RF2494 RF Micro Devices, RF2494 Datasheet

RF2494

Manufacturer Part Number

RF2494

Description

HIGH FREQUENCY LNA/MIXER

Manufacturer

RF Micro Devices

Datasheet

1.RF2494.pdf (14 pages)

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Product Description

The RF2494 is a monolithic integrated UHF receiver front

end suitable for 2.4GHz ISM band applications. The IC

contains all of the required components to implement the

RF functions of the receiver except for the passive filter-

ing and LO generation. It contains an LNA (low-noise

amplifier), a second RF amplifier and a doubly balanced

mixer. The output of the LNA is made available as an out-

put to permit the insertion of a bandpass filter between

the LNA and the RF/Mixer section. The mixer outputs can

be selectively disabled to allow for the IF filter to be used

in the transmit mode.

Optimum Technology Matching® Applied

Rev A0 010730

Typical Applications

• Part of 2.4GHz IEEE802.11b WLANs

• Digital Communication Systems

• Spread-Spectrum Communication Systems

Si BJT

Si Bi-CMOS

MIX OUT-

VCC1

VCC2

Functional Block Diagram

Circuits

GaAs HBT

SiGe HBT

Bias

LNA

RF AMP

Preliminary

GaAs MESFET

Si CMOS

MIX IN

GND3

• WLAN or Wireless Local Loop

• Portable Battery-Powered Equipment

• UHF Digital and Analog Receivers

Features

Ordering Information

RF Micro Devices, Inc.

7628 Thorndike Road

Greensboro, NC 27409, USA

• Single 2.7V to 3.6V Power Supply

• 2400MHz to 2500MHz Operation

• Two Gain Settings: 28dB or 12dB

• 4.5dB Cascaded NF, High Gain Mode

• 20mA DC Current Consumption

• Input IP

RF2494

RF2494 PCBA-H Fully Assembled Evaluation Board (2.5GHz)

max

12°

.80

.65

NOTES:

Pin 1 identifier must exist on top surface of package by identification mark or

feature on the package body. Exact shape and size is optional.

Shaded Pin is Lead 1.

Dimension applies to plated terminal and is measured between 0.02 mm and

0.25 mm from terminal end.

Package Warpage: 0.05 max.

Die thickness allowable: 0.305 mm max.

Package Style: LCC, 16-Pin, 4x4

1.00

0.85

.05

.01

: -23dBm or -8dBm

HIGH FREQUENCY LNA/MIXER

High Frequency LNA/Mixer

.35

.23

.75

.50

.60

.24 typ

.65

4.00

sq.

RF2494

Dimensions in mm.

http://www.rfmd.com

Fax (336) 664 0454

Tel (336) 664 1233

4 PLCS

.23

.13

1.85

1.55 sq.

4 PLCS

.65

.30

8-53

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