TRF2443IPFPR datasheet(24/72 Pages) TI

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TRANSMITTER TYPICAL CHARACTERISTICS

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

−35

−30

−25

−20

−15

−10

−5

G041

fOUT = 340MHz

TJ = 0°C

TJ = 65°C

TJ = 125°C

−35

−30

−25

−20

−15

−10

−5

VCC = 3.1V

VCC = 3.3V

VCC = 3.5V

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

G042

fOUT = 340MHz

−20

−15

−10

−5

TJ = 0°C

TJ = 65°C

TJ = 125°C

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

G043

fOUT = 340MHz

−20

−15

−10

−5

VCC = 3.1V

VCC = 3.3V

VCC = 3.5V

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

G044

fOUT = 340MHz

0.2

0.3

0.4

0.5

0.6

0.7

0.8

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

G047

TJ = 0°C

TJ = 65°C

TJ = 125°C

fOUT = 340MHz

0.2

0.3

0.4

0.5

0.6

0.7

0.8

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

G048

fOUT = 340MHz

VCC = 3.1V

VCC = 3.3V

VCC = 3.5V

TRF2443

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

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 OUTPUT POWER

TX ATTENUATION SETTING

Figure 62.

Figure 63.

TX GAIN

TX ATTENUATION SETTING

Figure 64.

Figure 65.

TX 0.5-dB GAIN STEP

TX ATTENUATION SETTING

Figure 66.

Figure 67.

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TRF2443IPFPR Datasheet(PDF) 24 Page - Texas Instruments

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