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| TH71102 Datasheet, PDF (12/20 Pages) List of Unclassifed Manufacturers – FSK/FM/ASK Receiver | |||
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TH71102
315/433MHz
FSK/FM/ASK Receiver
FSK Circuit with AFC and Ceramic Resonator Tolerance Compensation
C14 C15
C16 C17
C18
R4
VCC
R5
R3
CP VD
VEE
XTAL
C1
RO
VCC
VCC
R1 C3
ENRX
LF
VEE
LQFP32
IN_DEM
OUT_IFA
VCC
FBC2
FBC1
IN_IFA
C13
C12 CERRES
VCC
C11
C9
C10
IN_LNA
VCC
C5
L2
VCC
VEE
CERFIL
OUT_MIX2
L1
C4
C7
L3
C6
C8
L4
L5
CB*
VCC
Fig. 3: Test circuit for FSK with AFC and resonator compensation
Circuit Feature
! Improves input frequency acceptance range up to RFnom ±50 kHz
! Eliminates calibration tolerances of ceramic resonator
! Eliminates temperature tolerances of ceramic resonator
! Non-inverted and inverted CMOS-compatible outputs
TH71102 Data Sheet
3901071102
Page 12 of 20
Nov. 2001
Rev. 005
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