Arnab Mitra

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The 2×2 wireless LAN (WLAN) + Bluetooth (BT) combo chip continues to be the most versatile product category in the wireless connectivity space. It finds usage in a wide range of applications, such as laptops, tablets, high-end smartphones, gaming consoles, set-top boxes, wireless routers and in-car/personal hot-spot devices. Digital-intensive SoCs(More)
This paper presents a fully integrated GPS receiver with 2.4 dB NF, 1.2mm<sup>2</sup> area, and 13 mA of current in 55 nm CMOS. NF degrades by only 0.1/0.5/0.1 dB in the presence of GSM, DCS, and WiFi blockers respectively. By using current mode operation, push-pull topology, current reuse techniques, and modular Gm-TIA stages, area is about half and power(More)
Integration of digital RF transmitters and digital power amplifiers (DPA) is becoming of great interest for systems-on-chip (SoCs) available in nanometer technologies [1]. Small and high-speed switching devices directly benefit switching power amplifiers in achieving peak power with high peak efficiency. However PA back-off efficiency remains a big(More)
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