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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

FMS2018

SP7T GaAs Multi-Band GSM – UMTS Antenna Switch

Features:

Functional Schematic

♦ Available in die form

♦ Suitable for multi-band GSM/DCS/PCS/

EDGE and UMTS applications

♦ Excellent low control voltage performance

♦ Excellent harmonic performance under

GSM/DCS/PCS power levels

♦ Very high Tx-Rx isolation >35dB typ. at

1.8GHz

♦ Very high Tx-Tx isolation >30dB typ. at

1.8GHz

♦ Very low Tx Insertion loss

♦ Very low control current

Description and Applications:

The FMS2018 is a low loss, high power and linear single pole seven throw Gallium Arsenide antenna

switch designed for use in mobile handset applications. The die is fabricated using the Filtronic FL05

0.5

µm switch process technology which offers leading edge performance optimised for switch

applications.

The FMS2018 is designed for use in dual/tri and quad-band GSM handset antenna

switch modules and RF front-end modules.

Parameter

Test Conditions

Min

Typ

Max

Units

Tx Insertion Loss

0.5 – 1.0 GHz

1.0 – 2.0 GHz

0.5

0.6

dB

dB

Rx Insertion Loss

0.5 – 1.0 GHz

1.0 – 2.0 GHz

0.6

0.8

dB

dB

Return Loss

0.5 – 2.5 GHz

20

dB

Isolation

TX-RX

0.5 – 1.0 GHz

1.0 – 2.0 GHz

40

35

dB

dB

Isolation

TX-TX

0.5 – 1.0 GHz

1.0 – 2.0 GHz

33

30

dB

dB

2nd Harmonic Level

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

2 GHz, Pin = +33 dBm, 100% Duty Cycle

-75

-75

dBc

dBc

3rd Harmonic Level

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

2 GHz, Pin = +33 dBm, 100% Duty Cycle

-75

-75

dBc

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

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

ANT

TX3

VTX3

RX1

RX2

RX3

RX4

VRX1

VRX2

VRX3

VRX4

VRXC

TX1

VTX1

TX2

VTX2

ANT

TX3

VTX3

RX1

RX2

RX3

RX4

VRX1

VRX2

VRX3

VRX4

VRXC

TX1

VTX1

TX2

VTX2