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| PHEMT GaAs IC Transfer Switch DC-2 GHz AS172-73 Features High Linearity (+50 dBm IP3 @ 0.9 GHz) @3V Low Insertion Loss (0.4 dB @ 0.9 GHz) Isolation (20 dB @ 0.9 GHz) Simultaneous T/R Switching SOT-6 0.074 (1.90 mm) Ref. Pin 6 Pin 1 Indicator Pin 1 0.020 (0.51 mm) 0.014 (0.350 mm) 0.057 (1.45 mm) 0.035 (0.90 mm) 0.126 (3.20 mm) 0.087 (2.20 mm) 0.071 (1.80 mm) 0.052 (1.30 mm) 0.037 (0.95 mm) Ref. 0.012 (0.30 mm) Typ. 0.014 (0.26 mm) 0.004 (0.10 mm) Description The AS172-73 is a PHEMT GaAs IC 4 port switch designed to combine T/R and antenna changeover switching capability within one device. This switch has two controls and is ideal for applications requiring low power consumption. The AS172-73 has excellent performance to 2 GHz making it suitable for dual-band handset designs. 0.006 (0.15 mm) 0.000 (0.00 mm) 5.0 1 5.0 1 0.122 (3.10 mm) 0.106 (2.70 mm) 0.022 (0.61 mm) 0.004 (0.10 mm) Electrical Specifications at 25C (0, +3 V) TX-J1 or RX-J1 Parameter1 Insertion Loss3 Frequency2 DC-0.5 GHz DC-1.0 GHz DC-2.0 GHz DC-0.5 GHz DC-1.0 GHz DC-2.0 GHz DC-1.0 GHz DC-2.0 GHz 23 16 11 Min. Typ. 0.30 0.40 0.95 25 18 13 1.1:1 1.4:1 Max. 0.40 0.50 1.20 Unit dB dB dB dB dB dB Isolation VSWR4 Operating Characteristics at 25C (0, +3 V) Parameter Switching Characteristics5 Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 0/+3 V For Two-tone Input Power +15 dBm 0/+3 V 30 dBm 30 dBm 0.5-2.0 GHz 0.5-2.0 GHz 1.0 GHz 1.0 GHz Frequency Min. Typ. 50 100 50 +34 +50 +72 +65 Max. Unit ns ns mV dBm dBm dBc dBc Input Power for 1 dB Compression Intermodulation Intercept Point (IP3) 2nd Harmonic 3rd Harmonic Control Voltages VLow = 0 to 0.2 V @ 20 A Max. VHigh = +3 V @ 100 A Max. to +5 V @ 200 A Max. VS = VHigh 0.2 V 1. All measurements made in a 50 system, unless otherwise specified. 2. DC = 300 kHz. 3. Insertion loss changes by 0.003 dB/C. 4. Insertion loss state. 5. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 10/99A 1 PHEMT GaAs IC Transfer Switch DC-2 GHz AS172-73 Typical Performance Data (0, +3 V) 1.2 45 40 Insertion Loss (dB) 1.0 0.8 0.6 0.4 0.2 0 0 0.5 1.0 1.5 2.0 2.5 Isolation (dB) 35 30 25 20 15 10 0 0.5 1.0 1.5 2.0 2.5 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 2 W > 500 MHz 0/+7 V Control -0.2 V, +8 V -40C to +85C -50C to +150C 25C/W VSWR 1.3 1.2 1.1 1.0 0 0.5 1.0 1.5 2.0 2.5 Control Voltage Operating Temperature Storage Temperature JC Frequency (GHz) VSWR vs. Frequency Truth Table Negative Operation V1 0 -3 V2 -3 0 TX-J2, RX-J1 Insertion Loss Isolation TX-J1, RX-J2 Isolation Insertion Loss Pin Out Positive Operation External Antenna J2 CBL V2 CBL RX V1 CBL J1 Internal Antenna 1 2 6 5 Positive Operation V1 VHigh 0 V2 0 VHigh TX-J2, RX-J1 Insertion Loss Isolation TX-J1, RX-J2 Isolation Insertion Loss VS TX 3 4 CBL 10 k VHigh = +3 to +8 V (VS = VHigh 0.2 V). DC blocking capacitors (CBL) and biasing resistor must be supplied externally for positive voltage operation. CBL = 100 pF for operation >500 MHz. 2 Skyworks Solutions, Inc. [781] 376-3000 * Fax [781] 376-3100 * Email sales@skyworksinc.com * www.skyworksinc.com Specifications subject to change without notice. 10/99A |
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