TRF2443IPFPR datasheet(25/72 Pages) TI

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0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

TJ = 0°C

TJ = 65°C

TJ = 125°C

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

G049

fOUT = 340MHz

0.5

0.6

0.7

0.8

0.9

1.0

1.1

1.2

1.3

1.4

1.5

VCC = 3.1V

VCC = 3.3V

VCC = 3.5V

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

G050

fOUT = 340MHz

−0.5

−0.4

−0.3

−0.2

−0.1

0.0

0.1

0.2

0.3

0.4

0.5

TJ = 0°C

TJ = 65°C

TJ = 125°C

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

G090

fOUT = 340MHz

−0.5

−0.4

−0.3

−0.2

−0.1

0.0

0.1

0.2

0.3

0.4

0.5

VCC = 3.1V

VCC = 3.3V

VCC = 3.5V

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

G091

fOUT = 340MHz

TJ = 0°C

TJ = 65°C

TJ = 125°C

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

G051

fOUT = 340MHz

VCC = 3.1V

VCC = 3.3V

VCC = 3.5V

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

G052

fOUT = 340MHz

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 1-dB GAIN STEP

TX ATTENUATION SETTING

Figure 68.

Figure 69.

TX CUMULATIVE GAIN ERROR

TX ATTENUATION SETTING

Figure 70.

Figure 71.

UNCALIBRATED TX SIDEBAND SUPPRESSION

TX ATTENUATION SETTING

Figure 72.

Figure 73.

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TRF2443IPFPR Datasheet(PDF) 25 Page - Texas Instruments

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