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| Preliminary PHEMT GaAs IC High Linearity 3 V T/R SPDT Switch 0.1-2.5 GHz AS217-000 Applications T/R Switch for Handset Applications Outline Drawing 0.003 (0.078 mm) 0.008 (0.215 mm) 0.020 (0.507 mm) 0.026 (0.653 mm) V1 ANT 0.018 (0.464 mm) 0.015 (0.392 mm) TX 0.026 (0.653 mm) 0.029 (0.730 mm) Features +2.7 to +5 V Linear Operation Harmonics H2, H3 > 70 dBc @ PIN = 34.5 dBm Low TX Insertion Loss (0.25 dB @ 0.9 GHz) High RX Isolation (35 dB @ 0.9 GHz) 0.0030 (0.077 mm) 0.000 0.000 0.020 (0.505 mm) 0.017 (0.428 mm) 0.016 (0.405 mm) V2 GND RX 0.009 (0.235 mm) Description The AS217-000 is a PHEMT GaAs FET IC high linearity SPDT switch. This switch has been designed for use where extremely high linearity, low control voltage, high RX isolation and low TX insertion loss. It can be controlled with positive, negative or a combination of both voltages. Some standard implementations include antenna changeover, T/R and diversity switching over 3 W. The AS217-000 switch can be used in many analog and digital wireless communication systems including cellular, GSM and DECT applications. Dimension in inches (mm). Thickness: 0.008 (0.200 mm) 0.001 (0.025 mm). Tolerance: 0.001 (0.025 mm). Electrical Specifications at 25C (0, +3 V) Parameter1 Insertion Loss2 Condition Ant-RX Frequency 0.1-1.0 GHz 1.0-2.0 GHz 2.0-2.5 GHz 0.1-1.0 GHz 1.0-2.0 GHz 2.0-2.5 GHz 0.1-1.0 GHz 1.0-2.0 GHz 2.0-2.5 GHz 0.1-1.0 GHz 1.0-2.0 GHz 2.0-2.5 GHz 0.1-2.5 GHz Min. 0.20 0.25 0.40 0.10 0.20 0.35 34 25 20 20 14 10 Typ. 0.30 0.35 0.50 0.25 0.30 0.40 36 30 24 27 17 14 1.2:1 1.3:1 Max. 0.35 0.50 0.65 0.30 0.45 0.50 Unit dB dB dB dB dB dB dB dB dB dB dB dB dB Ant-TX Isolation Ant-RX Ant-TX VSWR3 Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 10/02A 1 PHEMT GaAs IC High Linearity 3 V T/R SPDT Switch 0.1-2.5 GHz AS217-000 Operating Characteristics at 25C (0, +3 V) Parameter Switching Characteristics4 Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 0/+3 V PIN = 34.5 dBm 0.9 GHz 0.9 GHz Frequency Min. Typ. 60 100 50 +35 +70 Max. Unit ns ns mV dBm dBc Input Power for -0.1 dB Compression Harmonics H2, H3 (Transmit State) Control Voltages VLow = 0 to 0.2 V @ 20 A Max. VHigh = +2.7 V @ 100 A Max. to +5 V @ 200 A Max. 3. Insertion loss state. 4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. 1. All measurements made in a 50 system, unless otherwise specified. 2. Insertion loss changes by 0.003 dB/C. Typical Performance Data (0, +3 V) 0 -0.1 -0.2 -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1.0 0 0.5 1.0 1.5 2.0 2.5 3.0 Ant-RX Ant-TX 0 -5 -10 Insertion Loss (dB) Isolation (dB) -15 -20 -25 -30 -35 -40 -45 -50 0 0.5 1.0 1.5 Ant-TX TX-RX Ant-RX 2.0 2.5 3.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency 1.6 1.5 1.4 Isolation vs. Frequency Absolute Maximum Ratings Characteristic RF Input Power Value 4 W > 500 MHz 0/+6 V Control -0.2 V, +6 V -40C to +85C -65C to +150C VSWR 1.3 RX-S22 1.2 1.1 1.0 0.5 1.0 TX-S11 1.5 TX-S22 2.0 2.5 3.0 RX-S11 Control Voltage Operating Temperature Storage Temperature Frequency (GHz) VSWR vs. Frequency 2 Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 10/02A PHEMT GaAs IC High Linearity 3 V T/R SPDT Switch 0.1-2.5 GHz AS217-000 Truth Table V1 VHigh 0 VHigh = +2.7 to +5 V. Pin Out V2 0 VHigh Ant-RX Isolation Insertion Loss Ant-TX Insertion Loss Isolation GND V2 ANT V1 RX TX Note: Bond pad metalization: gold. Bond pad dimensions: 0.003 (0.075 mm) x 0.003 (0.075 mm). Back side metalization: none. See application note, Handling GaAs MMIC Die. Skyworks Solutions, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 10/02A 3 |
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