Preliminary Data Sheet
1.0
FMS2002QFN ES1
SP3T Reflective pHEMT MMIC Switch
Description
The FMS2002QFN is a linear high power Single-Pole Three-Throw
MMIC Antenna Switch designed for use in Dual-band handsets
GSM900 and GSM1800/1900 combinations. The switch is designed
with one antenna port that can be routed to any one of the three RF
ports
.
Features
路
路
路
路
路
路
Low insertion loss (0.5dB @ 900 MHz)
Operation down to 2V control
3 control lines. Single positive voltage supply
Low harmonics (Typical -73dBc at Pin=+34.5dBm)
High Isolation (30 dB @ 900 MHz)
Filtronic Advanced GaAs pHEMT Technology
(at 25C擄, [V
ctrl
0,+2.7V], 50 Ohm system, under CW )
Condition
Min.
Typ.
Max.
Unit
1
0.45
dB
2
0.55
dB
3
0.5
dB
1
35
dB
2
26
dB
1
-25
dB
2
-18
dB
3
-74
dBc
3
-73
dBc
3
2.9
mA
3
3.2
mA
Electrical Characteristics
Parameter
Insertion Loss
Isolation 鈥?/div>
RF 鈥?Ant on.
S11
S11
Harmonics
Symbol
IL
ISO
S11
S11
2fo
3fo
I
lkTx
I
lkRx
Leakage Current - Tx
Leakage Current 鈥?Rx
Condition
1
Small signal, DC 鈥?1GHz, Vctrl = 2.7V/0V
2
Small signal, 1-2 GHz, Vctrl = 2.7V/0V
3
Input power=34.5dBm, EGSM Tx 880-915MHz, Vctrl=2.7V/0V
GaAs MMIC鈥檚 are ESD sensitive devices. Special handling precautions are required.
Truth Table
Operation
RF1-Ant
RF2-Ant
RF3-Ant
Vctrl 1
HIGH
0
0
Control Voltage
Vctrl 2
0
HIGH
0
Vctrl 3
0
0
HIGH
Control values
Control
High
Low
Min
-
-
Typ.
2.7
0.0
Max
-
-
Unit
V
V
Preliminary specifications subject to change without notice
Filtronic Compound Semiconductors
(
UK)
Contact Details: Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email:
sales@filcs.com
(USA) Contact Details: Tel: 001 (408) 988 1845 Fax: 001 (408) 970 9950 Email:
sales@filss.com
World Website:
www.filcs.com
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