台湾的IC厂商晨星半导体推出大小只有12*12mm大小的全硬GPS模块。
这个GPS模块采用了MSTAR自己研发的MSB2122-LF高性能定位芯片。主要性能参数如下
GPS L1 C/A CODE
-159dBm in tracking -144dBm in acquisition
RF receiver of noise figure at 2.5dB
hot-start TTFF in 1s
warm-start TTFF in 32s
cold-start TTFF in 34s
48 acquisition 12 tracking channels
DGPS SBAS capable
TCXO & RTC integrated
integrate a 512KB NOR flash memory
power consumption be 30-33mA