LEA-6 / NEO-6 / MAX-6 - Hardware Integration Manual
UBX-14054794
Production Information
Design-in
Page 26 of 85
2.2.2.4
Passive Antenna
The bandwidth of a ceramic patch antenna narrows with size (see Table 7).
size
Typical bandwidth
36*36*4 mm
40 MHz
25*25*4 mm
20 MHz
18*18*4 mm
10 MHz
15*15*4 mm
8 MHz
12*12*4 mm
7 MHz
10*10*4 mm
5 MHz
Table 7: Typical bandwidths for GPS patch antennas
Figure 18 shows a 12*12*4 mm patch antenna with 20*20 mm ground plane, tuned to GPS. This patch
bandwidth is so narrow that it cannot be simultaneously matched to GPS and GLONASS.
Figure 18: 12*12*4 patch antenna on 20*20 mm GND plane
Figure 19 shows a 25*25*4 mm patch antenna with 60*60 mm ground plane. Due to the larger bandwidth, it
can be matched to GPS and GLONASS.
Figure 19: 25*25*4 mm patch antenna on 60*60 mm GND plane
