FMS2028
Preliminary Datasheet v2.1
SP6T GaAs Multi-Band GSM Antenna Switch
FEATURES:
FUNCTIONAL SCHEMATIC:
•
•
•
•
•
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Available in die form
ANT
Very low Tx Insertion loss
High Tx-Rx isolation >45dB typ. at 1.8GHz
High Tx-Tx isolation >30dB typ. at 1.8GHz
Excellent low control voltage performance
Excellent harmonic performance
RX1
VRX1
TX1
RX2
VTX1
VRX2
TX2
RX3
GENERAL DESCRIPTION:
VTX2
VRX3
FMS2028 is a low loss, high power single
pole six throw Gallium Arsenide antenna
switch. The die is fabricated using the
Filtronic FL05 0.5µm switch process
technology that offers leading edge
RX4
VRX4
VM
performance
optimised
for
switch
applications. FMS2028 is designed for use
in dual-, tri- and quad-band GSM handset
antenna switch and RF front-end modules.
TYPICAL APPLICATIONS:
Suitable for multi-band
GSM/DCS/PCS/EDGE applications
•
ELECTRICAL SPECIFICATIONS:
(1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Tx Insertion Loss
0.9 GHz
1.8 GHz
0
0
0.4
0.55
0.6
dB
dB
0.41
Rx Insertion Loss
Return Loss
0.9 GHz
1.8 GHz
0
0
0.73
1.0
1
dB
dB
1.2
0.5 – 2.5 GHz
––
23
––
dB
Isolation
(TX-TX)
0.9 GHz
1.8 GHz
26
28.5
21
55
45
dB
dB
19.5
Isolation
(TX-RX)
0.9 GHz
1.8 GHz
42
37
47
42
55
55
dB
dB
Isolation
(RX-RX)
0.5 – 1.0 GHz
1.0 – 2.0 GHz
26
20
28
22
––
––
dB
dB
P0.1dB
0.9 GHz, CW
––
37
––
dBm
2nd Harmonic Level
0.9 GHz, Pin = +35 dBm, CW (2)
1.8 GHz, Pin = +33 dBm, CW (2)
-100
-100
-80
-80
-70
-70
dBc
dBc
3rd Harmonic Level
Switching speed
0.9 GHz, Pin = +35 dBm, CW (2)
1.8 GHz, Pin = +33 dBm, CW (2)
-100
-100
-68
-72
-65
-65
dBc
dBc
10% to 90% RF and 90% to 10% RF, Pin = 0 dBm
––
––
0.3
µs
50% control to 90% RF and 50% control to 90% RF,
Pin = 0 dBm
––
––
1
µs
Control Current
Vctrl = 0 / 2.7 V, Pin = 35 dBm, 0.9 GHz
Vctrl = 0 / 2.7 V, Pin = 0 dBm, 1.8 GHz
0.01
0.01
12
40
4
µA
µA
1.3
Note 1: TAMBIENT = 25°C, Vctrl = 0V/2.7V, ZIN = ZOUT = 50Ω
Note 2: Measured harmonic values are dependant upon system termination impedances at the harmonic
frequency
1
Preliminary specifications subject to change without notice
Filtronic Compound Semiconductors Ltd
Tel: +44 (0) 1325 301111
Fax: +44 (0) 1325 306177
Email: sales@filcs.com
Website: www.filtronic.com