Incandescent light exits the US market

On January 1 this year, the best-selling 40-watt and 60-watt incandescent lamps in the US market stopped selling. At the same time, in Asia, South Korea, Thailand, and the Philippines have also taken measures to promote the use of energy-saving light bulbs instead of incandescent light bulbs. As co-----!

Wireless terminal baseband chip for 2G/3G/4G

The development of mobile communication systems for decades has been a technical update for the pursuit of higher spectral efficiency, from GMSK in the 2G era to CDMA in the 3G era to OFDM in the 4G era. At the same time, the design technology and production technology of larg-----!