433.92/868.35 MHz
Hybrid
Transmitter
TXD1
◎
Ideal for 433.92/868.35MHz Remote Keyless-Entry Transmitter.
◎
SAW RESONATOR
◎
ASK Design
433.92/868.35
MHz Hybrid
Transmitter
The TXD1 is an ASK transmitter module .The result is
excellent performance in a simple-to-use .The TXD1 is
designed specifically for remote-control , wireless mouse
and car alarm system operating at 433.92/868.35 MHZ .
Absolute Maximum Ratings
Parameter
Power
Voltage
Supply
and/or
Modulation
Input
Value
3
-20 to +80
Units
V
℃
Operating temperature
Transmitter Characteristics
Parameter
Output power
Supply current
Supply voltage
Range
Data Rate
Icc
Vcc
300Hz
Symbol
Condition
Vcc=3.0V,TA-27℃
433.92MHz
868.35MHz
5.5
3
10K
Value
min.
typ.
3
max.
Unit
dBm
dBm
mA
V
bps
KEYMARK TECHNOLOGY Co.,Ltd
Page.第 1
頁
建立日期
2004/2/3
433.92/868.35 MHz
Hybrid
Transmitter
Typing Test Circuit
Typical transmitter Application
Notes:
1. Encoder : HT12D/F , PTC ( 2262 )
2. Antenna : Length = 17.2cm for 433.92MHz ; Length = 8.7 cm for 868.35MHz
KEYMARK TECHNOLOGY Co.,Ltd
Page.第 3
頁
建立日期
2004/2/3