2V Control, Dual -Mode WCDMA & Dual-Band GSM/DCS Tx/Rx Switch

SW-488

V1.2

The Preliminary Specifications Data Sheet Contains Typical Electrical Specifications Which May Change Prior to Final Introduction

.

M/A-COM, Inc.

3

North America: Tel. (800) 366 -2266

♦

Asia/Pacific: Tel. +81 3 3263-8761

♦

Europe:

Tel. +44 (1344) 869-595

Fax (800) 618-8883

Fax +81 3 3263-8769

Fax +44 (1344) 300-020

Pin Configuration

Pin No.

Pin Name

Description

1

ANT2

GSM ANT Port

2

GND

RF Ground

3

GRX

GSM Rx Port

4

GND

RF Ground

5

GTX

GSM Tx Port

6

GND

Decoder GND

7

VDD

Decoder Vdd

8

BS

Control 1

9

TXS

Control 2

10

PRXON

Control 3

11

GND

RF Ground

12

DCS TX

DCS Tx Port

13

GND

RF Ground

14

DCSRX_S

DCS Rx Shunt

15

DCSRX

DCS Rx Port

16

GND

RF Ground

17

ANT 1

WCDMA/DCS ANT

18

GND

RF Ground

19

WCDMA

WCDMA Port

20

GND

RF Ground

21

GND

Paddle

Truth Table

BS

TXS

PRXON

MODE

0

0

0

GSM RX – ANT2

WCDMA – ANT1

0

1

0

GSM TX – ANT2

1

1

0

DCS TX – ANT1

1

0

0

DCS RX – ANT1

Logic Level

Voltage Level

VLo “0”=

0 V

VHi “1”=

2.5 V

Block Diagram

ANT2

GND

GRX

GND

GTX

DRX

DRXS

GND

DTX

GND

Decoder