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China is the largest producer of solar energy

12.04.2017

Of the top 77,42 photovoltaic panel manufacturers in the world, two are in the US, one is in Canada, and the rest are in China. In the top five, there are four Chinese and one Canadian (Canadian Solar) companies, and even that was founded by a Canadian researcher of Chinese origin, Shawn Qu. Not surprisingly, China doubled the number of installed solar energy sources last year and came out on top in the world with a total of XNUMX GW.

Despite the impressive numbers, solar energy still accounts for only one percent of China's total electricity generation. However, the situation may soon change. According to the National Energy Administration of China, the country intends to add another 110 GW of solar power in the next three years, and to increase the proportion of renewable energy in total production to 2030% by 20 (currently 11%). This will be facilitated by the clean energy investment program announced at the beginning of the year by the National Energy Administration, according to which the country will invest about $364 billion in alternative energy (renewable energy sources), which will create 13 million jobs.

The Chinese example may have a positive impact on other countries. For example, the Irish Parliament at the end of January voted for a bill prohibiting the State Strategic Investment Fund of Ireland from investing in enterprises and companies in the oil, gas and coal industries. And on May 15 last year in Germany, renewable energy produced almost all the energy needed, which amounted to 45,5 GW of the 45,8 GW consumed that day. Prices for electricity during this day fell to negative values and reached minus 50 euros per megawatt.

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802.11ac Ecosystem Announced 07.03.2012

The increase in the number of mobile devices with a network connection and the growth in the popularity of multimedia applications are driving the need to move to Wi-Fi networks with increased bandwidth. Qualcomm Atheros decided to contribute to this by announcing the launch of the 802.11ac Wi-Fi ecosystem. Qualcomm's 802.11ac product portfolio targets mobile, home and office networks, smartphones, tablets, desktops, laptops, TVs, routers, gateways and access points. According to Qualcomm, the availability of a comprehensive set of solutions should help accelerate the adoption of the 802.11ac standard, which describes Wi-Fi networks with gigabit transmission speeds.

A key element of the ecosystem is the WCN3680 chip, which implements the functionality of 1x1 802.11ac Wi-Fi, Bluetooth and FM. It complements the 28nm Snapdragon family of processors and will be paired with Snapdragon S4 MSM8960 dual-core Krait and S4 APQ8064 quad-core Krait processors. The application area of WCN3680 is mobile devices such as tablets and smartphones, so it combines high bandwidth with low power consumption. It is rated up to 433Mbps and pin-level compatible with Qualcomm's Atheros WCN3660 802.11n chip, which should make it easier for developers and manufacturers to migrate to 802.11ac.

For computers, in addition to the WCN3680, solutions are designed to support two (QCA9862) and three (QCA9860) transmission streams, which allows you to get speeds up to 1,3 Gb / s. They will find application in tablets and laptops.

The QCA9860 and QCA9862 also target consumer electronics applications, including TVs and game consoles. They comply with 802.11ac/a/b/g/n and Bluetooth 4.0/LE specifications. Both autonomous operation and work in tandem with Qualcomm processors and other processors are provided. Models QCA9880 3x3 and QCA9882 2x2 are designed for use in home network equipment, and corporate equipment is supposed to be built on models QCA9890 3x3 and QCA9892 2x2.

Qualcomm Atheros promises to start deliveries of trial samples of all listed chips in the second quarter of 2012.

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