GaAs Broadband DPDT Diversity Switch

DC - 6.0 GHz

Rev. V6

MASWSS0129

1

1

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Features

 802.11a + b/g Dual Band Applications

 Broadband Performance: DC - 6.0 GHz

 Low Insertion Loss: 0.7 dB @ 2.4 GHz

1.0 dB @ 4.9 to 6.0 GHz

 High Isolation: 43 dB @ 2.4 GHz

30 dB @ 4.9 to 6.0 GHz

 Fast Switching Speed: 0.5 µm GaAs PHEMT

 Lead-Free 3 mm 12-lead PQFN Package

 100% Matte Tin Plating over Copper

 Halogen-Free “Green” Mold Compound

 260°C Reflow Compatible

 RoHS* Compliant Version of MASWSS0094

Description

M/A-COM’s MASWSS0129 is a broadband GaAs

PHEMT MMIC diversity switch available in a low

cost, lead-free 3 mm 12-lead PQFN package. The

MASWSS0129 is ideally suited for applications

where very small size and low cost are required.

Typical applications are for WLAN IEEE 802.11a

and 802.11b/g systems that employ two antennas

for transmit and receive diversity. Other applications

include

cordless

phones

and

base

stations.

Designed for high power, this DPDT switch

maintains high linearity up to 6.0 GHz.

The MASWSS0129 is fabricated using a 0.5 micron

gate length GaAs PHEMT process. The process

features full passivation for performance and

reliability.

Part Number

Package

MASWSS0129

Bulk Packaging

MASWSS0129TR

7 inch, 1000 piece reel

MASWSS0129TR-3000

13 inch, 3000 piece reel

MASWSS0129SMB

Sample Test Board

(Includes 5 Samples)

1. Reference Application Note M513 for reel size information.

Functional Schematic

Pin No.

Pin Name

Description

1

GND

Ground

2

GND

Ground

3

Control 1

4

ANT1

Antenna Port 1

5

GND

Ground

6

ANT2

Antenna Port 2

7

Control 2

8

GND

Ground

9

GND

Ground

10

Rx

Receive Port

11

GND

Ground

12

Tx

Transmit Port

13

RF and DC Ground

Pin Configuration

2. The exposed pad centered on the package bottom must be

connected to RF and DC ground.

GND

GND

GND

GND

GND

GND

GND

Vc2

Vc1

GND

GND

GND

GND

GND

GND

GND

GND

Vc2

Vc1

GND

Pin 1

* Restrictions on Hazardous Substances, European Union Directive 2002/95/EC.