RF2861 datasheet(8/16 Pages) RFMD

Part #	RF2861

Description	CDMA LOW NOISE AMPLIFIER/MIXER 900MHz DOWNCONVERTER

PDF	16 Pages

Scroll/Zoom	100%

Manufacturer	RFMD [RF Micro Devices]

Direct Link	http://www.rfmd.com

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RF2861

Rev A3 DS050902

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

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

Application Schematic

Differential IF Matching

IF Saw

IF+

IF-

LO IN

2.2 nH

OUT

TX BUFF

ENABLE

CELL LNA IN

1.2 nH

10 nH

3.9 pF

RF Saw

GND

9.1 k

20 k

22 nH

33 nF

DNI

33 nF

VCC

33 nH

33 nF

0603 Wire-wound Inductors

DNI

85 MHz IF (LO

FREQ=965 MHz)

184 MHz IF (LO

FREQ=1064 MHz)

22 pF 2.7 k

Ω 72 nH 72 nH 5.1 pF 5.1 pF 220 nH

5.0 pF 2.7 k

Ω 55 nH 55 nH 10 pF

10 pF

43 nH

IF SAW FILTER

SAWTEK 855845

EPCOS B4955

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