Preliminary Data Sheet
1.0
FMS2003 ES1
FMS2003 ES1
SP4T Reflective pHEMT MMIC Switch
Description
The FMS2003 is a linear high power Single-Pole Four-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 four RF ports
.
Features
路
路
路
路
路
路
Low insertion loss (0.5 dB @ 900 MHz)
Operation down to 2V
4 control lines. Single positive voltage supply
Low harmonics (Typical -67dBc 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
0.5
dB
2
0.6
dB
3
0.6
dB
1
35
dB
2
26
dB
1
-25
dB
2
-25
dB
3
-78
dBc
3
-72
dBc
3
3.2
mA
3
3.4
mA
Electrical Characteristics
Parameter
Insertion Loss
Isolation 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
RF4-Ant
Vctrl 1
High
Low
Low
Low
Vctrl 2
Low
High
Low
Low
Control Voltage
Vctrl 3
Low
Low
High
Low
Vctrl 4
Low
Low
Low
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 Ltd,
Heighington Lane Business Park, Newton Aycliffe, Co Durham. DL5 6JW.
Contact Details: Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email:
sales@filcs.com
Website:
www.filcs.com
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