TH71102
315/433MHz
FSK/ASK Receiver
4
4.1
4.1.1
Test Circuits
Standard FSK Reception
Standard FSK Application Circuit
OUTP
RSSI
FSK output
C15
R5
C16
R4
C17
VCC
CERDIS
XTAL
VCC
C1
25 VEE
26 RO
27 VCC
16
OUT_IFA 15
VCC 14
C12
VCC
ENRX
R1
C3
28 ENRX
29 LF
30 VEE
TH71102
FBC2 13
FBC1 12
IN_IFA 11
C9
R2
C11
C10
31 IN_LNA
32 VCC
VEE 10
OUT_MIX2 9
L2
VCC
CERFIL
1
2
3
4
5
6
7
8
6
1
L1
4
3
SAWFIL
L3
C7
C6
C8
CB*
VCC
50
RF input
* each Vcc pin with blocking cap of 330pF
* one global Vcc blocking cap of 33nF
Fig. 2: Test circuit for FSK reception
Circuit Features
? Tolerates input frequency variations
? Well-suited for NRZ, Manchester and similar codes
39010 71102
Rev. 015
Page 13 of 21
Data Sheet
Jun/12
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