Preliminary GaAs IC Reflective SPDT with Driver 3–6 GHz AS210-321 Features ■ TX/RX Switch for IEEE 802.11a Wireless LAN Applications ■ Positive CMOS Level Control (0, +3 V) ■ Low Loss (< 1.3 dB) ■ Low DC Power Consumption ■ QFN-12 3 x 3 mm Package ■ Low Cost ■ No External Components Needed Description The AS210-321 is a GaAs PHEMT SPDT reflective switch that has been designed for WLAN TX/RX applications. This device has been optimized to provide excellent performance from 3–6 GHz. The AS210-321’s low insertion loss make it an ideal choice for the 802.11a and 3.5 GHz fixed wireless LAN applications. Absolute Maximum Ratings Characteristic Value RF Input Power 1 W Max. > 500 MHz Supply Voltage -0.2 V, +6 V Control Voltage -0.2 V, +6 V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C Electrical Specifications at 25°C (0, +3 V) Parameter Frequency Min. Typ. Max. Unit 1.5 1.0 1.8 1.5 dB dB Insertion Loss 3–4 GHz 5–6 GHz Isolation 3–5 GHz 5–6 GHz 23 25 27 29 dB dB Return Loss (On State) 3–6 GHz 7.5 12 dB Min. Typ. Operating Characteristics at 25°C (0, +3 V) Parameter Switching Characteristics Condition Frequency Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru Input Intermodulation Intercept Point (IIP3) 0/+3 V Control Voltages (C1) C1 = “0” with @ 700 µA Max. C1 = “1” with @ 500 µA Max. Max. 100 150 25 5–6 GHz Supply Voltage (VS) 400 Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 1/02A dBm 0.4 5.0 3.0 Supply Current ns ns mV 50 0 2.4 Unit V V 5.0 V 700 µA 1 GaAs IC Reflective SPDT with Driver 3–6 GHz AS210-321 Typical Performance Data at 25°C 0 -10 -5 Isolation (dB) Return Loss (dB) 0 -10 -15 -30 -40 -20 -50 3.0 3.5 4.0 4.5 5.0 5.5 6.0 3.0 3.5 4.0 4.5 5.0 5.5 Frequency (GHz) Frequency (GHz) Return Loss vs. Frequency Isolation vs. Frequency 0 55 Input IP3 (dB) -0.50 -0.75 -1.00 -1.25 -1.50 54 53 52 51 -1.75 50 -2.00 3.0 3.5 4.0 4.5 5.0 5.5 6.0 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Input IP3 vs. Frequency J1–J2 J2–J3 0 Isolation Insertion Loss 1 Insertion Loss Isolation N/C C1 J2 Pin Out (Top View) VS Truth Table C1 N/C J1 J3 N/C N/C N/C N/C N/C Ground is connected to paddle on bottom. 2 6.0 56 -0.25 Insertion Loss (dB) -20 Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 1/02A 5.9 GaAs IC Reflective SPDT with Driver 3–6 GHz AS210-321 Evaluation Board Layout QFN-12 0.008 (0.20 mm) SEATING PLANE 0.118 (3.00 mm) PIN 1 INDICATOR J1 0.001 (0.02 mm) J3 0.118 (3.00 mm) 0.029 (0.73 mm) EXPOSED PAD C1 PIN 1 INDICATOR 0.057 (1.45 mm) SQ. + 0.004 (0.10 mm) - 0.006 (0.15 mm) 0.009 (0.23 mm) + 0.003 (0.07 mm) - 0.002 (0.05 mm) VS 0.030 (0.75 mm) ± 0.002 (0.05 mm) 0.0196 (0.50 mm) BSC J2 Typical S-Parameters (Control Voltage 0/+3 V) Insertion Loss State # GHZ S MA R 50 Isolation State # GHZ S MA R 50 Freq. (GHz) S11 S11a S21 S21a S12 S12a S22 S22a S11 S11a S21 S21a S12 S12a S22 S22a 3.0 0.39 261.74 0.84 71.69 0.86 71.02 0.36 216.00 0.80 204.12 0.044 80.43 0.044 80.60 0.37 214.92 3.5 0.36 192.95 0.85 15.37 0.87 14.18 0.33 146.47 0.77 126.78 0.043 29.93 0.043 29.95 0.32 147.00 4.0 0.29 126.56 0.86 -39.06 0.86 -39.01 0.26 72.34 0.76 51.10 0.040 -11.65 0.040 -11.09 0.25 77.55 4.5 0.23 72.00 0.89 266.35 0.89 266.77 0.19 -18.71 0.72 -27.26 0.041 -56.14 0.041 -56.39 0.18 -3.67 5.0 0.21 21.24 0.90 211.21 0.90 211.52 0.18 241.37 0.70 249.53 0.039 248.64 0.039 250.86 0.17 256.52 5.5 0.24 -52.64 0.89 155.77 0.89 155.87 0.24 165.97 0.71 170.47 0.037 208.18 0.037 208.61 0.25 172.76 6.0 0.32 215.58 0.85 99.29 0.85 100.14 0.32 107.90 0.74 101.73 0.037 171.03 0.037 170.45 0.34 104.97 Measured S-Parameters include the evaluation board. Alpha Industries, Inc. [978] 241-7000 • Fax [978] 241-7906 • Email [email protected] • www.alphaind.com Specifications subject to change without notice. 1/02A 3