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| 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 RF Input Power Supply Voltage Control Voltage Operating Temperature Storage Temperature Value 1 W Max. > 500 MHz -0.2 V, +6 V -0.2 V, +6 V -40C to +85C -65C to +150C Electrical Specifications at 25C (0, +3 V) Parameter Insertion Loss Isolation Return Loss (On State) Frequency 3-4 GHz 5-6 GHz 3-5 GHz 5-6 GHz 3-6 GHz 23 25 7.5 Min. Typ. 1.5 1.0 27 29 12 Max. 1.8 1.5 Unit dB dB dB dB dB Operating Characteristics at 25C (0, +3 V) Parameter Switching Characteristics Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 0/+3 V C1 = "0" with @ 700 A Max. C1 = "1" with @ 500 A Max. 5-6 GHz 0 2.4 3.0 400 Frequency Min. Typ. 100 150 25 50 0.4 5.0 5.0 700 Max. Unit ns ns mV dBm V V V A Input Intermodulation Intercept Point (IIP3) Control Voltages (C1) Supply Voltage (VS) Supply Current Alpha Industries, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 1/02A 1 GaAs IC Reflective SPDT with Driver 3-6 GHz AS210-321 Typical Performance Data at 25C 0 0 -10 Return Loss (dB) -5 Isolation (dB) 3.0 3.5 4.0 4.5 5.0 5.5 6.0 -20 -30 -40 -50 3.0 3.5 4.0 4.5 5.0 5.5 6.0 -10 -15 -20 Frequency (GHz) Frequency (GHz) Return Loss vs. Frequency 0 -0.25 56 55 Isolation vs. Frequency Insertion Loss (dB) -0.50 Input IP3 (dB) 3.0 3.5 4.0 4.5 5.0 5.5 6.0 -0.75 -1.00 -1.25 -1.50 -1.75 -2.00 54 53 52 51 50 5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency Input IP3 vs. Frequency Truth Table C1 0 1 J1-J2 Isolation Insertion Loss J2-J3 Isolation Insertion Loss Pin Out (Top View) J2 C1 J1 N/C N/C N/C VS N/C J3 N/C N/C Ground is connected to paddle on bottom. 2 Alpha Industries, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 1/02A N/C GaAs IC Reflective SPDT with Driver 3-6 GHz AS210-321 Evaluation Board Layout QFN-12 0.118 (3.00 mm) PIN 1 INDICATOR 0.008 (0.20 mm) SEATING PLANE 0.001 (0.02 mm) 0.118 (3.00 mm) J1 J3 0.030 (0.75 mm) 0.002 (0.05 mm) PIN 1 INDICATOR C1 EXPOSED PAD 0.029 (0.73 mm) VS 0.009 (0.23 mm) + 0.003 (0.07 mm) - 0.002 (0.05 mm) 0.0196 (0.50 mm) BSC 0.057 (1.45 mm) SQ. + 0.004 (0.10 mm) - 0.006 (0.15 mm) J2 Typical S-Parameters (Control Voltage 0/+3 V) Insertion Loss State # GHZ S MA R 50 Freq. (GHz) 3.0 3.5 4.0 4.5 5.0 5.5 6.0 S11 0.39 0.36 0.29 0.23 0.21 0.24 0.32 S11a 261.74 192.95 126.56 72.00 21.24 -52.64 215.58 S21 0.84 0.85 0.86 0.89 0.90 0.89 0.85 S21a 71.69 15.37 -39.06 266.35 211.21 155.77 99.29 S12 0.86 0.87 0.86 0.89 0.90 0.89 0.85 S12a 71.02 14.18 -39.01 266.77 211.52 155.87 100.14 S22 0.36 0.33 0.26 0.19 0.18 0.24 0.32 S22a 216.00 146.47 72.34 -18.71 241.37 165.97 107.90 Isolation State # GHZ S MA R 50 S11 0.80 0.77 0.76 0.72 0.70 0.71 0.74 S11a 204.12 126.78 51.10 -27.26 249.53 170.47 101.73 S21 0.044 0.043 0.040 0.041 0.039 0.037 0.037 S21a 80.43 29.93 -11.65 -56.14 248.64 208.18 171.03 S12 0.044 0.043 0.040 0.041 0.039 0.037 0.037 S12a 80.60 29.95 -11.09 -56.39 250.86 208.61 170.45 S22 0.37 0.32 0.25 0.18 0.17 0.25 0.34 S22a 214.92 147.00 77.55 -3.67 256.52 172.76 104.97 Measured S-Parameters include the evaluation board. Alpha Industries, Inc. [978] 241-7000 * Fax [978] 241-7906 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 1/02A 3 |
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