MLX71120 Datasheet, PDF (25/30 Pages) Melexis Microelectronic Systems – 300 to 930MHz FSK/FM/ASK Receiver

5 Test Circuits
5.1 Dual-Channel Application Circuit
• for antenna-diversity applications
• for frequency-diversity applications
MLX71120
300 to 930MHz
FSK/FM/ASK Receiver
FSK
ASK
VCC
output
XTAL
L1
C3 _{1 LNAI1}
CX
RSSI 24
RSSI
CRS
L2
2 VEE
CINT 23
CF3
PRELIMINARY CB3
C4
L3
C5 ^{3 LNAO1}
4 MIXP
5 MIXN
C6 _{6 LNAO2}
MLX71120
32L QFN 5x5
VCC 22
PDN 21
PDP 20
SLC 19
CP2
CP1
7 VEE
DFO 18
C9 ^{8 LNAI2}
DF1 17
9 10 11 12 13 14 15 16
CB1
CF2
FSK
ASK
CF1
CB2
CB0
Fig. 11: Dual-channel circuit schematic, peak detectors activated
39010 71120
Rev. 005
Page 25 of 30
Data Sheet
Feb/08