FMS2022
Preliminary Data Sheet 2.2
DC–4 GHz MMIC SP4T Absorptive Switch
Features:
Functional Schematic
OUT1
GND OUT2
♦
♦
♦
♦
♦
Available as known good die
A2
B2
A1
B1
A4
Broadband performance
Low Insertion loss <1.4 dB at 4 GHz typical
High isolation >28 dB at 4 GHz typical
Absorptive switch
GND
GND
IN
B4
A3
B3
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 applications requiring multipath switching. 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
0.8
1.1
32
dB
dB
(DC-2) GHz
dB
Isolation
(2-4) GHz
28
dB
Return Loss (On state)
Return Loss (Off state)
Switching speed
P1dB
(DC-4) GHz
12
dB
(DC-4) GHz
12
dB
50% control to 10% / 90% RF
2.4GHz, Vctrl=-5V
25
ns
>30
dBm
Note: External DC decoupling capacitors are required on all DC lines (typ: 47pF)
DC blocking capacitors are NOT required on RF lines
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.com