PHEMT GaAs IC SPDT Switch DC–3 GHz AS179-92 Features SC-70 6 Lead ■ P1 dB +30 dBm Typical @ +3 V 0.079 (2.00 mm) ± 0.008 (0.20 mm) ■ IP3 43 dBm Typical @ +3 V ■ Low Insertion Loss (0.3 dB @ 0.9 GHz) ■ Low DC Power Consumption ■ Ultra Miniature SC-70 6 Lead Package ■ PHEMT Process 0.0256 (0.65 mm) BSC 0.087 (2.20 mm) ± 0.008 (0.20 mm) 0.049 (1.25 mm) ± 0.004 (0.10 mm) 0.009 (0.23 mm) REF PIN 1 INDICATOR 0.035 (0.90 mm) ± 0.004 (0.10 mm) 0.0055 (0.14 mm) ± 0.0015 (0.04 mm) Description The AS179-92 is an IC FET SPDT switch in a low cost miniature SC-70 6 lead plastic package. The AS179-92 features low insertion loss and positive voltage operation with very low DC power consumption. This general purpose switch can be used in a variety of telecommunications applications. 0.010 (0.25 mm) ± 0.006 (0.15 mm) 0.002 (0.005 mm) ± 0.002 (0.005 mm) 0.037 (0.95 mm) ± 0.006 (0.15 mm) 0.008 (0.20 mm) ± 0.004 (0.10 mm) Electrical Specifications at 25°C (0, +3 V) Parameter1 Insertion Frequency2 Loss3 Min. DC–1.0 GHz DC–3.0 GHz Isolation DC–1.0 GHz DC–2.0 GHz DC–3.0 GHz VSWR4 DC–1.0 GHz DC–2.0 GHz DC–3.0 GHz 22 22 20 Typ. Max. Unit 0.3 0.4 0.4 0.6 dB dB 25 25 23 dB dB dB 1.2:1 1.2:1 1.3:1 1.4:1 1.4:1 1.4:1 Typ. Max. Operating Characteristics at 25°C (0, +3 V) Parameter Switching Characteristics5 Condition Frequency Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru Min. Unit 10 20 25 ns ns mV Input Power for 1 dB Compression 0/+3 V 0/+5 V 0.5–3.0 GHz 0.5–3.0 GHz +30 +34 dBm dBm Intermodulation Intercept Point (IP3) For Two-tone Input Power +5 dBm 0/+3 V 0/+5 V 0.5–3.0 GHz 0.5–3.0 GHz +43 +50 dBm dBm Control Voltages VLow = 0 to 0.2 V @ 20 µA Max. VHigh = +3 V @ 100 µA Max. to +5 V @ 200 µA Max. 1. All measurements made in a 50 Ω 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. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 8/00A 1 PHEMT GaAs IC SPDT Switch DC–3 GHz AS179-92 Typical Performance Data (0, +3 V) 1.0 50 Isolation (dB) Insertion Loss (dB) 45 0.8 0.6 0.4 40 35 30 25 20 0.2 15 0.0 0.0 10 0.5 1.0 1.5 2.0 2.5 0.0 3.0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Isolation vs. Frequency 3.0 Absolute Maximum Ratings 1.4 Characteristic 1.3 VSWR 2.5 RF Input Power Value 6 W > 500 MHz 0/+7 V Control Control Voltage 1.2 1.1 -0.2 V, +8 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C ΘJC 25°C/W 1.0 0.0 0.5 1.0 1.5 2.0 2.5 3.0 Pin Out Frequency (GHz) 6 2 5 J3 1 VSWR vs. Frequency CBL GND V2 CBL Truth Table J1–J2 J1–J3 VHigh 0 Isolation Insertion Loss 0 VHigh Insertion Loss Isolation VHigh = +3 to +5 V. 2 J2 CBL 4 V2 3 V1 V1 DC blocking capacitors (CBL) must be supplied externally for positive voltage operation. CBL = 100 pF for operation >500 MHz. Alpha Industries, Inc. [781] 935-5150 • Fax [617] 824-4579 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 8/00A J1