Rf Routing Guidelines - Quectel EG060K Series Hardware Design

NOTE
1. An external LDO can be used to supply power according to the active antenna requirements.
2. The VDD circuit is unnecessary if the module is equipped with a passive antenna.

5.3. RF Routing Guidelines

For user's PCB, the characteristic impedance of all RF traces should be 50 Ω. The impedance of the RF
traces is usually determined by the trace width (W), the materials' dielectric constant,
reference ground to the signal layer (H),
or coplanar waveguide is typically used in RF layout to control characteristic impedance. The following
are reference designs of microstrip or coplanar waveguide with different PCB structures.
EG060K &EG120K _Series_Hardware_Design
103
and the space between RF traces and grounds
Figure 33: Microstrip Design on a 2-layer PCB
Figure 34: Coplanar Waveguide Design on a 2-layer PCB
LTE-A Module Series
height from the
(S). Microstrip
71 /