TRF2443IPFPR datasheet(27/72 Pages) TI

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Time (

µs)

−80

−70

−60

−50

−40

−30

−20

−10

100

G067

SPI-3 REG3<10,9>=<10>

TJ = 0°C

TJ = 65°C

TJ = 125°C

−80

−70

−60

−50

−40

−30

−20

−10

100

VCC = 3.1V

VCC = 3.3V

VCC = 3.5V

Time (

µs)

G068

SPI-3 REG3<10,9>=<10>

−170

−165

−160

−155

−150

−145

−140

−135

−130

−125

−120

VCC = 3.1V

VCC = 3.3V

VCC = 3.5V

TX Attenuation Setting (SPI-3, REG1<12,6>)

G069

Note: No Input Signal

TRF2443

www.ti.com ................................................................................................................................... SLWS217A – SEPTEMBER 2009 – REVISED SEPTEMBER 2009

TRANSMITTER TYPICAL CHARACTERISTICS (continued)

Measured after the transformer (0.7-dB insertion loss) and with a TXBBI/TXBBQ input level of –23 dBVrms (TJ = 65°C,

VCC = 3.3 V, unless otherwise noted)

TX PROGRAMMABLE POWER-SHUTDOWN

TIME

Figure 80.

Figure 81.

TX OUTPUT NOISE

TX ATTENUATION SETTING

Figure 82.

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TRF2443IPFPR Datasheet(PDF) 27 Page - Texas Instruments

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