FMS2007QFN Preliminary Data Sheet 2.1 DC-6GHz DPDT Diversity Switch Features: ♦ ♦ ♦ ♦ ♦ ♦ Functional Schematic 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 V4 TX / RF1 V3 ANT2 RF4 ANT1 RF3 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: (TAMBIENT = 25°C,Vcntrl = 0V/(2.4,3.3V), ZIN = ZOUT = 50Ω) Parameter Simulated Conditions Min Typ Max Insertion Loss 2.4GHz 0.9 dB Insertion Loss 6GHz 1.15 dB Return Loss 2.4GHz 18 dB Return Loss 6GHz 15 dB Tx-Rx Isolation 2.4GHz -37 dB Tx-Rx Isolation 6GHz -25 dB 2nd Harmonic Level 2.4, 6 GHz, Pin = 20dBm, Vctrl = 2.4V -70 dBc 3rd Harmonic Level 2.4, 6 GHz, Pin = 20dBm, Vctrl =2.4V -70 dBc Switching speed Vctrl=2.4V, Pin=20dBm 30 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: [email protected] Contact Details (USA): Tel: +1 (408) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis Units FMS2007QFN Preliminary Data Sheet 2.1 Absolute Maximum Ratings: Parameter Symbol Absolute Maximum Max Input Power Pin +36dBm Control Voltage Vctrl +5V Operating Temperature Toper -40°C to +100°C Storage Temperature Tstor -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 V1 V2 V3 V4 RX ANT1 RX ANT2 TX ANT2 TX ANT1 1 High Low Low Low Insertion Loss Isolation Isolation Isolation 2 Low High Low Low Isolation Insertion Loss Isolation Isolation 3 Low Low High Low Isolation Isolation Insertion Loss Isolation 4 Low Low Low High Isolation Isolation Isolation Insertion Loss 5 Low High Low High Isolation Insertion Loss Isolation Insertion Loss 6 High Low High Low Insertion Loss Isolation Insertion Loss Isolation General Test Conditions: LOW = 0V to +0.2V Bias Voltages HIGH +2.5V to +5.0V Port Impedances 50Ω Off arm termination 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: [email protected] Contact Details (USA): Tel: +1 (408) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis FMS2007QFN Preliminary Data Sheet 2.1 Typical Measured Performance on Evaluation Board (De-Embedded): 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 dB dB (Measurement Conditions VCTRL=3V, TAMBIENT = 25°C unless otherwise stated) 0.5 1 1.5 2 Frequency (GHz) 2.5 3 4.5 5 5.5 6 Frequency (GHz) FMS2007QFN Tx to Rx ISOLATION -20 FMS2007QFN INSERTION LOSS 802 11a bands 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 FMS2007 Tx to Rx ISOLATION 802 11a bands -10 -25 -15 -30 -20 dB dB -35 -40 -45 -25 -30 -50 -35 -55 -40 -60 0.5 1 2.5 4.5 3 5 5.5 6 Frequency (GHz) FMS2007QFN RETURN LOSS -10 FMS2007QFN RETURN LOSS 802 11a bands -10 -15 -15 -20 -20 dB dB 1.5 2 Frequency (GHz) -25 -25 -30 -30 -35 -35 -40 -40 0.5 1 1.5 2 Frequency (GHz) 2.5 3 4.5 5 5.5 Frequency (GHz) 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: [email protected] Contact Details (USA): Tel: +1 (408) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis 6 FMS2007QFN Preliminary Data Sheet 2.1 Pad Layout: TX RF1 Pin 1 RX GND RF2 12 11 10 9 V2 V4 PADDLE 2 8 V3 C1 7 3 4 5 V1 6 ANT1 GND ANT2 RF4 RF3 Pin Number Description 1 N/C 2 V2 3 V4 4 ANT1 / RF3 5 GND 6 ANT2 / RF4 7 V1 8 V3 9 N/C 10 RX / RF2 11 GND 12 Tx / RF1 PADDLE GND 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: [email protected] Contact Details (USA): Tel: +1 (408) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis FMS2007QFN Preliminary Data Sheet 2.1 Evaluation Board: BOM C1 C1 Label Component C1 Capacitor, 100pF, 0603 C2 Capacitor, 47pF, 0402 BOARD C2 C2 C2 Preferred evaluation board material is 0.25 mm thick ROGERS RT4350. All RF tracks C2 should be 50 ohm characteristic impedance. C2 C2 Absolute placement of surface mount de-coupling capacitors is not C2 C2 critical. C1 C1 Evaluation Board De-Embedding Data (Measured): FMS2007QFN CAL BOARD INSERTION LOSS 0 -12.5 -0.1 -15 -0.2 -17.5 -0.3 -20 -0.4 -22.5 dB dB FMS2007QFN CAL BOARD RETURN LOSS -10 -0.5 -25 -27.5 -0.6 -30 -0.7 -32.5 -0.8 -35 -0.9 -37.5 -1 -40 0.5 1 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 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: [email protected] Contact Details (USA): Tel: +1 (408) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis 5.5 6 Preliminary Data Sheet 2.2 FMS2007QFN Ordering Information: Part Number Description FMS2007-001 Packaged Die FMS2007-001-EB 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: [email protected] Contact Details (USA): Tel: +1 (408) 850 5790 Fax: +1 (408) 850 5766 Email: [email protected] Website: www.filtronic.co.uk/semis