MLX71121_15 Datasheet, PDF (25/29 Pages) Melexis Microelectronic Systems – FSK/OOK Receiver

5 Test Circuit
5.1 Antenna Diversity Application Circuit
MLX71121
300 to 930MHz
FSK/OOK Receiver
L1
L2
CB3 _C4
L3
FSK
ASK
VCC
output
XTAL
C3 _{1 LNAI1}
CX
RSSI 24
RSSI
CRS
2 VEE
C5 ^{3 LNAO1}
4 MIXP
5 MIXN
C6 _{6 LNAO2}
MLX71121
32L QFN 5x5
CINT 23
VCC 22
CF3
PDN 21
PDP 20
SLC 19
CP2
CP1
CB2
7 VEE
DFO 18
C9 ^{8 LNAI2}
DF1 17
9 10 11 12 13 14 15 16
CB1
CF2
FSK
ASK
CF1
CB0
Fig. 11: Antenna diversity circuit schematic, peak detectors activated
39010 71121
Rev. 012
Page 25 of 29
Data Sheet
Mar/15