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| Preliminary Data Sheet 2.2 FMS2020QFN GaAs Multi-Purpose Wide Band SPDT Switch Features: 3x3x0.9mm Packaged pHEMT Switch Suitable for L, S, and C-band digital cellular, cordless telephony and WLAN applications High isolation, 25dB typ at 2.5GHz Low insertion loss, 0.5dB typ at 2.5GHz Low insertion loss, 1.0dB typ at 6GHz P0.1dB > 38dBm at 2GHz Functional Schematic ANT V1 V2 RF1 RF2 Description and Applications: The FMS2020QFN is a low loss, high power and linear single pole dual throw Gallium Arsenide antenna switch. The die is fabricated using the Filtronic FL05 0.5m switch process technology, which offers leading edge performance optimised for switch applications. The FMS2020QFN is designed for use in L, S, and C band wireless applications and WLAN access points where high linearity switching is required. Electrical Specifications: Parameter (TAMBIENT = 25C,Vctrl = 0V/2.5V, ZIN = ZOUT = 50) Test Conditions 0.5 - 1.0 GHz 1.0 - 2.0 GHz Min Typ 0.4 0.45 0.55 0.65 0.75 0.95 23 18 30 25 18 >38 >38 >37 >33 <-70 <-70 <0.3 <1.0 <10 Max Units dB dB dB dB dB dB dB dB dB dB dB dBm dBm dBm dBm dBc dBc s s A Insertion Loss 2.0 - 3.0 GHz 3.0 - 4.0 GHz 4.0 - 5.0 GHz 5.0 -6.0 GHz Return Loss 0.5 - 2.5 GHz 2.5 - 5.0 GHz 0.5 - 1.0 GHz 1.0 - 2.5 GHz 2.5 - 6.0 GHz 1.0 GHz Isolation Input power at 0.1dB compression point 2.0 GHz 2.5 GHz 6.0 GHz 2nd Harmonic Level 3rd Harmonic Level Switching speed : T rise, T fall T on, T off Control Current 1 GHz, Pin = +35 dBm, 100% Duty Cycle 1 GHz, Pin = +35 dBm, 100% Duty Cycle 10% to 90% RF and 90% to 10% RF 50% control to 90% RF and 50% control to 10% RF +35dBm RF input @1GHz Note: External DC blocking capacitors are required on all RF ports (typ: 100pF) All unused ports terminated in 50. 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 2.2 FMS2020QFN Absolute Maximum Ratings: Parameter Max Input Power Control Voltage Operating Temperature Storage Temperature Symbol Pin V ctrl T oper T stor Absolute Maximum +38dBm +5V -40C to +100C -55C to +150C 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: Bias Voltages Port Impedances Off arm termination LOW = 0V to 0.2V HIGH +2.5V to +5V 50 50 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 2.2 FMS2020QFN Typical Measured Performance on Evaluation Board (De-Embedded): (Measurement Conditions VCTRL = 2.5V (high) & 0V (low), TAMBIENT = 25C unless otherwise stated) 0 -0.1 -0.2 -0.3 -0.4 dB -0.5 -0.6 -0.7 -0.8 -0.9 -1 0.5 FMS2020QFN INSERTION LOSS DC to 3 Ghz 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 FMS2020QFN INSERTION LOSS 802 11a bands dB 1 1.5 2 Frequency (GHz) 2.5 3 5 Frequency (GHz) 5.5 6 -15 FMS2020QFN RF1 TO RF2 ISOLATION DC to 3Ghz -10 FMS2020QFN RF1 TO RF2 ISOLATION 802 11a bands -20 -15 dB dB -25 -20 -30 -25 -35 0.5 1 1.5 2 Frequency (GHz) 2.5 3 -30 4.5 5 Frequency (GHz) 5.5 6 -10 -15 -20 dB FMS2020QFN RETURN LOSS DC to 3Ghz -10 -15 -20 dB -25 -30 -35 -40 FMS2020QFN RETURN LOSS 802 11a bands -25 -30 -35 -40 0.5 1 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) 988 1845 Fax: +1 (408) 970 9950 Email: sales@filcsi.com Website: : www.filtronic.co.uk/semis Preliminary Data Sheet 2.2 FMS2020QFN Pad Layout: V1 ANT V2 Pin Number Description N/C N/C RF1 N/C N/C N/C RF2 N/C N/C V2 ANT RF V1 GND Pin 1 12 11 10 9 1 2 3 4 2 RF1 3 4 PADDLE 8 7 RF2 5 6 7 8 9 10 11 5 6 *View from the top of the package 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) 988 1845 Fax: +1 (408) 970 9950 Email: sales@filcsi.com Website: : www.filtronic.co.uk/semis Preliminary Data Sheet 2.2 FMS2020QFN Evaluation Board: BOM Label C3,C4 C1,C2 C5,C6 Component Capacitor, 470pF, 0603 Capacitor, 100pF, 0402 Capacitor, 47pF, 0402 Preferred evaluation board material is 0.25 mm thick BOARD ROGERS RT4350. All RF tracks should be 50 ohm characteristic impedance. Evaluation Board De-Embedding Data (Measured): 0 -0.1 -0.2 -0.3 -0.4 dB FMS2020QFN CAL BOARD INSERTION LOSSES -10 -12.5 -15 -17.5 -20 -22.5 dB -25 -27.5 -30 -32.5 -35 -37.5 -40 FMS2020QFN CAL BOARD MATCH -0.5 -0.6 -0.7 -0.8 -0.9 -1 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 5.5 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) 988 1845 Fax: +1 (408) 970 9950 Email: sales@filcsi.com Website: : www.filtronic.co.uk/semis Preliminary Data Sheet 2.2 FMS2020QFN Ordering Information: Part Number FMS2020-001 FMS2020-001-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) 988 1845 Fax: +1 (408) 970 9950 Email: sales@filcsi.com Website: : www.filtronic.co.uk/semis |
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