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AA028P2-00

27–31 GHz GaAs MMIC Driver Amplifier

Skyworks Solutions 

27–31 GHz GaAs MMIC

Driver Amplifier

Features

■ Single Bias Supply Operation (6 V)

■ 14 dB Typical Small Signal Gain

■ 16 dBm Typical P1 dB Output Power

at 28 GHz

■ 0.25 µm Ti/Pd/Au Gates

■ 100% On-Wafer RF and DC Testing

■ 100% Visual Inspection to MIL-STD-883

MT 2010

Description

Skyworks’ two-stage reactively-matched 27–31 GHz GaAs

MMIC driver amplifier has typical small signal gain of

14 dB with a typical P1 dB of 16 dBm at 28 GHz. The chip

uses Skyworks’ proven 0.25 µm MESFET 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. All chips are screened for gain, output

power and S-parameters prior to shipment for guaranteed

performance. Designed for 27–31 GHz LMDS and digital

radio bands.

Chip Outline

1.380

AA028P2-00

0.617

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

7 VDC

16 dBm

175°C

Electrical Specifications at 25°C (VDS = 6 V)

Parameter

Condition

Drain Current

Small Signal Gain

F = 27–31 GHz

Input Return Loss

F = 27–31 GHz

Output Return Loss

F = 27–31 GHz

Output Power at 1 dB Gain Compression

F = 28 GHz

Saturated Output Power

Two-Tone Output Third-Order Intercept1

Thermal Resistance2

F = 28 GHz

F = 28 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

RLI

RLO

P1 dB

PSAT

OIP3

ΘJC

Min.

12

13

14

Typ.3

80

14

-11

-12

16

17

26.5

198

Max.

110

-6

-6

Unit

mA

dB

dB

dB

dBm

dBm

dBm

°C/W

Skyworks Solutions, Inc. [781] 376-3000 • Fax [781] 376-3100 • Email sales@skyworksinc.com • www.skyworksinc.com

1

Specifications subject to change without notice. 11/02A

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