TH7108 Datasheet, PDF (4/10 Pages) List of Unclassifed Manufacturers – 868/915MHz ASK Transmitter / LO Source

TH71082
868/915MHz
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
37k
RO1
2
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 CKOUT
output
5 PS/DATA analog I/O
6 VCC
7 OUT
supply
output
CKOUT
4
200Ω
PS/DATA
5
200Ω
20µA
VCC
VCC
OUT
7
clock output,
CMOS-compatible
power-select and ASK input,
high-impedance comparator
logic
positive power supply
Power amplifier output,
open collector
8 VEE
ground
TH71082 Data Sheet
3901071082
VEE
VEE
Page 4 of 10
negative power supply
Dec. 2001
Rev. 004