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