Preliminary Data Sheet

2.2

1

Preliminary specifications subject to change without notice

Filtronic Compound Semiconductors Ltd

Contact Details (UK): Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: sales@filcs.com

Contact Details (USA): Tel: +1 (408) 850 5790

Fax: +1 (408) 850 5766

Email: sales@filcsi.com

Website: www.filcs.com

FMS2017

2.4GHz DPDT GaAs Single-Band WLAN Switch

Features:

♦ Available as RF known good die

♦ Suitable for Single-band WLAN 802.11b/g

Applications

♦ Excellent low control voltage performance

♦ Very low Insertion loss typ. 0.55dB at 2.4GHz

♦ High isolation typ. 23dB at 2.4GHz

Description and Applications:

The FMS2017 is a low loss, single band Gallium Arsenide antenna diversity switch designed for use

in Wireless LAN applications. The die is fabricated using the Filtronic FL05 0.5

µm switch process

technology that offers leading edge performance, optimised for switch applications. The FMS2017 is

designed for use in 802.11b/g WLAN modules.

Parameter

Conditions

Min

Typ

Max

Units

Insertion Loss (All Paths)

2.5GHz, Small Signal

0.55

dB

Isolation (All Paths)

2.5GHz, Small Signal

23

dB

Return Loss

2.5GHz, Small Signal

20

dB

P1dB

2.5GHz Control Voltage 3.0V

37

dBm

2nd Harmonic Level

2.4GHz, Pin = 32dBm, Vctrl =2.4V

-65

dBc

3rd Harmonic Level

2.4GHz, Pin = 32dBm, Vctrl =2.4V

-65

dBc

Switching speed

Vctrl=2.4V, Pin=20dBm

20

nS

Note: External DC blocking capacitors are required on all RF ports (typ: 47pF)

All unused ports terminated in 50

Ω.

Functional Schematic

V4

TX

V3

AN1

ANT2

V1

RX

V2