Advanced Product Information

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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

Website: www.filcs.com

FMS2021

DC- 6 GHz SPDT WLAN GaAs Low Loss Switch

Features:

♦ Suitable for Multi-band WLAN Applications

♦ Excellent low control voltage performance

♦ Very low Insertion loss <0.7 dB at 6GHz typical

♦ High isolation >25 dB at 6GHz typical

Description and Applications:

The FMS2021 is a low loss, multi-band single pole double throw Gallium Arsenide antenna 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.

Parameter

Conditions

Min

Typ

Max

Units

Insertion Loss (All Paths)

(0.5-6) GHz, Small Signal

0.7

dB

Isolation (All Paths)

(0.5-6) GHz, Small Signal

25

dB

Return Loss

(0.5-6) GHz, Small Signal

20

dB

2nd Harmonic Level

3 GHz, Pin = 20dBm, Vctrl =2.4V

-70

dBc

3rd Harmonic Level

3 GHz, Pin = 20dBm, Vctrl =2.4V

-70

dBc

Switching speed

Vctrl=2.4V, Pin=20dBm

30

ns

P1dB

Measured at 2.4V control

30

dBm

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

Functional Schematic

ANT1

V2

V1

RX

TX

ANT2

V3

V4

ANT1

V2

V1

RX

TX

ANT2

V3

V4