EVB71102 Datasheet, PDF (6/14 Pages) Melexis Microelectronic Systems – 315/433MHz Receiver Evaluation Board Description

2 Application Circuits
2.1 FSK Application Circuit
2.1.1 Circuit Diagram for FSK Reception
EVB71102
315/433MHz Receiver
Evaluation Board Description
12
12
1 2 ^{FSK output}
GND
RO
VCC
ENRX
GND
IN_LNA
L1
C15
C16
C17
XTAL
C1
VCC ^C_RO
CB2
R1
C3
16
SAWFIL
34
L2
R5
R4
CB3
VCC
CERDIS
25 VEE
26 RO
27 VCC
28 ENRX
29 LF
30 VEE
31 IN_LNA
32 VCC
CB1 ¹
TH71102
16
C12
OUT_IFA 15
VCC
VCC 14
FBC2 13
FBC1 12
IN_IFA 11
CB4 _C11
C9
R2 ^C10
VEE 10
OUT_MIX2 9
CERFIL
234 56 78
C7
C8
CB5
CB6
L3
C6
CB8
CB7
VCC
GND
VCC
Circuit Features
• Tolerates input frequency variations
• Well-suited for NRZ, Manchester and similar codes
39012 71102 01
Rev. 011
Page 6 of 14
EVB Description
June/07