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RF2484

DS121024

7628 Thorndike Road, Greensboro, NC 27409-9421 · For sales or technical

support, contact RFMD at (+1) 336-678-5570 or sales-support@rfmd.com.

RF2484 Cellular CDMA Spectra at Various Output Levels

(ACPR @ 885kHz, Vcc = 5.0V, Vref = 4.1V, T = 25°C)

-100

-90

-80

-70

-60

-50

-40

-30

-20

877.5

878

878.5

879

879.5

880

880.5

881

881.5

882

882.5

Frequency (MHz)

CP = -10.6 dBm;

ACPR = -70 dBc

CP = -12.0 dBm;

ACPR = -72 dBc

CP = -14.7 dBm;

ACPR = -73 dBc

CP = -9.5 dBm;

ACPR = -68 dBc

Note: Below ~-90dBm,

test setup noise inhibits accurate

ACP measurement.

RF2484 PCS CDMA Spectra at Various Output Levels

(ACPR @ 885 kHz, Vcc = 5.0V, Vref = 4.1V, T = 25°C)

-100

-90

-80

-70

-60

-50

-40

-30

-20

1957.5 1958 1958.5 1959 1959.5 1960 1960.5 1961 1961.5 1962 1962.5

Frequency (MHz)

CP = -12.9 dBm;

ACPR = -72 dBc

CP = -14.3 dBm;

ACPR = -73 dBc

CP = -11.1 dBm;

ACPR = -71 dBc

RF2484 Output Power versus I, Q Input Voltage Level

(Vcc = 5.0V, Vref = 4.1V, T = 25°C, Single Sideband)

-20

-15

-10

-5

0

5

0

200

400

600

800

1000

1200

1400

1600

I, Q Input Voltage Level (mVp)

880 MHz

1960 MHz

2140 MHz

RF2484 Output Channel Power vs I, Q Input Voltage Level

(Vcc = 5.0V, Vref = 4.1V, T = 25°C, CDMA/W-CDMA Mod.)

-30

-25

-20

-15

-10

-5

250

500

750

1000

1250

1500

1750

2000

2250

2500

I, Q Input Voltage Level (mVpp)

880 MHz CDMA Signal

1960 MHz CDMA Signal

2140 MHz W-CDMA Signal