Preliminary Data Sheet
2.2
FMS2001QFN
SPDT Reflective pHEMT MMIC Switch
Description
The FMS2001QFN is a low loss linear Single-Pole Double-Throw Antenna Switch
designed for use in mobile handset applications. The switch is designed with one antenna
port that can be routed to any one of the two RF ports.
Features
•
•
•
•
•
•
•
Low insertion loss (0.6dB @ 900 MHz)
Operation down to 2V control
2 control lines. Single positive voltage supply
Low harmonics (Typical -70dBc at Pin=+34.5dBm)
High Isolation (30 dB @ 900 MHz)
Low cost QFN 12 lead 3*3 package
Filtronic Advanced GaAs 0.5 µm pHEMT Technology
(at 25C°, [Vc 0,+2.7V], 50Ω system, CW )
Symbol
Condition
Min.
Typ.
Max.
1
0.5
IL
2
0.6
3
0.5
1
35
ISO
2
25
S11
1
-23
S11
2
-15
2fo
3
-70
3fo
3
-70
I
lkTx
3
2
I
lkRx
3
2
Unit
dB
dB
dB
dB
dB
dB
dB
dBc
dBc
µA
µA
Electrical Characteristics
Parameter
Insertion Loss
Isolation –
RF – Ant on.
S11
S11
Harmonics
Leakage Current - Tx
Leakage Current – Rx
Condition
1
Small signal, DC – 1GHz, Vc = 2.7V/0V
2
Small signal, 1-2 GHz, Vc = 2.7V/0V
3
Input power=34.5dBm, EGSM Tx 880-915MHz, Vc=2.7V/0V
GaAs MMIC’s are ESD sensitive devices. Special handling precautions are required.
Truth Table
Operation
RF1-ANT
RF2-ANT
Control Voltage
V1
HIGH
0
V2
0
HIGH
Control Levels
Control
HIGH
LOW
Typ.
+2.7 to +5.0V
0.0 to +0.2V
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
FILTRONIC [ FILTRONIC COMPOUND SEMICONDUCTORS ]
