EVB71121 Datasheet, PDF (9/18 Pages) Melexis Microelectronic Systems – 300 to 930MHz Receiver Evaluation Board Description

EVB71121
300 to 930MHz Receiver
Evaluation Board Description
3 Dual-Channel Application Circuits for FSK & ASK Reception
3.1 Peak Detector Data Slicer
jumpers
LNA1 LNA2
ENRX DTAO CLKO ROI RSSI
12 3
12 3
VCC
RFSEL
12 34 56 78
CRO
XTAL
CX
0 Ω jumper pads
L1
C3
1 LNAI1
RSSI 24
CRS
PRELIMINARY ^L2
2 VEE
VCC
C4
C5 ^{3 LNAO1}
4 MIXP
CB3
5 MIXN
C6 _{6 LNAO2}
L3
C7
3 1 _L4
SAWFIL
46
7 VEE
8 ^LNAI2
C8
9
CB1
MLX71121
32L QFN 5x5
10 11 12 13 14 15
CINT 23
VCC 22
CF3
PDN 21
PDP 20
SLC 19
CP2
CP1
DFO 18
DF1 17
CF1
16
SCLSEL
CF2
CB2
VCC
CB0
VCC
GND
ASK
jumpers
FSK
Fig. 3: Circuit schematic
39012 71121 01
Rev. 003
Page 9 of 18
EVB Description
Jan/08