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AA038N3-00

37–40 GHz GaAs MMIC Low Noise Amplifier

Skyworks Solutions 

37–40 GHz GaAs MMIC

Low Noise Amplifier

Features

■ Single Bias Supply Operation (5 V)

■ 3.5 dB Typical Noise Figure at 38 GHz

■ 13 dB Typical Small Signal Gain

■ 0.25 µm Ti/Pd/Au Gates

■ 100% On-Wafer RF, DC and Noise

Figure Testing

■ 100% Visual Inspection to MIL-STD-883

MT 2010

Description

Skyworks’ three-stage reactively-matched 37–40 GHz

MMIC low noise amplifier has typical small signal gain of

13 dB with a typical noise figure of 3.5 dB at 38 GHz.

The chip uses Skyworks’ proven 0.25 µm low noise

PHEMT technology, and is based upon MBE layers and

electron beam lithography for the highest uniformity and

repeatability. The FETs employ surface passivation to

ensure a rugged reliable part with through-substrate via

holes and gold-based backside metallization to facilitate

a conductive epoxy die attach process.

Chip Outline

1.310

1.225

0.655

AA038N3-00

0.000

Dimensions indicated in mm.

All DC (V) pads are 0.1 x 0.1 mm and RF In, Out pads are 0.07 mm wide.

Chip thickness = 0.1 mm.

Absolute Maximum Ratings

Characteristic

Operating Temperature (TC)

Storage Temperature (TST)

Bias Voltage (VD)

Power In (PIN)

Junction Temperature (TJ)

Value

-55°C to +90°C

-65°C to +150°C

6 VDC

10 dBm

175°C

Electrical Specifications at 25°C (VDS = 5 V)

Parameter

Drain Current

Small Signal Gain

Noise Figure

Input Return Loss

Output Return Loss

Output Power at 1 dB Gain Compression1

Two-Tone Output Third-Order Intercept1

Thermal Resistance2

Condition

VD = 5 V

F = 37–40 GHz

F = 38 GHz

F = 37–40 GHz

F = 37–40 GHz

F = 38 GHz

F = 38 GHz

1. Not measured on a 100% basis.

2. Calculated value based on measurement of discrete FET.

3. Typical represents the median parameter value across the specified

frequency range for the median chip.

Symbol

IDS

G

NF

RLI

RLO

P1 dB

OIP3

ΘJC

Min.

10

Typ.3

20

13

3.5

-12

-12

6

15

202

Max.

27

3.8

-6

-6

Unit

mA

dB

dB

dB

dB

dBm

dBm

°C/W

Skyworks Solutions, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email sales@skyworksinc.com • www.skyworksinc.com

1

Specifications subject to change without notice. 11/02A

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