NXP Semiconductors MKW01Z128, Reference Manual

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System Considerations
MKW01xxRM Reference Manual, Rev. 3, 04/2016
4-18 Freescale Semiconductor, Inc.
Figure 4-7. General RF Filter/Matching Network Topology
NOTE
These component values are given only as suggested initial design values.
The user must evaluate his particular design and adjust/change components
as required to meet targeted specifications.
Table 4-5. RF Component Values vs. Frequency Band
Component
Designation
434 or 490 MHz 868 MHz or 915 MHz
Dual Port
TX
Single Port
TX/RX
Dual Port
TX
Single Port
TX/RX
L1 22 nH 33 nH 33 nH 33 nH
L2 Short Short 2 nH 4.7 nH
L3 12 nH 12 nH 5.6 nH 6.8 nH
L4 12 nH 10 nH 5.6 nH 6.8 nH
C2 10 pF 10 pF 47 pF 6.8 pF
C3 2.4 pF 2.4 pF dnp or open dnp or open
C4 dnp dnp dnp or open dnp or open
C5 15 pF 15 pF 6.8 pF 2 pF
C6 15 pF 15 pF 6.8 pF 7.5 pF
C7 8.2 pF 8.2 pF 3.3 pF 5.6 pF
ANT_RF
VR_PA
DEVICE_RF
AC Blocking Network
C1 C1
L1 L1
L3 L3
C6 C6 C7 C7
C2 C2
C4 C4
C5 C5
L4 L4
L2 L2
C3 C3