MRF21085LSR3 datasheet(7/11 Pages) FREESCALE

Part #	MRF21085LSR3

Description	RF Power Field Effect Transistor N-Channel Enhancement-Mode Lateral MOSFET

PDF	11 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

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7 / 11 page

MRF21085LSR3

RF Device Data

Freescale Semiconductor

TYPICAL CHARACTERISTICS

Pout, OUTPUT POWER (WATTS) PEP

14.5

12.5

13.5

Figure 9. Two-Tone Power Gain versus

Output Power

Figure 10. Two-Tone Broadband Performance

−40

−35

−30

−25

−20

−15

−10

2095

2110

2125

2140

2155

2170

2185

IDQ = 1300 mA

1150 mA

700 mA

f, FREQUENCY (MHz)

IRL

IDQ = 1000 mA

10 MHz Tone Spacing

Figure 11. Intermodulation Distortion Products

versus Two-Tone Spacing

−20

0.1

Df, TONE SPACING (kHz)

−30

−35

−40

−45

−50

−55

VDD = 28 Vdc

IDQ = 1000 mA

f = 2140 MHz

VDD = 28 Vdc

Pout = 90 W (PEP)

100

1000 mA

850 mA

VDD = 28 Vdc

f1 = 2135 MHz

f2 = 2145 MHz

7th Order

5th Order

3rd Order

−25

IMD

Gps

Figure 12. 2-Carrier W-CDMA Spectrum

f, FREQUENCY (MHz)

3.84 MHz

Channel BW

−IM3 in

3.84 MHz BW

+IM3 in

3.84 MHz BW

−ACPR in

3.84 MHz BW

+ACPR in

3.84 MHz BW

+20

+30

−10

−40

−50

−60

−70

−80

−20

515

−5

−10

−15

−20

−25

−30

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