th7110 ETC-unknow, th7110 Datasheet - Page 13

• Manufacturer Part Number: th7110
• Description: 315/433mhz Fsk/fm/ask Receiver
• Manufacturer: ETC-unknow

FSK Circuit with AFC and Ceramic Resonator Tolerance Compensation
TH7110 Data Sheet
3901007110
Circuit Feature
! Improves input frequency acceptance range up to RF
! Eliminates calibration tolerances of ceramic resonator
! Eliminates temperature tolerances of ceramic resonator
! Non-inverted and inverted CMOS-compatible outputs
L2
L1
XTAL
R1 C3
C4
C5
VCC
C1
Fig. 3: Test circuit for FSK with AFC and resonator compensation
VCC
RO
VCC
ENRX
LF1
LF2
VEE
VEE
IN_LNA
VCC
ENRO
VEE
C15
L3
C16
R4
C6
R5
LQFP44
C7
C17
Page 13 of 20
C18
C8
C19
L4
VCC
C9
nom
OUT_MIX2
SW_MIX2
OUT_IFA
L5
IN_DEM
IN_IFA
50 kHz
FBC2
FBC1
R3
VCC
VEE
VCC
FSK/FM/ASK Receiver
IN_MIX2
C13
C14
CB*
VCC
VCC
VCC
C10
CP VD
CERRES
VCC
TH7110
C12
CERFIL
315/433MHz
C11
Nov. 2001
Rev. 005