TH71071
315/433MHz
ASK Transmitter / LO Source
Features
!
Fully integrated, PLL-stabilized VCO
!
Flexible frequency range from 310 MHz to 450 MHz
!
ASK achieved by on/off keying of internal
power amplifier
!
FM possible with external varactor
!
Wide power supply range from 2.2 V to 5.5 V
!
High over-all frequency accuracy
!
Very low standby current
!
Adjustable output power range from
-12 dBm to +2 dBm
!
Adjustable current consumption from
4.8 mA to 11.5 mA
!
Differential output well-suited for loop
antenna
!
Conforms to EN 300 220 and similar
standard
Ordering Information
Part No.
TH71071
Temperature Range
-40 C擄 to 85 擄C
Package
SOIC8
Application Examples
!
!
!
!
!
!
Keyless car and central locking
Low-power telemetry
Alarm and security systems
General digital data transmission
General analog audio signal transmission
Local oscillator signal generation
Pin Description
LF
1
RO
2
ENTX
3
PS/DATA
4
TH71071
8
VEE
7
OUT1
6
OUT2
5
VCC
3901071071
Rev. 004
Page 1 of 10
Data Sheet
Dec. 2001