GaAs IC Transfer Switch DC–2 GHz AS126-62 Features SSOP-8 ■ High Linearity (IP3 45 dBm @ 0.9 GHz) ■ Low Insertion Loss (0.6 dB @ 0.9 GHz) 0.220 (5.60 mm) 0.197 (5.00 mm) ■ Simultaneous T/R Switching 0.323 (8.20 mm) 0.291 (7.40 mm) PIN 1 INDICATOR Description The AS126-62 is a 4 port switch designed to combine T/R and antenna changeover switching capability within one device. This switch has two DC voltage controls and is ideal for -5 V applications having low power consumption requirements. The AS126-62 is suitable for cellular wireless communication applications. 0.0256 (0.65 mm) TYP. 0.129 (3.30 mm) 0.106 (2.70 mm) R 0.004 (0.10 mm) MIN. 0.079 (2.0 mm) REF. R 0.004 (0.10 mm) MIN. 0˚–8˚ A C A SEATING 0.008 (0.20 mm) 0.010 (0.25 mm) BSC PLANE 0.002 (0.05 mm) GAGE PLANE 0.038 (0.97 mm) 0.012 (0.30 mm) REF. 0.022 (0.56 mm) Electrical Specifications at 25°C (0, -5 V) Parameter1 Insertion Frequency2 Loss3 Min. DC–0.5 GHz DC–1.0 GHz DC–2.0 GHz Isolation4 DC–0.5 GHz DC–1.0 GHz DC–2.0 GHz VSWR5 DC–1.0 GHz DC–2.0 GHz 19 13 8 Typ. Max. Unit 0.55 0.6 1.3 0.6 0.7 1.6 dB dB dB 26 15 11 dB dB dB 1.1:1 1.3:1 1.5:1 1.8:1 Typ. Max. Operating Characteristics at 25°C (0, -5 V) Parameter Condition Characteristics6 Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru Intermodulation Intercept Point (IP3) For Two-tone Input Power +0 dBm Switching Input Power For 1 dB Compression (TX) Control Voltages Frequency Min. 20 40 50 Unit ns ns mV 0.5–2.0 GHz +45 dBm 0.5–2.0 GHz +33 dBm VLow = 0 to -0.2 V @ 10 µA Max. VHigh = -5 V @ 25 µA to -10 V @ 100 µA Max. 1. All measurements made in a 50 ohm system, unless otherwise specified. 2. DC = 300 kHz. 3. Insertion loss changes by 0.003 dB/°C. 4. Any state. 5. Insertion loss state. 6. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/98A 1 GaAs IC Transfer Switch DC–2 GHz AS126-62 Typical Performance Data (0, -5 V) 50 1.2 40 1.0 30 dB dB 1.4 0.8 20 0.6 10 0.4 0 DC 0.5 1.0 1.5 DC 2.0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Isolation vs. Frequency 1.5 Absolute Maximum Ratings Characteristic 1.4 4 W > 0.5 GHz 0/-5 V Control Control Voltage +0.2 V, -10 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to 150°C 1.3 1.2 1.1 Value RF Input Power ΘJC 25°C/W Note: Exceeding these parameters may cause irreversible damage. 1.0 DC 0.5 1.0 1.5 2.0 Pin Out Frequency (GHz) VSWR vs. Frequency -5 Insertion Loss Isolation 0 Isolation Insertion Loss V1 5 0 -5 J2 GND 6 TX–J1 RX–J2 J1 7 TX–J2 RX–J1 8 V2 4 V1 3 2 V2 2 Truth Table 1 TX GND RX Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 3/98A