NEO-5
-
Hardware
Integration
Manual
Preliminary
Design-In
GPS.G5-MS5-08003-A2
u-blox
proprietary
Page 21
your position is our focus
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Non 'emitting'
circuits
PCB
Digital & Analog circuits
Non
'emitting'
circuits
An
te
n
na
Digital Part
RF Part
RF & heat
'emitting'
circuits
PCB
Digital & Analog circuits
RF& heat
'emitting'
circuits
An
tenna
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Digital Part
RF Part
Figure 10: Placement
2.7.4 Antenna
Connection
and Grounding Plane Design
u-blox
5
modules
can
be
connected
to
passive
patch
or
active
antennas.
The
RF
connection
is
on
the
PCB
and
connects
the
RF_IN
pin
with
the
antenna
feed
point
or
the
signal
pin
of
the
connector,
respectively.
illustrates
connection
to
a
typical
five-pin
RF
connector.
One
can
see
the
improved
shielding
for
digital
lines
as
discussed
in
Appendix
Depending
on
the
actual
size
of
the
ground
area,
additional
vias
should
be
placed
in
the
outer
region.
In
particular,
the
edges
of
the
ground
area
should
be
terminated
with
a
dense
line
of
vias.
