AS3901 データシートの表示（PDF） - austriamicrosystems AG

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AS3901

ISM 433/315 MHz FSK/ASK Transmitter

austriamicrosystems AG 

ISM 433/315 MHz FSK/ASK Transmitter – Data Sheet

AS3901

2.3.2 FSK Operation

TAMB = 23 °C, VDD = 3.0 V, unless specified otherwise.

Symbol Parameter

Conditions

Min Typ Max Units Note

POUT,FSK Available peak output In 2 kΩ , STDBY = ”L”,

-1.5

0

1.5

dBm 1) 3)

power

TX/ASK = ”H”

POUT 3rd Radiated third harmonic Antenna and band pass

output power

filter attenuation> 20 dB

-36

dBm 2)

PSP

Spurious power

In distance of fCLK or

fXTAL from carrier. No

antenna selectivity

assumed.

-45 -25

dBC 2) 3)

RFSK

∆f

FSK data rate range

FSK frequency deviation

0

32

kb/s 4)

16

kHz

Note:

1)

2)

3)

4)

Output power depends on load impedance, differential output current is typical 0.7 mAms. Maximum differential voltage

swing is typical 4 VPP.

Measurement bandwidth (close to EN 300 220-1) see also figure 10.

Actual E.R.P. depends on antenna efficiency

Guaranteed by design

Rev. 6, August 2000

Page 10 of 18

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