RF2498 Просмотр технического описания (PDF) - RF Micro Devices

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Компоненты Описание

производитель

RF2498

TRI-BAND/QUAD-MODE CDMA/GPS LOW NOISE AMPLIFIER/MIXER

RF Micro Devices 

RF2498

Cascaded Performance (Typical Values for VCC=2.75V)

NOTE: All total current numbers include bias circuitry current of 1.5mA to 2.0mA (dependent on mode).

Parameter

GPS

Cascaded:

High IIP3 LNA Mode, IPSET=1

IPSET = 0

Gain (dB)

35.5

34.5

Noise Figure (dB)

1.6

1.6

Input IP3 (dBm)

-23.0

-22.0

Total Current (mA)

24

22

NOTE: Assumes 1.5dB image filter insertion loss. The TX

Buffer Enable is off. /2 Select is off.

Cellular CDMA Gain Control

S Mode LNA GAIN MIX GAIN

Comments

High Gain

1

1

IMD Test 1 and 2

N Mid Gain

1

0

IMD Test 3 and 4

Low Gain

0

1

IMD Test 5 and 6 option 1

Ultra Low Gain

0

0

IMD test 5 and 6 option 2

DESIG Note: Contact RFMD for Application note on gain control PCBA layout and software recommendations.

NEW

NOT FOR

8-308

Rev A4 070308

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