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20. Input / Output Matching
A
few
passive
external
combined with the internal T/R switch
circuitry ensures match in both RX and TX
mode. The matching network is shown in
Figure 20.
TO ANTENNA
TO ANTENNA
TO ANTENNA
TO ANTENNA
components
C31
C31
C31
C31
C42
C42
C42
C42
C41
C41
C41
C41
L41
L41
L41
L41
AVDD=3V
AVDD=3V
AVDD=3V
AVDD=3V
Figure 20. Input/output matching network
SWRS048A
Component values for various frequencies
are given in Table 1. Component values
for other frequencies can be found using
the configuration software.
RF_IN
RF_IN
RF_IN
RF_IN
RF_OUT
RF_OUT
RF_OUT
RF_OUT
L32
L32
L32
L32
CC1000
CC1000
CC1000
CC1000
CC1000
Page 31 of 55
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