FMS2021
FMS2021 is SPDT WLAN GaAs Low Loss Switch manufactured by Filtronic.
Features
:
- -
- - Suitable for Multi-band WLAN Applications Excellent low control voltage performance Very low Insertion loss <0.7 d B at 6GHz typical High isolation >25 d B at 6GHz typical
V4 ANT1 ANT2
Functional Schematic
V2 TX RX V3
V1
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 0.5µm switch process technology that offers leading edge performance, optimised for switch applications.
Simulated Electrical Specifications:
Parameter
Insertion Loss (All Paths) Isolation (All Paths) Return Loss 2nd Harmonic Level 3rd Harmonic Level Switching speed P1d B
(TAMBIENT = 25°C,Vctrl = 0V/(2.4V,+3.3V), ZIN = ZOUT = 50Ω)
Conditions
(0.5-6) GHz, Small Signal (0.5-6) GHz, Small Signal (0.5-6) GHz, Small Signal 3 GHz, Pin = 20d Bm, Vctrl =2.4V 3 GHz, Pin = 20d Bm, Vctrl =2.4V Vctrl=2.4V, Pin=20d Bm Measured at 2.4V control
Min
Typ
0.7 25 20 -70 -70 30 30
Max
Units d B d B d B d Bc d Bc ns d Bm
Note: External DC blocking capacitors are required on all RF ports (typ: 47p F)
Preliminary specifications subject to change without notice Filtronic pound Semiconductors Ltd Contact Details (UK): Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: sales@filcs. Contact Details (USA): Tel: +1 (408) 850 5790 Fax: +1 (408) 850 5766 Email: sales@filcsi. Website: .filcs.
Advanced Product Information 1.1
Truth Table:
State
1 2 3 4 5 6
Vctrl1
HIGH LOW LOW LOW LOW HIGH
Vctrl2
LOW HIGH LOW LOW HIGH LOW
Vctrl3
LOW LOW HIGH LOW LOW HIGH
Vctrl4
LOW LOW LOW HIGH HIGH LOW
ON PATH(S)
ANT1-RX ANT2-RX ANT2-TX ANT1-TX ANT1-TX and ANT2-RX ANT1-RX and ANT2-TX
Note:
‘High’...
