MGA-72543BLK

更新时间： 2024-01-09 19:07:14

品牌	Logo	应用领域
安捷伦 - AGILENT		开关放大器
页数	文件大小	规格书
22页	215K
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MGA-72543BLK 数据手册

PHEMT* Low Noise Amplifier

with Bypass Switch

Technical Data

MGA-72543

figure into 50Ω. The input may be

additionally externally matched for

low VSWR through the addition of

a single series inductor. When set

into the bypass mode, both input

and output are internally matched

to 50Ω.

Surface Mount Package

SOT-343 (SC-70)

Features

• Lead-free Option Available

• Operating Frequency

0.1 GHz ~ 6.0 GHz

• Noise Figure:

1.4 dB at 2 GHz

• Gain: 14 dB at 2 GHz

The MGA-72543 offers an inte-

grated solution of LNA with

• Bypass Switch on Chip

Loss = -2.5 dB (I_d< 5 µA)

IIP₃= +35 dBm

Pin Connections and

Package Marking

adjustable IIP₃. The IIP₃can be

fixed to a desired current level for

the receiver’s linearity require-

ments. The LNA has a bypass

switch function, which sets the

current to zero and provides low

insertion loss. The bypass mode

also boosts dynamic range when

high level signal is being received.

INPUT

& V

ref

GND

• Adjustable Input IP₃

+2 to +14 dBm

OUTPUT

& V

GND

• 2.7 V to 4.2 V Operation

• Very Small Surface Mount

Package marking is 3 characters. The

last character represents date code.

Package

Applications

• CDMA (IS-95, J-STD-008)

Receiver LNA

For the CDMA driver amplifier

applications, the MGA-72543

provides suitable gain and linearity

to meet the ACPR requirements

when the handset transmits the

highest power. When transmitting

lower power, the MGA-72543 can

be bypassed, saving the drawing

current.

Description

Agilent’s MGA-72543 is an economi-

cal, easy-to-use GaAs MMIC Low

Noise Amplifier (LNA), which is

designed for an adaptive CDMA

receiver LNA and adaptive CDMA

transmit driver amplifier.

Transmit Driver Amp

• TDMA (IS-136) Handsets

Attention:

Observe precautions for

handling electrostatic

sensitive devices.

The MGA-72543 features a mini-

mum noise figure of 1.4 dB and

14 dB associated gain from a single

stage, feedback FET amplifier. The

output is internally matched to

50Ω. The input is optimally

The MGA-72543 is a GaAs MMIC,

processed on Agilent’s cost effec-

tive PHEMT (Pseudomorphic High

Electron Mobility Transistor). It is

housed in the SOT343 (SC70 4-lead)

package, and is part of the Agilent

Technologies CDMAdvantage RF

chipset.

ESD Machine Model (Class A)

ESD Human Body Model (Class 0)

Refer to Agilent Application Note A004R:

Electrostatic Discharge Damage and Control.

internally matched for lowest noise

* Pseudomorphic High

Electron Mobility Transistor

12 3 4 5 6 7...22

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