RO4350 datasheet(5/16 Pages) FREESCALE

5 / 16 page

MRF8S9102NR3

RF Device Data

Freescale Semiconductor

TYPICAL CHARACTERISTICS

820

IRL

Gps

ACPR

f, FREQUENCY (MHz)

Figure 2. Output Peak--to--Average Ratio Compression (PARC)

Broadband Performance @ Pout = 28 Watts Avg.

--20

--5

--10

--15

--38.5

--36

--36.5

--37

--37.5

ηD

840

860

880

900

920

940

960

980

--38

--25

PARC

--1.7

--0.8

--1.1

--1.4

--2

VDD =28 Vdc,Pout =28 W (Avg.),IDQ = 750 mA

Single--Carrier W--CDMA, 3.84 MHz Channel Bandwidth

Figure 3. Intermodulation Distortion Products

versus Two--Tone Spacing

TWO--TONE SPACING (MHz)

--60

--10

--20

--30

--50

100

--40

IM3--U

IM3--L

IM5--U

IM5--L

IM7--L

IM7--U

VDD =28 Vdc,Pout = 82 W (PEP), IDQ = 750 mA

Two--Tone Measurements

(f1 + f2)/2 = Center Frequency of 940 MHz

Figure 4. Output Peak--to--Average Ratio

Compression (PARC) versus Output Power

Pout, OUTPUT POWER (WATTS)

--2

--4

--1

--3

--1 dB = 25 W

--2 dB = 35 W

--3 dB = 48 W

ηD

ACPR

PARC

--50

--20

--25

--30

--40

--35

--45

23.5

22.5

21.5

Gps

Input Signal PAR = 7.5 dB

@ 0.01% Probability on CCDF

--0.5

VDD =28 Vdc,IDQ = 750 mA, f = 940 MHz, Single--Carrier

W--CDMA, 3.84 MHz Channel Bandwidth, Input Signal

PAR = 7.5 dB @ 0.01% Probability on CCDF

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