EVB71122
300 to 930MHz Receiver
Evaluation Board Description
4.2 Standard FSK & ASK circuit in 8-Channel Preconfigured (ABC) Mode
4.2.1
Averaging Data Slicer Configured for Bi-Phase Codes
DFO
DTAO
A
B
C
3
3
3
1 2
1 2
1 2
1 2
1 2
CB3
ENRX
XTAL
CX
1 2
3
MODSEL
16
ENRX
25 PDP
26
CF2
RF
15
LF
PDN
27 DFO
1 2
3
CF1
CB2
14
13
12
VCCVCO
TNK2
C8
C9
DF1
DF2
28
29
MLX71122
L0
TNK1
30 VEEANA
11
10
9
VEEVCO
L1
RBS
C3
31
RBIAS
LNAI
MODSEL
32 SLC
C1
C2
GND VCC
RSSI
1
2
3
7
8
5
6
4
C10
2
1
2
1
L3
C5
C6
C7
CB0
C4
CB1
Fig. 8: Application circuit for ABC Mode
Note
•
ABC mode population can be easily modified from default SPI mode population by changing the con-
nection at SPISEL from VCC to ground.
39012 71122 01
Rev. 001
Page 25 of 32
EVB Description
Sept/06
MELEXIS [ Melexis Microelectronic Systems ]
