RF3857SR datasheet(8/11 Pages) RFMD

Part #	RF3857SR

Description	DUAL CHANNEL LNA WITH BYPASS MODE

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Manufacturer	RFMD [RF Micro Devices]

Direct Link	http://www.rfmd.com

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RF3857

DS110616

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

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

WiBRO/WiFi DATA

GAIN

DW:L)L Band in High Gain Mode

VCC=3.3V and VREF=3.3V Over Temp

6.0

8.0

10.0

12.0

14.0

16.0

18.0

20.0

22.0

24.0

2200.0

2300.0 2400.0

2500.0 2600.0

2700.0 2800.0

2900.0

Frequency (MHz)

Gain @ -40°C

Gain @ 25°C

Gain @ 85°C

Gain

DW:L)L Band in Bypass Mode

VCC=3.3V and VREF=3.3V Over Temp

-6.0

-5.0

-4.0

-3.0

-2.0

-1.0

0.0

2200.0

2300.0

2400.0

2500.0

2600.0

2700.0

2800.0

2900.0

Frequency (MHz)

Gain @ -40°C

Gain @ 25°C

Gain @ 85°C

Noise Figure

DW:L)L Band in High Gain Mode

VCC=3.3V and VREF=3.3V Over Temp

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

2200.0

2300.0

2400.0

2500.0

2600.0

2700.0

2800.0

2900.0

Frequency (MHz)

NF @ -40°C

NF @ 25°C

NF @ 85°C

IIP3

DW:L)L Band in High Gain Mode

VCC=3.3V and VREF=3.3V Over Temp

0.0

2.0

4.0

6.0

8.0

10.0

12.0

14.0

16.0

2200.0

2300.0 2400.0

2500.0 2600.0

2700.0 2800.0

2900.0

Frequency (MHz)

IIP3 @ -40°C

IIP3 @ 25°C

IIP3 @ 85°C

IIP3

DW:L)L Band in Bypass Mode

VCC=3.3V and VREF=3.3V Over Temp

12.0

14.0

16.0

18.0

20.0

22.0

24.0

26.0

28.0

30.0

2200.0

2300.0 2400.0

2500.0 2600.0

2700.0 2800.0

2900.0

Frequency (MHz)

IIP3 @ -40°C

IIP3 @ 25°C

IIP3 @ 85°C

I

CC + IREF

DW:L)L Band in High Gain Mode

V

CC=3.3V and VREF=3.3V Over Temp

5.0

6.0

7.0

8.0

9.0

10.0

11.0

12.0

2200.0

2300.0 2400.0

2500.0 2600.0

2700.0 2800.0

2900.0

Frequency (MHz)

ICC + IREF @ -40°C

ICC + IREF @ 25°C

ICC + IREF @ 85°C

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