Production
3.0
FMS2031-001
10 Watt GaAs Wide Band SPDT Switch
Features:
♦
♦
♦
♦
♦
♦
♦
♦
♦
3x3x0.9mm Packaged pHEMT Switch
Ideal for WiMax, L, S, and C-band
digital cellular, and WLAN applications
High isolation, 36dB typ at 3.5GHz
Low insertion loss, 0.5dB typ at 2.5GHz
Low insertion loss, 0.96dB typ at 6GHz
P1dB 42dBm at 5GHz
Operates from a single positive voltage
Less than 10µA control current at
35dBm input power
RoHS compliant
ANT
V1
V2
RF1
RF2
Functional Schematic
Description and Applications:
The FMS2031-001 is a 10 Watt, low loss, and single pole dual throw Gallium Arsenide antenna switch. The
die is fabricated using the Filtronic FL05 0.5µm switch process technology, which offers leading edge
performance optimised for switch applications. The FMS2031-001 is designed for use in WiMax, L, S, and C
band wireless applications and WLAN access points where high linearity switching is required.
Absolute Maximum Ratings:
Parameter
Max Input Power
Control Voltage
Operating Temperature
Storage Temperature
Symbol
Pin
V ctrl
T oper
T stor
Absolute Maximum
+42dBm
+6V
-40°C to +100°C
-55°C to +150°C
Note:
Exceeding any one of these absolute maximum ratings may cause permanent damage to the device.
Truth Table:
Switch
State
(A)
(B)
VC1
HIGH
LOW
VC2
LOW
HIGH
ANT– RF1
Insertion Loss
Isolation
ANT– RF2
Isolation
Insertion Loss
General Test Conditions:
Note:
External DC blocking capacitors are required on all RF ports (typ: 9pF)
All unused ports terminated in 50Ω.
High +2.7V to +6V
Low +0V to +0.2V
1
Specifications subject to change without notice
Filtronic Compound Semiconductors Ltd
Fax: +44 (0) 1325 306177
Email: sales@filcs.com
Tel: +44 (0) 1325 301111
Website:
www.filtronic.com
Production
3.0
FMS2031-001
Electrical Specifications:
Parameter
Insertion Loss
(T
AMBIENT
= 25°C, Vctrl = 0V/2.7V, Z
IN
= Z
OUT
= 50Ω)
Test Conditions
2.3 – 2.7 GHz
3.3 – 3.8 GHz
4.9 –5.9 GHz
2.3 – 2.7 GHz
Min
Typ
0.5
0.55
0.9
27.5
21.5
>tba
Max
0.6
0.7
Units
dB
Return Loss
3.3 – 3.8 GHz
4.9 –5.9 GHz
dB
Isolation
2.3 – 2.7 GHz
3.3 – 3.8 GHz
4.9 –5.9 GHz
2.3 – 2.7 GHz
30
30
32.5
35
23
39.5
38.5
38
41
41
41
∆
0.5
65
<300
<800
<5
10
dB
Input power at 0.1dB compression point
3.3 – 3.8 GHz
4.9 –5.9 GHz
2.3 – 2.7 GHz
dBm
Input power at 0.5dB compression point
3.3 – 3.8 GHz
4.9 –5.9 GHz
dBm
EVM (Contribution due to Switch)
IP3
Switching speed : T rise, T fall
T on, T off
Control Current
35dBm at 5.9GHz (OFDM WLAN 54)
+15dBm 1980MHz
+15dBm 1940MHz
10% to 90% RF and 90% to 10% RF
50% control to 90% RF and 50% control to 10% RF
+35dBm RF input @0.96GHz
%
dB
ns
ns
µA
2
Specifications subject to change without notice
Filtronic Compound Semiconductors Ltd
Fax: +44 (0) 1325 306177
Email: sales@filcs.com
Tel: +44 (0) 1325 301111
Website:
www.filtronic.com
Production
3.0
Typical Measured Performance on Evaluation Board (De-Embedded):
(Measurement Conditions V
CTRL
= 2.7V (high) & 0V (low), T
AMBIENT
= 25°C unless otherwise stated)
Insertion Loss vs Frequency
0.0
Isolation vs Frequency
-20
-0.5
-25
-1.0
(dB)
2.5
3.0
(GHz)
3.5
4.0
(dB)
-30
-1.5
-35
-2.0
2.0
-40
2.0
2.5
3.0
(GHz)
3.5
4.0
Return Loss vs Frequency
0
Variable
DB(|S(1,1)|)
DB(|S(2,2)|)
3rd Harmonic Level (0.9 GHz) vs Control Voltage
-50
-10
-55
-20
-30
(dBc)
-40
-50
2.0
2.5
3.0
(GHz)
3.5
4.0
-60
(dB)
-65
-70
-75
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
(V)
Power Loss* vs Input Power
2.0
1.5
(dB)
1.0
0.5
0.0
25.0
27.5
30.0
32.5
35.0
(dBm)
37.5
40.0
Power Loss*=(Large Signal Loss - Small Signal Loss)
Tel: +44 (0) 1325 301111
Specifications subject to change without notice
Filtronic Compound Semiconductors Ltd
Fax: +44 (0) 1325 306177
Email: sales@filcs.com
Website:
www.filtronic.com
3
Production
3.0
Pad Layout:
V1
ANT
V2
Pin Number
1
Description
N/C
N/C
N/C
RF2
N/C
N/C
V2
ANT RF
V1
N/C
N/C
RF1
GND
9
10
11
8
7
6
2
3
4
5
PADDLE
5
4
6
7
RF1
12
RF2
8
9
10
11
12
PADDLE
Pin 1
1
2
3
*View from the top of the package
QFN 12 Lead 3x3 Package Outline:
Tel: +44 (0) 1325 301111
Specifications subject to change without notice
Filtronic Compound Semiconductors Ltd
Fax: +44 (0) 1325 306177
Email: sales@filcs.com
Website:
www.filtronic.com
4
Production
3.0
Evaluation Board:
BOM
Label
C7
C5
C1
C6
C2
C3,C4
C1,C2,C7
C5,C6
Component
Capacitor, 470pF, 0603
Capacitor, 9pF, 0402
Capacitor, 47pF, 0402
C3
C4
BOARD
Preferred evaluation board material is 0.25 mm thick
ROGERS RT4350. All RF tracks should be 50 ohm
characteristic impedance.
Evaluation Board De-Embedding Data (Measured):
Insertion Loss vs Frequency
0.0
0
Return Loss vs Frequency
-10
-0.5
-20
(dB)
-1.0
(dB)
-30
-1.5
-40
V ariable
DB(|S (1,1)|) : C A LBO A RD_9P F
DB(|S (2,2)|) : C A LBO A RD_9P F
-2.0
2.0
2.5
3.0
(GHz)
3.5
4.0
-50
2.0
2.5
3.0
(GHz)
3.5
4.0
Tel: +44 (0) 1325 301111
Specifications subject to change without notice
Filtronic Compound Semiconductors Ltd
Fax: +44 (0) 1325 306177
Email: sales@filcs.com
Website:
www.filtronic.com
5
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