RF2642 datasheet(6/12 Pages) RFMD

Part #	RF2642

Description	3V 900MHz UPCONVERTER/ DRIVER AMPLIFIER WITH BYPASS MODE

PDF	12 Pages

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Manufacturer	RFMD [RF Micro Devices]

Direct Link	http://www.rfmd.com

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RF2642

Rev A8 DS060925

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

Logic

Control

10 nF

Gain Select

10 nF

VCC

1 nF

3.9 nH

8.2 nH

10 nF

VPA2

8.2 nH

10 nF

VPA1

10 nF

1 nF

820

5.1

820

RF SAW

Filter

1 nF

2642400B

NOTE:

1. 1 nF: DC blocking capacitor - this can be removed if the filter is DC blocked.

2. T-attenuator - this is to control the overall gain of the upconverter + PA driver. This can be set to zero if it is desired.

See Note 2

PA OUT

Formed by stripline

RF GND2

Variable2

Formed by stripline

RF GND1

Variable1

See Note 1

IF+

IF-

LO IN

See Note 1

RF2642 Datasheet(PDF) 6 Page - RF Micro Devices

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