TRF6901

SINGLECHIP RF TRANSCEIVER

SLWS110G − SEPTEMBER 2001 − REVISED JUNE 2004

8

POST OFFICE BOX 655303

(continued)

transmitter (XTAL, PLL, VCO, and PA)

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

TX frequency range

860

930

MHz

0-dB attenuation

8

Output power†

10-dB attenuation

0

dBm

Output power†

20-dB attenuation

−10

dBm

Off‡

−50

0-dB attenuation

6

Output power (VCC = 1.8 V)†

10-dB attenuation

−3

dBm

Output power (VCC = 1.8 V)†

20-dB attenuation

−9

dBm

Second harmonic

−15

dBc

Third harmonic

−20

dBc

Frequency deviation§

FSK

32

kHz

Power ON-OFF ratio

OOK, 0-dB mode

50

dB

Data rate

FSK

64

kbit/s

† Matched to 50 Ω using an external matching network.

‡ Not selectable with PA attenuation bits A< 7 : 6 >. Measured while the TRF6901 device is in RX mode.

§ Dependant upon external circuitry.

XTAL

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Frequency range

10

20

MHz

brownout detector

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Voltage threshold, Vdet

Set by B<2:1>

1.8

2.4

V

Voltage steps (

∆V)

200

mV

Number of steps

4

Output level

Connected to typical input port of

microcontroller

CMOS