TH7111 Datasheet, PDF (6/20 Pages) List of Unclassifed Manufacturers – FSK /FM/ASK Receiver

TH7111
868/915MHz
FSK/FM/ASK Receiver
Pin No. Name I/O Type
11 VCC_MIX1 supply
12 VCC_MIX2 supply
13 OUT_MIX2 analog
output
Functional Schematic
OUT_MIX2
13
130Ω
6.8k
230µA
Description
MIX1 positive supply
MIX2 positive supply
MIX2 output, approx. 330Ω
output impedance
14 VEE_IF
15 IN_IFA
16 FBC1
17 FBC2
ground
analog
input
analog I/O
analog I/O
VCC
VCC
IN_IFA
15
VEE
VCC
FBC2
17
2.2k
2.2k
200µA
VEE
FBC1
16
VEE
ground of MIX2, IFA and
DEMOD
IFA input, approx. 2.2kΩ
input impedance
to be connected to external
IFA feedback capacitor
to be connected to external
IFA feedback capacitor
18 VCC_IF
supply
19 OUT_IFA analog I/O
VEE
OUT_IFA
positive supply for IFA,
DEMOD and VCO2
IFA output and MIX3 input
(of DEMOD)
19
40µA
20 IN_DEM
analog
input
47k
IN_DEM
20
DEMOD input, to MIX3 core
21 SW_MIX2 digital
input
SW_MIX2
21
400Ω
input selection for LO2 input
port of MIX2
TH7111 Data Sheet
3901007111
Page 6 of 20
Nov. 2001
Rev. 005