27291SL datasheet(6/20 Pages) FREESCALE

6 / 20 page

RF Device Data

Freescale Semiconductor

MRF5S4140HR3 MRF5S4140HSR3

TYPICAL CHARACTERISTICS — 460-470 MHz

Figure 7. Intermodulation Distortion Products

versus Output Power

100

−60

−25

7th Order

Pout, OUTPUT POWER (WATTS) PEP

5th Order

3rd Order

−35

−40

−45

−50

200

VDD = 28 Vdc, IDQ = 1250 mA, f1 = 465 MHz

f2 = 467.5 MHz, Two−Tone Measurements

−30

Figure 8. Intermodulation Distortion Products

versus Tone Spacing

−50

7th Order

TWO−TONE SPACING (MHz)

5th Order

3rd Order

−20

−30

−40

160

−10

0.1

VDD = 28 Vdc, Pout = 100 W (PEP)

IDQ = 1250 mA, Two−Tone Measurements

(f1 + f2)/2 = Center Frequency of 465 MHz

Figure 9. Pulse CW Output Power versus

Input Power

P6dB = 53.57 dBm (227 W)

Pin, INPUT POWER (dBm)

VDD = 28 Vdc, IDQ = 1250 mA

Pulsed CW, 8

μsec(on), 1 msec(off)

f = 465 MHz

Actual

Ideal

P3dB = 52.99 dBm (198 W)

P1dB = 52.21 dBm (166 W)

Figure 10. Single-Carrier N-CDMA ACPR, ALT1, Power Gain

and Drain Efficiency versus Output Power

−75

Pout, OUTPUT POWER (WATTS) AVG.

−35

−43

−51

−59

−67

110

VDD = 28 Vdc, IDQ = 1250 mA, f = 465 MHz

N−CDMA IS−95 (Pilot, Sync, Paging

Traffic Codes 8 Through 13)

Gps

ηD

ACPR

ALT1

TC = −30_C

_C −30_C

−30

−55

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