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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

FMS2020

GaAs Multi-Purpose Wide Band SPDT Switch

Features:

♦ Available in die form

♦ Suitable for L and S-band digital

cellular, cordless telephony and WLAN

applications

♦ High isolation, 30dB typ at 2.5GHz

♦ Low insertion loss, 0.4dB typ at 2.5GHz

♦ P0.1dB > 35dBm

Functional Schematic

Description and Applications:

The FMS2020 is a low loss, high power and linear single pole dual throw Gallium Arsenide antenna

switch. The die is fabricated using the Filtronic FL05 0.5

µm switch process technology which offers

leading edge performance optimised for switch applications. The FMS2020 is designed for use in L

and S band wireless applications.

Parameter

Test Conditions

Min

Typ

Max

Units

Insertion Loss

0.5 – 1.0 GHz

1.0 – 2.5 GHz

0.4

0.4

dB

dB

Return Loss

0.5 – 2.5 GHz

25

dB

Isolation

0.5 – 1.0 GHz

1.0 – 2.5 GHz

33

30

dB

dB

Input power at 0.1dB compression point

1GHz

36

2nd Harmonic Level

1 GHz, Pin = +35 dBm, 100% Duty Cycle

-75

dBc

3rd Harmonic Level

1 GHz, Pin = +35 dBm, 100% Duty Cycle

-75

dBc

Switching speed : Trise, Tfall

Ton, Toff

10% to 90% RF and 90% to 10% RF

50% control to 90% RF and 50% control to 10%

RF

<0.3

<1.0

µs

µs

Control Current

1

µA

Note: External DC blocking capacitors are required on all RF ports (typ: 100pF)

ANT

V1

RF1

V2

RF2