An Inductorless Power-Optimized Dual-Mode LNTA in a GNSS Receiver for Portable Devices

Conference paper (2019)

Authors

Hui Wen Hung Eindhoven University of Technology
Peter Baltus Eindhoven University of Technology
H. Gao Electronics - EEMCS , Eindhoven University of Technology
Kave Kianush Catena
Research Group
Electronics (EEMCS) (TU Delft)
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Published Date

2019

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Microelectronics

Research Group

Electronics

Abstract

There is a great increasing demand to embed GNSS receivers on portable devices, because they can provide much higher positioning accuracy and better availability compared with GPS-only receivers. However, portable devices have strong limitations on power consumption and area. In order to realize a low power and compact GNSS receiver, this paper presents both system level and circuit level solutions. In the system level, a two-state GNSS receiver architecture is introduced with acquisition phase and tracking phase to optimize the power consumption. In the circuit level, a dual-mode inductorless LNTA with adaptive bias and with an active inductor for gain boosting is proposed. This LNTA is designed and layout in a 40nm CMOS technology.

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