TH71102 Datasheet, PDF (6/22 Pages) List of Unclassifed Manufacturers – FSK/FM/ASK Receiver

TH71102
315/433MHz
FSK/FM/ASK Receiver
2 Pin Definitions and Descriptions
Pin No. Name
3 OUT_LNA
I/O Type
analog
output
Functional Schematic
OUT_LNA
3
5k
31 IN_LNA
analog
IN_LNA
input
31
1 VEE_LNAC ground
VEE_LNAC
1
2 GAIN_LNA analog
input
GAIN_LNA
2
400Ω
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 (cas-
code)
LNA gain control
(input with hysteresis)
RX standby: no pull-up
RX active: pull-up
4 IN_MIX1 analog
input
13Ω
IN_MIX1
MIX1 input, approx. 33Ω
single-ended
4
13Ω
500µA
5 VEE_MIX ground
ground of MIX1 and MIX2
6 IF1P
analog I/O
IF1P
6
VCC
20p
20p
open-collector output, to be
IF1N connected to external LC
tank that resonates at first IF
7
7 IF1N
analog I/O
VEE
2x500µA
VEE
open-collector output, to be
connected to external LC
tank that resonates at first IF
8 VCC_MIX supply
positive supply of
MIX1 and MIX2
9 OUT_MIX2 analog
output
MIX2 output, approx. 330Ω
6.8k
output impedance
OUT_MIX2
130Ω
9
230µA
10 VEE_IF
ground
ground of IFA and DEMOD
39010 71102
Rev. 013
Page 6 of 22
Data Sheet
June/07