MLX71120_12 Datasheet, PDF (26/31 Pages) Melexis Microelectronic Systems – FSK/FM/ASK Receiver

5 Test Circuit
5.1 Dual-Channel Application Circuit
• for antenna-diversity applications
MLX71120
300 to 930MHz
FSK/FM/ASK Receiver
FSK
ASK
VCC
output
L1
L2
CB3
C4
L3
XTAL
C3 _{1 LNAI1}
CX
RSSI 24
RSSI
CRS
2 VEE
C5 ^{3 LNAO1}
4 MIXP
5 MIXN
C6 _{6 LNAO2}
MLX71120
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
CIF _FSK
ASK
CERFIL
CF1
CB0
Fig. 10: Dual-channel circuit schematic, peak detectors activated
39010 71120
Rev. 008
Page 26 of 31
Data Sheet
Jun/12