3G CMOS power amplifier family enables drop-in replacement for GaAs chips
February 23, 2012 // Jean-Pierre Joosting
Black Sand Technologies has extended its established BST34 series of CMOS power amplifiers (PAs) with two devices that complete its range of products for use in every common global cellular frequency band. The latest BST3405 and BST3408, for use in Band-5 (824-849MHz) and Band-8 (880-915MHz) respectively, are drop-in replacements for the gallium-arsenide (GaAs) components traditionally found in every 3G mobile phone, tablet and datacard.
Black Sand manufactures the BST34 series using an industry-standard CMOS semiconductor process – the same technology that is used to produce the majority of silicon chips in the world today. By replacing specialized ‘boutique’ GaAs process technology, customers can benefit from lower costs, enhanced product robustness and reliability, and an improved supply chain.
The company says the BST34 series is already shipping into multiple design wins with multiple customers.
Chris Taylor, who earlier this month published data on the cellular PA market for analyst firm Strategy Analytics, said: "Last year the cellular PA market grew 19 per cent to $3.3 billion and, as the non-handset market grows, we predict it will increase to $4 billion by 2016."
The BST34 series devices deliver up to 28 dBm of linear power and are packaged in a 3- x 3-mm 10-pin form factor. The products include an integrated directional coupler with daisy-chain support, integrated overvoltage and over-temperature protection circuitry. Black Sand also offers the BST35 series, premium range products that include the company’s TrueDelivered™ power detection technology, which allows mobile phones to produce up to 2 dB higher Total Radiated Power than is possible using GaAs power amplifiers.
The BST3401/2/4 are available and shipping now. The BST3405/8 will ship in Q2 2012.
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Internet of Things (IoT) manufacturer Ciseco has launched the Raspberry Pi ‘Wireless Inventors Kit’ (RasWIK), featuring 88 pieces to provide everything a Pi owner needs to follow a series of step-by-step projects or to create their own wireless devices, without the need for configuration or even writing code.
RasWIK has been designed to be highly accessible, demystifying the dark art of wireless and enabling anyone with basic computing skills to begin building wireless devices with a Raspberry Pi. You can create anything from a simple traffic light, to a battery monitor, or even a temperature gauge that sends data to the Xively IoT cloud so billions can access the data.This month, Ciseco is giving away twelve Raspberry Pi Wireless Inventors kits, worth £49.99 each for EETimes Europe's readers to win.
And the winners are...
In our previous reader offer, Farsens was giving away five kits for EEtimes Europe readers to evaluate its FenixVortex, Kineo and X1 wireless, battery free sensor tags.
Lucky winners include Mr A. Neil from the UK, Mr. E. Delvaux from Belgium, Mr Lengal from the Czech Republic, Mr H. Bijlsma from the Netherlands, and Mr G. Pfaff from Germany. All should be receiving their packages soon. Lets wish them some interesting findings with their projects.
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