Preliminary Data Sheet 2.1
FMS2007QFN
DC-6GHz DPDT Diversity Switch
Features:
♦ ♦ ♦ ♦ ♦ ♦ 3x3x0.9mm Packaged pHEMT Switch Very High Tx-Rx isolation Suitable for WLAN 802.11a and 802.11b/g Applications Filtronic Advanced GaAs pHEMT Technology Low Insertion Loss Excellent low control voltage performance
Functional Schematic
V4 TX / RF1 V3
ANT1 RF3
ANT2 RF4
V1
RX / RF2
V2
Description and Applications:
The FMS2007QFN is a low loss linear Double-Pole Double-Throw dual band diversity switch designed for use in WLAN applications. The die is fabricated using the Filtronic FL05 0.5µm switch process technology, which offers leading edge performance optimised for switch applications. Typical applications are for UNII, Hiperlan, 802.11a and 802.11b/g systems that employ two antennas for transmit and receive diversity.
Electrical Specifications:
Parameter
Insertion Loss Insertion Loss Return Loss Return Loss Tx-Rx Isolation Tx-Rx Isolation 2nd Harmonic Level 3rd Harmonic Level Switching speed
(TAMBIENT = 25°C,Vcntrl = 0V/(2.4,3.3V), ZIN = ZOUT = 50Ω)
Simulated Conditions
2.4GHz 6GHz 2.4GHz 6GHz 2.4GHz 6GHz 2.4, 6 GHz, Pin = 20dBm, Vctrl = 2.4V 2.4, 6 GHz, Pin = 20dBm, Vctrl =2.4V Vctrl=2.4V, Pin=20dBm
Min
Typ
0.9 1.15 18 15 -37 -25 -70 -70 30
Max
Units
dB dB dB dB dB dB dBc dBc nS
Note: External DC blocking capacitors are required on all RF ports (typ: 47pF)
1
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.co.uk/semis
Preliminary Data Sheet 2.1
FMS2007QFN
Absolute Maximum Ratings:
Parameter
Max Input Power Control Voltage Operating Temperature Storage Temperature
Symbol
Pin Vctrl Toper Tstor
Absolute Maximum
+36dBm +5V -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
1 2 3 4 5 6
V1
High Low Low Low Low High
V2
Low High Low Low High Low
V3
Low Low High Low Low High
V4
Low Low Low High High Low
RX ANT1
Insertion Loss Isolation Isolation Isolation Isolation Insertion Loss
RX ANT2
Isolation Insertion Loss Isolation Isolation Insertion Loss Isolation
TX ANT2
Isolation Isolation Insertion Loss Isolation Isolation Insertion Loss
TX ANT1
Isolation Isolation Isolation Insertion Loss Insertion Loss Isolation
General Test Conditions:
Bias Voltages Port Impedances Off arm termination
LOW = 0V to +0.2V HIGH +2.5V to +5.0V 50Ω 50Ω
2
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.co.uk/semis
Preliminary Data Sheet 2.1
FMS2007QFN
Typical Measured Performance on Evaluation Board (De-Embedded):
(Measurement Conditions VCTRL=3V, TAMBIENT = 25°C unless otherwise stated)
0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1 -1.1 -1.2 -1.3 -1.4 -1.5 0.5 1
FMS2007QFN INSERTION LOSS
0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1 -1.1 -1.2 -1.3 -1.4 -1.5 4.5
FMS2007QFN INSERTION LOSS 802 11a bands
dB
1.5 2 Frequency (GHz)
2.5
3
dB
5 Frequency (GHz)
5.5
6
-20 -25 -30 -35 dB -40 -45 -50 -55 -60 0.5
FMS2007QFN Tx to Rx ISOLATION
-10 -15 -20 dB -25 -30 -35 -40
FMS2007 Tx to Rx ISOLATION 802 11a bands
1
1.5 2 Frequency (GHz)
2.5
3
4.5
5 Frequency (GHz)
5.5
6
-10 -15 -20 dB -25 -30 -35 -40 0.5 1
FMS2007QFN RETURN LOSS
-10 -15 -20 dB -25 -30 -35 -40
FMS2007QFN RETURN LOSS 802 11a bands
1.5 2 Frequency (GHz)
2.5
3
4.5
5 Frequency (GHz)
5.5
6
3
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.co.uk/semis
Preliminary Data Sheet 2.1
FMS2007QFN
Pad Layout:
TX RF1 RX GND RF2
Pin Number
1
Description
N/C V2 V4 ANT1 / RF3 GND ANT2 / RF4 V1 V3 N/C RX / RF2 GND Tx / RF1 GND
Pin 1
12
11
10 9
2 3 4
V2 V4
2 3 4
PADDLE
C1
8 7
V3 V1
5 6 7 8
5
6
9 10 11
ANT1 GND ANT2 RF4 RF3
12 PADDLE
QFN 12 Lead 3*3 Package Outline:
4
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.co.uk/semis
Preliminary Data Sheet 2.1
FMS2007QFN
Evaluation Board:
BOM Label
C1
C1 C1
Component
Capacitor, 100pF, 0603 Capacitor, 47pF, 0402 Preferred evaluation board material is 0.25 mm thick ROGERS RT4350. All RF tracks should be 50 ohm characteristic impedance. Absolute placement of critical. surface mount de-coupling capacitors is not
C2 BOARD
C2
C2
C2 C2
C2
C2
C2
C2
C1
C1
Evaluation Board De-Embedding Data (Measured):
0 -0.1 -0.2 -0.3 -0.4 dB -0.5 -0.6 -0.7 -0.8 -0.9 -1 0.5 1
FMS2007QFN CAL BOARD INSERTION LOSS
-10 -12.5 -15 -17.5 -20 -22.5 dB -25 -27.5 -30 -32.5 -35 -37.5 -40
FMS2007QFN CAL BOARD RETURN LOSS
1.5
2
2.5 3 3.5 4 Frequency (GHz)
4.5
5
5.5
6
0.5
1
1.5
2
2.5 3 3.5 4 Frequency (GHz)
4.5
5
5.5
6
5
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.co.uk/semis
Preliminary Data Sheet 2.2
FMS2007QFN
Ordering Information:
Part Number
FMS2007-001 FMS2007-001-EB
Description
Packaged Die Packaged die mounted on evaluation board
Handling Precautions:
To avoid damage to the devices care should be exercised during handling. Proper Electrostatic Discharge (ESD) precautions should be observed at all stages of storage, handling, assembly, and testing. These devices should be treated as Class 1A (0-500V). Further information on ESD control measures can be found in MIL-STD-1686 and MIL-HDBK-263.
Preferred Assembly Instructions:
Please refer to FCSL applications note: FAN 003 (handling and assembly of Filtronic QFN devices)
Disclaimers:
This product is not designed for use in any space based or life sustaining/supporting equipment.
6
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.co.uk/semis
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