TX 434 SMALL IA
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Technical features are subject to change without notice. AUR°EL S.p.A does not feel responsible for any da age caused by the device’s isuse.
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Via Foro dei Tigli, 4 - 47015 Modigliana (FC) – ITALY
Tel.: +39.0546.941124 Fax: +39.0546.941660
19/09/2018 - Rev.A
Pag 1 di 9
433 MHz ASK TRANSMITTER
SMT Trans itter with integrated antenna, operating at 434 MHz in ASK odulation. Ideal to be integrated in
Key fobs, s all hardware and portable devices.
PIN-OUT
CONNECTIONS
Pin -4-6-7-8 GND GND Connections. To be externally connected to a single
ground plate.
Pin 2 +Vcc Connection to the positive pole of supply.
Pin 3 TX Data Data input with ini u 50 kΩ input resistance.
Pin 5 N.C. Not used
Technical features TX 434 SMALL IA
Min Tipic Max Unit Remarks
Carrier frequency 433.91 433.92 433.93 MHz See notes 2 and
3
Supply voltage 1,8 3 3,6 V
ERP power 2 dB See note 2
ERP spurious up to 4GHz -40 dB See note 2
Supply current in power-down mode 1 µA
Supply current in TX 16 A See note 4
Supply current in TX RF carrier
(pin.3 High)
32 A
Supply current in TX RF carrier
(pin.3 Low)
5 A
Data input voltage 1,9 3 3,3 V See note 1
Square wave modulation 10 Khz
Switch on time power-down → TX 1,5 s
Switch off time TX, after TX Data pin3
holding low for 20ms
20 s
