FMS2022
Advanced Product Information 1.1
DC–4 GHz MMIC SP4T Absorptive Switch
Functional Schematic
OUT1
GND OUT2
Features:
A2
♦
♦
♦
♦
♦
Available in die form
B2
Suitable for WLAN Applications
Low Insertion loss <1.3 dB at 4 GHz typical
High isolation >30 dB at 4 GHz typical
Absorptive
A1
B1
A4
B4
A3
B3
GND
IN
GND
OUT4
GND OUT3
Description and Applications:
The FMS2022 is a low loss high isolation DC-4GHz single pole four throw Gallium Arsenide
absorptive switch designed for use in WLAN Applications. The die is fabricated using the Filtronic
FL05 0.5µm switch process technology that offers leading edge performance optimised for switch
applications.
Simulated Electrical Specifications: (TAMBIENT = 25°C, Vctrl = 0V/-5V), ZIN = ZOUT = 50Ω)
Parameter
Conditions
Min
Typ
Max
Units
Insertion Loss
Insertion Loss
Isolation
(DC-2) GHz
(2-4) GHz
1
dB
dB
1.3
45
30
17
12
25
17
24
28
(DC-2) GHz
dB
Isolation
(2-4) GHz
dB
Return Loss (On state)
Return Loss (Off state)
Switching speed
P1dB
(DC-4) GHz
dB
(DC-4) GHz
dB
50% control to 10% / 90% RF
(1-100) MHz
ns
dBm
dBm
dBm
P1dB
(100-500) MHz
(0.5-40) GHz
P1dB
Note: External DC decoupling capacitors are required on all DC lines (typ: 47pF)
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.filtronic.co.uk/semis