EVB71120
300 to 930MHz Receiver
Evaluation Board Description
3
3.1
Dual-Channel Application Circuits for FSK & ASK Reception
Peak Detector Data Slicer
jumpers
LNA1 LNA2
1 2 3
VCC
ENRX
1 2 3
DTAO CLKO ROI RSSI
1 2
3 4
5 6
7 8
CRO
RCL
RFSEL
10.7MHz
455kHz
XTAL
0
Ω
jumper pads
CX
RFSEL 31
32
IFSEL 27
TEST 26
ENRX 30
DTAO 29
CLKO 28
ROI 25
50
L1
L2
VCC
C3
1 LNAI1
2 VEE
CRS
CB3
L3
C7
Y
R
A
IN
IM
L
E
R
P
CINT 23
VCC 22
RSSI 24
CF3
C4
C5
3 LNAO1
4 MIXP
5 MIXN
MLX71120
32L QFN 5x5
PDN 21
PDP 20
SLC 19
CP2
CB2
C6
6 LNAO2
7 VEE
8
CP1
VCC
MODSEL
DFO 18
DF2
1
3
SAWFIL
4
6
MIXO
IFAN
IFAP
VCC
L4
VEE
LNAI2
SLCSEL
CB0
1 2
DF1 17
CF1
C8
9
10
11
12
13
14
15
16
VCC
GND
DFO
50
SCLSEL
3 4
CIF
CF2
CB1
CERFIL
ASK
jumpers
FSK
5 6 7
Fig. 3:
Circuit schematic
39012 71120 01
Rev. 003
Page 9 of 18
EVB Description
Jan/08
MELEXIS [ Melexis Microelectronic Systems ]
