Flexible antenna connections mark GPS receiver IC

October 02, 2013 // By Julien Happich
SkyTraq Technology’s highly-integrated Venus816 single-chip GPS receiver is capable of supporting dual passive antenna and active antenna inputs, automatic switching from passive antenna to active antenna, and active antenna short circuit protection without needing extra external components.

The Venus816 includes two RF inputs with integrated antenna switching and external active-antenna current detection. A high-linearity on-chip 20 dB gain, 0.9 dB noise figure LNA is used with one of the inputs, offering cascaded system noise figure of 1.2 dB, allowing Venus816 to be used with passive antennae without the need for additional external LNA device.

The Venus816 works with GPS, QZSS, and SBAS signals, features 40 Hz update rate, 29 sec cold start TTFF, -148 dBm cold start sensitivity, -165 dBm tracking sensitivity, multipath suppression, jamming mitigation and reporting. It is comes in a 5 x 5mm QFN40 package. A minimum of 6 external components is needed to form a working GPS receiver.

SkyTraq;  www.skytraq.com.tw