adapter

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MCP Scrubber Monitoring

1 Introduction The scrubber is a device that bombards microchannel plates (MCP’s) with electrons, thus“scrubbing” them. This is done both to stabilize the gain of the MCPs and to, as the namewould suggest, clean them of any residue. As detailed by Tyler Lutz in his collection ofdesign documents1, a mercury vapor bulb and a nichrome …

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AN-ECHO-DOT-FOR-THE-1980S

AN ECHO DOT FOR THE 1980S

There’s so much obsolete technology out there with great design. It’s really sad to see it end up in the landfill, because even though the insides may be outdated, good design is forever. Take this 1980s Panasonic answering machine, for instance. The smoky plastic of the cassette lid is the perfect screen for Dot, because it …

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5W-USB-TYPE-C-POWER-DELIVERY-3.0-ADAPTER-REFERENCE-DESIGN

5W USB TYPE-C POWER DELIVERY 3.0 ADAPTER REFERENCE DESIGN

The EVLSTCH03-45WPD 45W USB Type-C® Power Delivery 3.0 adapter from STMicroelectronics is a USB-IF certified solution and reference design. The EVLSTCH03-45WPD is an isolated ac-dc power supply with a standalone USB PD controller. The board implements at the primary side a quasi-resonant flyback converter based on the STCH03 controller with optocoupler feedback for voltage regulation. This controller combines a high-performance low-voltage …

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300W GAN-BASED ULTRA-HIGH POWER DENSITY AC-DC ADAPTER REFERENCE DESIGN

300W GAN-BASED ULTRA-HIGH POWER DENSITY AC-DC ADAPTER REFERENCE DESIGN

GaN Systems and ON Semiconductor announced the availability of the NCP13992UHD300WGEVB, the world’s highest power density 300W ac-dc adapter reference design using GaN Systems’ 650V, 15A gallium-nitride (GaN) E-HEMTs and multiple ON Semiconductor controller and driver ICs, including the NCP51820, NCP13992, NCP1616, and NCP4306. This complete system reference design is a highly versatile and low cost, allowing designers to …

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USB-PD STAND-ALONE ADAPTER BOARD FROM OXPLOT

USB-PD STAND-ALONE ADAPTER BOARD FROM OXPLOT

Modern devices are quickly switching to USB-C power adapters, gradually fading out USB-A, and USB-B adapters. USB’s Power Delivery (USB-PD) protocol enables the supplies to be  flexible enough to handle charging (or powering) devices ranging from mobile phones to laptops. There are many high quality 90-100 Watt USB-C power adapters available. But unfortunately, there are many devices that …

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