Title :
A low-power, low-cost bipolar GPS receiver chip
Author :
Murphy, Anna M. ; Tsutsumi, Shinichi ; Gaussen, Peter
Author_Institution :
Design Centre, Sony Semicond. Eur., Basingstoke, UK
fDate :
4/1/1997 12:00:00 AM
Abstract :
A low-power, low-cost, integrated global positioning by satellite (GPS) receiver is described. It operates from a single 2.7-5.5 V supply with a nominal current consumption of only 27 mA. Furthermore, there is no need for expensive external surface acoustic wave (SAW) filters or a radio frequency voltage-controlled oscillator (VCO) module; only a low frequency reference clock (temperature compensated crystal oscillator (TCXO) or crystal), varactor diodes and standard passive elements are necessary for full operation. The chip is compatible with baseband chips requiring 1 fo (1.023 MHz) and 4 fo signal frequencies. The device has been integrated using a 15-GHz silicon bipolar technology
Keywords :
Global Positioning System; UHF integrated circuits; UHF mixers; UHF oscillators; bipolar analogue integrated circuits; integrated circuit design; intermediate-frequency amplifiers; radio receivers; varactors; 1.023 MHz; 15 GHz; 2.7 to 5.5 V; 27 mA; analogue ICs; baseband chips; bipolar GPS receiver chip; current consumption; low frequency reference clock; passive elements; varactor diodes; Acoustic waves; Clocks; Global Positioning System; Passive filters; Radio frequency; Receivers; Satellite broadcasting; Surface acoustic waves; Temperature; Voltage-controlled oscillators;
Journal_Title :
Solid-State Circuits, IEEE Journal of
