Small size rectifier, 220/9 volts 70 milliamps. Scheme, description

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ENCYCLOPEDIA OF RADIO ELECTRONICS AND ELECTRICAL ENGINEERING
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Small size rectifier, 220/9 volts 70 milliamps. Encyclopedia of radio electronics and electrical engineering

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Encyclopedia of radio electronics and electrical engineering / Voltage converters, rectifiers, inverters

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A small-sized rectifier is designed to power a transistor receiver.

Small size rectifier, 220/9 volts 70 milliamps

The main parameters:

Load current, mA.......70
Output voltage, V....... 9
Stabilization factor......100
Ripple voltage, mV ....... 5

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Platform MediaTek LinkIt Smart 7688 01.12.2015

MediaTek Labs has unveiled the MediaTek LinkIt Smart 7688 Developer Platform, the latest addition to the LinkIt Developer Platform series.

The new platform provides developers with rich programming options and allows them to quickly build modern devices with Wi-Fi modules and access to cloud services such as IP cameras, surveillance systems, smart home appliances and Wi-Fi gateways.

Two hardware development kits (HDKs) will go on sale: LinkIt Smart 7688 with MediaTek MT7688AN chipset and LinkIt Smart 7688 Duo, additionally equipped with an Arduino-compatible microcontroller. Both breadboards are equipped with a built-in Wi-Fi modem, 128MB RAM and 32MB ROM modules, and a wide range of options for connecting peripherals.

"Encouraging innovation in the IoT is one of the priorities of MediaTek Labs. Today's addition to the LinkIt family of products is created specifically for the numerous developer communities working with open-source platforms with integration into cloud services. We believe that our new products will contribute to the implementation of the most daring ideas of developers and will make our world even more united in the context of global communications,” commented Mark Neidell, vice president of MediaTek Labs, commenting on the announcement. popular programming languages and compatibility with Linux".

Three developer communities will immediately find clear benefits in using the LinkIt Smart 7688 development board:

1. OpenWrt developers will be able to use the OpenWrt SDK to create applications in C language for their IoT devices, as well as use more than 2000 ready-made software modules to implement additional functionality.
2. Developers of applications for mobile platforms and the web, thanks to the support of Node.js and Python, will be able to easily integrate their developments into the IoT environment.
3. Arduino developers can use the Arduino IDE to develop applications for the built-in microcontroller in the LinkIt Smart 7688 Duo and control peripherals in real time.

The MediaTek LinkIt Smart 7688 and 7688 Duo development boards will be available worldwide through Seeed Studio channels starting December 1, 2015. The LinkIt Smart 7688 is $12,9 and the LinkIt Smart 7688 Duo is $15,9. An open-source version of the Wi-Fi driver is under development and will be available on the MediaTek Labs website in a few months.

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