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RF2681PCBA

W-CDMA LINEAR VARIABLE GAIN DRIVER AMPLIFIER

RF Micro Devices 

RF2681

Preliminary

Absolute Maximum Ratings

Parameter

Supply Voltage

Operating Ambient Temperature

Storage Temperature

Rating

-0.5 to +3.6

-40 to +85

-40 to +150

Unit

VDC

°C

°C

Caution! ESD sensitive device.

RF Micro Devices believes the furnished information is correct and accurate

at the time of this printing. However, RF Micro Devices reserves the right to

make changes to its products without notice. RF Micro Devices does not

assume responsibility for the use of the described product(s).

Parameter

Overall

Usable Frequency Range

4

Linear Gain Control Range

Gain Control Slope

W-CDMA

Operating Frequency

Small Signal Gain

Specification

Min.

Typ.

Max.

1800 to 2100

30

40

1920 to 1980

24

26

29

-7

-5

-3

Unit

Condition

MHz

dB

dB/V

MHz

dB

VGC=2.4V (Maximum Gain)

VGC=0V (Minimum Gain)

Output IP3

Noise Figure

Input VSWR

Output VSWR

Maximum Linear Output Power

ACPR1 (5MHz Offset)

+22.0

8

ACPR2 (10MHz Offset)

Power Supply

Supply Voltage

Gain Control Voltage

Supply Current

VGC Current

+24.0

3

1.4:1

1.8:1

9

2.7

0 to 2.4

38

220

1.7

+26.0

2:1

2:1

-48

-62

3.3

dBm

dB

dBm

dBc

dBc

V

V

mA

µA

mA

VGC=2.4V (Maximum Gain)

Small signal

Over entire gain control range

W-CDMA ACPR<-43dBc

Over entire gain control range. PIN such that

POUT=9dBm at maximum gain setting.

W-CDMA reverse link modulation.

Operating range

Useful range

VCC = 2.7 V

VGC=2.4V (Maximum Gain)

VGC = 0.2 V

4-44

Rev A1 010824

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