DRA889TX

Revision 1.20

Page

of 2

Feb. 2016

1

DRA889TX

LOW COST ASK TRANSMITTER MODULE

V1.20

DESCRIPTION

DRA889TX is

a type of

low

cost ASK

transmitter module which is designed with SAW

resonator and high power PA for cost-efficient

solutions. It can be used in wireless door opener,

robot

control,

security

alarm

and

related

applications.

PIN FUNCTIONS

PIN

Name

Description

1

VDD

Power pin

2

DATA

Data input

3

GND

Ground(0V)

1

2

3

4

4

ANT

Antenna port

DRA889TX Pin Functions

ELECTRICAL SPECIFICATIONS

Symbol

Parameter (condition)

Min.

Typ.

Max.

Units

VDD

Supply Voltage

2.2

3.0

5.5

V

Freq

Frequency range

433.92

MHz

Pout

Output power. @ 3V

@ 5V

11

16

dBm

ASK data rate

0.3

4.8

9.6

kbps

Temp

Operating temperature range

-20

25

70

°C

Current in transmit mode. @ 3V

24

mA

Current in sleep mode

1

uA

Antenna impedance

50

Ohm

Table 2: DRA889TX Electrical Specifications

also be increased but the distortion of wave will also be worse. Unless users are very sophisticated in

ASK modulation and can pick out the effective data easily, we don’t recommend users to use it in higher

voltage.