RF2494 데이터 시트보기 (PDF) - RF Micro Devices

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RF2494

HIGH FREQUENCY LNA/MIXER

RF Micro Devices 

Preliminary

8

RF2494

HIGH FREQUENCY LNA/MIXER

Typical Applications

• Part of 2.4GHz IEEE802.11b WLANs

• WLAN or Wireless Local Loop

• Digital Communication Systems

• Portable Battery-Powered Equipment

• Spread-Spectrum Communication Systems • UHF Digital and Analog Receivers

Product Description

1.00

.80

0.85

4.00

sq.

.65

The RF2494 is a monolithic integrated UHF receiver front

.60

.65

.24 typ

end suitable for 2.4GHz ISM band applications. The IC

.30

4 PLCS

contains all of the required components to implement the

RF functions of the receiver except for the passive filter-

2

.35

.23

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

1.85

1.55 sq.

amplifier), a second RF amplifier and a doubly balanced

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

12°

.75

put to permit the insertion of a bandpass filter between

max

.50

.23

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

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

.05

.01

NOTES:

.13

.65

4 PLCS

Dimensions in mm.

8

in the transmit mode.

1 Shaded Pin is Lead 1.

2

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

0.25 mm from terminal end.

3 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.

4 Package Warpage: 0.05 max.

5 Die thickness allowable: 0.305 mm max.

Optimum Technology Matching® Applied

Si BJT

üSi Bi-CMOS

GaAs HBT

SiGe HBT

GaAs MESFET

Si CMOS

16 15 14

PD 1

Bias

VCC1 2 Circuits

LNA

13

12 NC

11 NC

VCC2 3

RF AMP 10 MIX IN

Package Style: LCC, 16-Pin, 4x4

Features

• 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 IP3: -23dBm or -8dBm

MIX OUT- 4

9 GND3

5678

Ordering Information

RF2494

High Frequency LNA/Mixer

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

Functional Block Diagram

RF Micro Devices, Inc.

7628 Thorndike Road

Greensboro, NC 27409, USA

Tel (336) 664 1233

Fax (336) 664 0454

http://www.rfmd.com

Rev A0 010730

8-53

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