TH7108
868/915MHz
FSK/FM/ASK Transmitter
Pin No. Name
8 CKOUT
I/O Type
output
Functional Schematic
CKOUT
8
200Ω
Description
clock output,
CMOS-compatible
9 PS
analog I/O
20µA
PS
200Ω
9
power-select and ASK input,
high-impedance comparator
logic
10 VCC
supply
11 VEE
ground
12 OUT2
output
VCC
positive power supply
negative power supply
VCC
differential power amplifier
output, open collector
13 OUT1
14 VEE
15 VCC
16 LF2
output
OUT2
12
ground
supply
input
VEE
LF2
16
OUT1
13 differential power amplifier
output, open collector
VEE
VEE
200Ω
5p
negative power supply
positive power supply
VCO tuning input,
connection from loop filter
3901007108
Rev. 005
Page 5 of 12
Data Sheet
Dec. 2001