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| Preliminary Data Sheet 1.0 FMS2002QFN ES1 SP3T Reflective pHEMT MMIC Switch Description The FMS2002QFN is a linear high power Single-Pole Three-Throw MMIC Antenna Switch designed for use in Dual-band handsets GSM900 and GSM1800/1900 combinations. The switch is designed with one antenna port that can be routed to any one of the three RF ports. Features * * * * * * Low insertion loss (0.5dB @ 900 MHz) Operation down to 2V control 3 control lines. Single positive voltage supply Low harmonics (Typical -73dBc at Pin=+34.5dBm) High Isolation (30 dB @ 900 MHz) Filtronic Advanced GaAs pHEMT Technology (at 25C, [Vctrl 0,+2.7V], 50 Ohm system, under CW ) Condition Min. Typ. Max. Unit 1 0.45 dB 2 0.55 dB 3 0.5 dB 1 35 dB 2 26 dB 1 -25 dB 2 -18 dB 3 -74 dBc 3 -73 dBc 3 2.9 mA 3 3.2 mA Electrical Characteristics Parameter Insertion Loss Isolation - RF - Ant on. S11 S11 Harmonics Symbol IL ISO S11 S11 2fo 3fo IlkTx IlkRx Leakage Current - Tx Leakage Current - Rx Condition 1 Small signal, DC - 1GHz, Vctrl = 2.7V/0V 2 Small signal, 1-2 GHz, Vctrl = 2.7V/0V 3 Input power=34.5dBm, EGSM Tx 880-915MHz, Vctrl=2.7V/0V GaAs MMIC's are ESD sensitive devices. Special handling precautions are required. Truth Table Operation RF1-Ant RF2-Ant RF3-Ant Vctrl 1 HIGH 0 0 Control Voltage Vctrl 2 0 HIGH 0 Vctrl 3 0 0 HIGH Control values Control High Low Min Typ. 2.7 0.0 Max Unit V V Preliminary specifications subject to change without notice Filtronic Compound Semiconductors (UK) Contact Details: Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: sales@filcs.com (USA) Contact Details: Tel: 001 (408) 988 1845 Fax: 001 (408) 970 9950 Email: sales@filss.com World Website: www.filcs.com Preliminary Data Sheet 1.0 FMS2002QFN ES1 Typical Jig Measurements Harmonic Rejection vs. Control Voltage 2nd Harmonic -60 -62 -64 -66 -68 -70 -72 -74 -76 1.7 1.9 2.1 2.3 2.5 2.7 Control Voltage (V) 2.9 1.8 2 3rd Harmonic Harmonic Rejection (dBc) Pin = 34.5 dBm @ 900 MHz Insertion Loss vs. Frequency 0 -0.1 -0.2 Insertion Loss (dB) -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1 0.3 0.8 1.3 Frequency (GHz) Isolation vs. Frequency 0 -5 Isolation (dB) -15 -25 -35 -45 0.3 0.8 1.3 Frequency (GHz) 1.8 2 Preliminary specifications subject to change without notice Filtronic Compound Semiconductors (UK) Contact Details: Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: sales@filcs.com (USA) Contact Details: Tel: 001 (408) 988 1845 Fax: 001 (408) 970 9950 Email: sales@filss.com World Website: www.filcs.com Preliminary Data Sheet 1.0 FMS2002QFN ES1 Connection on Board* RF1 RF3 V3 RF2 V1 ANT V2 SP3T Bonding Configuration Pad Number 1 2 3 4 5 6 7 RF input port 1 RF input port 2 DC Control line 2 RF input port 3 DC Control line 1 Antenna DC Control line 3 Port RF 1 RF 2 Vctrl 2 RF 3 Vctrl 1 ANT Vctrl 3 Symbol * RF4, RF 5, V4 and V5 lines are unused. Bonding Pad Layout ANT Pin 11 Pin 10 Pin 12 V3Pin 9 RF3 Pin 8 Pin 1 V1 Pin 2 RF1 Pin 6 V2 Pin 5 RF2 Suggested Application Board Layout PCB material: FR4 90 deg SMA connector 0603 100pF surface mount ceramic capacitors All transmission lines 50 ohm 90 deg SMA connectors 90 deg SMA connectors 0603 100pF surface mount ceramic capacitors 90 deg SMA connector Generic SPDT, 3T and 4T Evaluation Board Layout Preliminary specifications subject to change without notice Filtronic Compound Semiconductors (UK) Contact Details: Tel: +44 (0) 1325 301111 Fax: +44 (0) 1325 306177 Email: sales@filcs.com (USA) Contact Details: Tel: 001 (408) 988 1845 Fax: 001 (408) 970 9950 Email: sales@filss.com World Website: www.filcs.com |
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