TH71071 Datasheet, PDF (4/10 Pages) List of Unclassifed Manufacturers – 315/433MHz ASK Transmitter / LO Source

TH71071
315/433MHz
ASK Transmitter / LO Source
Pin Definition and Description
Pin No. Name
1 LF
I/O Type
analog I/O
Functional Schematic
LF
200Ω
1
200Ω
5p
2 RO
analog I/O
RO1
2
37k
28p
28p
3 ENTX
input
ENTX
1.1k
3
Description
connection to loop filter,
charge pump output,
VCO tuning input
XOSC connection to XTAL,
Colpitts type crystal
oscillator
mode control input, CMOS-
compatible with internal
pull-down
4 PS/DATA analog I/O
PS/DATA
4
200Ω
20µA
power-select and ASK input,
high-impedance comparator
logic
5 VCC
supply
6 OUT2
output
VCC
positive power supply
VCC
differential power amplifier
output, open collector
7 OUT1
8 VEE
output
OUT2
6
VEE
ground
OUT1
7
differential power amplifier
output, open collector
VEE
VEE
negative power supply
3901071071
Rev. 004
Page 4 of 10
Data Sheet
Dec. 2001