TH71101 Datasheet, PDF (5/20 Pages) List of Unclassifed Manufacturers – FSK/FM/ASK Receiver

TH71101
315/433MHz
FSK/FM/ASK Receiver
Pin Definition and Description
Pin No. Name
3 OUT_LNA
I/O Type
analog
output
Functional Schematic
OUT_LNA
3
31 IN_LNA
analog
5k
input
IN_LNA
1 VEE_LNAC ground
31
VEE_LNAC
1
Description
LNA open-collector output,
to be connected to external
LC tank that resonates at RF
LNA input, approx.
26Ω single-ended
ground of LNA core
(cascode)
2 GAIN_LNA analog
input
GAIN_LNA
2
400Ω
LNA gain control (CMOS
input with hysteresis)
4 IN_MIX1
analog
input
13Ω
IN_MIX1
MIX1 input, approx. 33Ω
single-ended
4
13Ω
500µA
5 VEE_MIX ground
LNA biasing ground
6 IF1P
7 IF1N
analog I/O
IF1P
analog I/O ⁶
VCC
20p
20p
2x500µA
open-collector output, to be
IF1N connected to external LC
tank that resonates at first IF
7
open-collector output, to be
connected to external LC
tank that resonates at first IF
VEE
VEE
8 VCC_MIX supply
MIX1 and MIX2 positive
supply
9 OUT_MIX2 analog
output
MIX2 output, approx. 330Ω
6.8k
output impedance
OUT_MIX2
130Ω
9
230µA
10 VEE_IF
ground
ground for MIX2, IFA and
DEMOD
TH71101 Data Sheet
3901071101
Page 5 of 20
Nov. 2001
Rev. 005