An example of an implementation with a dedicated Global Positioning System (GPS) antenna and Low-Noise Amplifier (LNA) module is shown in Dedicated GPS antenna and LNA module.
Figure 1. Dedicated GPS antenna and LNA module
| Reference | Description |
|---|---|
| L1 | Antenna matching |
| L2 | Antenna matching |
| L3 | Antenna matching |
| L4 | 9.1 nH, LNA input matching inductor |
| C1 | 100 nF, LNA power supply filtering capacitor |
| C2 | 100 pF, LNA power supply filtering capacitor |
| C3 | 100 nF, LNA enable filtering capacitor |
| C4 | LNA enable filtering capacitor |
| R1 | 1 MΩ, pull-down resistor |
| U3 | Global Navigation Satellite System (GNSS) front-end module |
| A2 | ACAG0301-1575-T ceramic chip antenna |
The following components are highlighted in Layout with dedicated GPS antenna and LNA module:
Figure 2. Layout with dedicated GPS antenna and LNA module
