DC symmetrical outputs with load current 500mA from 5V DC input. The project is built using SN6505A IC from Texas instruments. The SN6505A...

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The behavior of electro-magnetic radiation of power inductors in power management
Power

The behavior of electro-magnetic radiation of power inductors in power management

Application note form Würth Elektronik about EM radiation radiated from inductors in DC-DC converters. This Application Note focuses on the Electro-Magnetic (EM) radiation behavior of power inductor(s) in DC-DC converters, which is dependent on several parameters such as ripple...

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Radioactivity detection using very simple ionization chamber
Test/Measurements

Radioactivity detection using very simple ionization chamber

Robert Gawron tipped us with his latest build. He writes: Today I will show a very simple ionization chamber that can detect radioactivity. I was able to detect with it ionizing radiation from a smoke detector (Am241 isotope). It’s also immune to electromagnetic interference (EMI)...

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