Apple will be the first to use Gigabit Wi-Fi wireless with IEEE802.11ac standard

According to the AppleInsider website, Apple is expected to be the first to use Gigabit Wi-Fi wireless, which is the IEEE802.11ac standard, which can be up to three times faster than the current 802.11n AirPort base station, and supports various computers, TVs and mobile devices.

IEEE802.11ac works on the 5GHz spectrum and is called "Gigabit Wireless". Because it has 80-160MHz channels, up to 8 antennas and the latest modulation technology, it can bring faster speed and greater Coverage. The new Wi-Fi wireless chip has been successfully developed by Broadcom.

Apple started supporting the 802.11n standard in early 2007. For members of the Wi-Fi Alliance, Apple has been quite aggressive in adapting to new products.

Fast Recovery Diode (FRD) is a kind of semiconductor diode with good switching characteristics and short reverse recovery time. It is mainly used in electronic circuits such as switching power supply, PWM pulse width modulator and inverter, as high frequency Rectifier Diode. Use for freewheeling diodes or damper diodes. The internal structure of the fast recovery diode is different from that of a normal PN junction diode. It belongs to a PIN junction diode, which adds a base region I between the P-type silicon material and the N-type silicon material to form a PIN silicon wafer. Since the base region is thin and the reverse recovery charge is small, the reverse recovery diode has a short reverse recovery time, a low forward voltage drop, and a high reverse breakdown voltage (withstand voltage value).

Fast Diode

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