Quantance Inc., manufacturer of ultra-fast 4G envelope tracking (ET) power supplies, has delivered product samples of its third-gen chip, the Q845 ET power supply, to several players in the LTE supply chain, including baseband/transceiver chipset providers and handset OEMs. The Q845 features Quantance’s patented qBoost ET technology, a boosting ET architecture that enables power amplifier (PA) efficiency to reach theoretical limits, and at the same time, increases PA transmit power. The Q845 supports ET operation for as much as 20 MHz LTE, providing the response time equivalent of a 400 MHz switcher for ET systems…Silicon Laboratories Inc. unveiled the new Si21x8 family of TV tuner technology, including five TV tuner devices optimized for hybrid analog/digital iDTVs, analog-only or digital-only TVs, portable TVs, DVD and Blu-ray recorders, and terrestrial and set-top boxes. Samples and production quantities of the Si2178/58/48/38/28 TV tuners are available now…Intrado Inc.’s Emergency Assist solution enables a wireless carrier to locate a mobile device even when it is not in use by the subscriber. In a circumstance where a person with a mobile phone needs to be located quickly, their carrier inputs a phone number into the automated Emergency Assist tool. The tool then generates the latitude and longitude and a map of the phone’s location. The solution follows the subpoena process and only provides such service at the request of law enforcement officials.