HMC491LP3ETR

更新时间： 2024-02-11 17:07:53

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HITTITE		射频和微波射频放大器微波放大器
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HMC491LP3ETR 数据手册

HMC491LP3 / 491LP3E

v03.1206

GaAs MMIC LOW NOISE AMPLIFIER

w/ BYPASS MODE, 3.4 - 3.8 GHz

Typical Applications

Features

The HMC491LP3 / HMC491LP3E is ideal for:

• Wireless Local Loop (WLL)

• Fixed Wireless Access

Gain: 16 dB

Noise Figure: 2 dB

Single Supply: +3V @ 9 mA

Integrated Bypass Mode

50 Ohm Matched Input/Output

3 x 3 x 1 mm QFN SMT Package

• Microwave & VSAT Radios

Functional Diagram

General Description

The HMC491LP3 & HMC491LP3E are versatile, inte-

grated, Low Noise Ampliﬁers (LNA) featuring a bypass

mode intended for 3.4 to 3.8 GHz Fixed Wireless &

WLL applications. The ampliﬁer provides 16 dB of

gain, 2 dB noise ﬁgure and +3 dBm input IP3 while

requiring only 9 mA from a +3V supply. Using a single

control line, the LNA can be switched into a low loss

2.2 dB bypass mode reducing the current consump-

tion to 20 μA. A low cost, leadless 3x3 mm QFN sur-

face mount package (LP3) houses the ampliﬁer. No

external RF matching components are required.

Electrical Speciﬁcations, T_A= +25° C, Vdd = +3V

LNA Mode

Parameter

LNA Mode

Bypass Mode

Units

Min.

Typ.

3.4 - 3.6

Max.

Min.

Typ.

3.6 - 3.8

15.5

0.012

2.0

Max.

Min.

Typ.

3.4 - 3.8

-2.3

0.004

Max.

Frequency Range

GHz

Gain

14.5

-2.8

Gain Variation Over Temperature

Noise Figure

0.012

2.2

0.02

2.7

0.02

2.5

0.008 dB / °C

Input Return Loss

Output Return Loss

Reverse Isolation

Input or Output Power for 1dB Compression (P1dB)*

dBm

Input Third Order Intercept (IP3)

(-20 dBm Input Power per tone, 1 MHz tone spacing)

dBm

Supply Current (Idd)

0.03

* P1dB for LNA Mode is referenced to RFOUT while P1dB for Bypass Mode is referenced to RFIN.

For price, delivery, and to place orders, please contact Hittite Microwave Corporation:

20 Alpha Road, Chelmsford, MA 01824 Phone: 978-250-3343 Fax: 978-250-3373

Order On-line at www.hittite.com

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