27291SL datasheet(5/15 Pages) FREESCALE

5 / 15 page

MRF5S4125NR1 MRF5S4125NBR1

RF Device Data

Freescale Semiconductor

TYPICAL CHARACTERISTICS

500

420

IRL

Gps

ACPR

ALT1

f, FREQUENCY (MHz)

Figure 3. Single-Carrier N-CDMA Broadband Performance @ Pout = 25 Watts Avg.

−20

−10

−5

VDD = 28 Vdc, Pout = 25 W (Avg.)

IDQ = 1100 mA, Single−Carrier N−CDMA

480

460

440

−65

−45

−50

−55

−60

ηD

430

450

470

490

−15

500

420

IRL

Gps

ACPR

ALT1

f, FREQUENCY (MHz)

Figure 4. Single-Carrier N-CDMA Broadband Performance @ Pout = 58 Watts Avg.

−20

−5

−10

480

460

440

−60

−20

−30

−40

−50

ηD

430

450

470

490

−15

Figure 5. Two-Tone Power Gain versus

Output Power

100

IDQ = 1650 mA

1375 mA

300

Pout, OUTPUT POWER (WATTS) PEP

825 mA

550 mA

Figure 6. Third Order Intermodulation Distortion

versus Output Power

−10

100

−20

−30

−40

300

−50

Pout, OUTPUT POWER (WATTS) PEP

IDQ = 550 mA

1100 mA

825 mA

562.5 mA

1.2288 MHz Channel Bandwidth

PAR = 9.8 dB @ 0.01% Probability (CCDF)

200

VDD = 28 Vdc

f1 = 465 MHz, f2 = 467.5 MHz

Two −Tone Measurements, 2.5 MHz Tone Spacing

1100 mA

200

VDD = 28 Vdc

f1 = 465 MHz, f2 = 467.5 MHz

Two −Tone Measurements, 2.5 MHz Tone Spacing

1375 mA

VDD = 28 Vdc, Pout = 58 W (Avg.)

IDQ = 1100 mA, Single−Carrier N−CDMA

1.2288 MHz, Channel Bandwidth

PAR = 9.8 dB @ 0.01% Probability (CCDF)

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