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| Preliminary GaAs IC Reflective SPDT DC-6 GHz AS209-321 Features Single Broadband Design Covers 802.11a, 802.11b and 3.5 GHz Fixed Wireless Applications Positive Voltage Control (0, +5 V) Low Insertion Loss Thru 6 GHz High Linearity QFN-12 3 x 3 mm Package Low Cost Description The AS209-321 is a GaAs PHEMT reflective SPDT switch that has been designed for WLAN TX/RX applications. This device has been optimized to provide excellent performance from DC-6 GHz. The AS209-321's high frequency, low loss and high linearity make it an ideal choice for 802.11a, 802.11b and 3.5 GHz fixed wireless LAN applications. Absolute Maximum Ratings Characteristic RF Input Power Control Voltage Operating Temperature Storage Temperature Value 1 W Max. > 500 MHz -0.2 V, +6 V -40C to +85C -65C to +150C Electrical Specifications at 25C (0, +5 V) Parameter Insertion Loss Frequency DC-2 DC-3 DC-4 DC-6 DC-2 DC-3 DC-4 DC-6 DC-2 DC-3 DC-4 DC-6 GHz GHz GHz GHz GHz GHz GHz GHz GHz GHz GHz GHz 30 28 25 20 15 12 10 10 Min. Typ. 0.7 0.8 1.1 1.2 34 32 29 24 18 15 13 13 Max. 1.0 1.2 1.4 1.5 Unit dB dB dB dB dB dB dB dB dB dB dB dB Isolation Return Loss (On State) Operating Characteristics at 25C (0, +5 V) Parameter Switching Characteristics Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 0/+5 V VC1 or VC2 = "0" VC1 or VC2 = "1" with @ 200 A Max. 1-4 GHz 0 3.5 Frequency Min. Typ. 30 50 25 46 0.5 5.0 Max. Unit ns ns mV dBm V V Input Intermodulation Intercept Point (IIP3) Control Voltages 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 DC-6 GHz AS209-321 Typical Performance Data (0, +5 V, CBL = 47 pF) 0 -0.25 -0.50 -1.00 -1.25 -1.50 -1.75 -2.00 -2.25 -2.50 0 1 2 3 4 5 6 7 -50 0 1 2 3 4 5 6 7 0 -10 Insertion Loss (dB) Isolation (dB) -0.75 -20 -30 -40 J2 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency 0 50 49 Isolation vs. Frequency Return Loss (dB) Input IP3 (dBm) -5 48 47 46 45 -10 J2 -15 J1 -20 0 1 2 3 4 5 6 7 3.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 Frequency (GHz) Frequency (GHz) Return Loss vs. Frequency Input IP3 vs. Frequency Truth Table VC1 0 1 VC2 1 0 J1-J2 Insertion Loss Isolation J1-J3 Isolation Insertion Loss Pin Out CBL VC2 J2 CBL N/C N/C VC1 N/C J1 N/C CBL J3 N/C N/C DC blocks required. CBL = 47 pF for operation >500 MHz. 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 DC-6 GHz AS209-321 Evaluation Board Layout J1 QFN-12 0.118 (3.00 mm) PIN 1 INDICATOR 0.118 (3.00 mm) Ground Via (Typical) 0.008 (0.20 mm) SEATING PLANE 0.001 (0.02 mm) SPDT 0.030 (0.75 mm) 0.002 (0.05 mm) PIN 1 INDICATOR VC2 1.250 VC1 EXPOSED PAD 0.029 (0.73 mm) 0.018 J2 SK39507 Rev 2 J3 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) 0.738 Board material: 10 mil FR4. Typical S-Parameters (Control Voltage 0/+5 V) Insertion Loss State # GHZ S DB R 50 Freq. (GHz) 0.50 0.95 1.50 1.90 2.40 2.95 3.55 4.05 4.40 4.90 5.40 6.00 6.45 7.00 S11 -5.5 -11.1 -16.9 -19.7 -18.3 -15.7 -14.7 -13.9 -14.2 -16.9 -17.2 -12.0 -10.0 -9.5 S11a -90.1 -136.0 -177.2 165.5 128.3 68.2 0.0 -49.6 -85.7 -124.1 -129.9 -165.9 153.5 103.6 S21 -1.63 -0.72 -0.63 -0.68 -0.75 -0.84 -0.99 -1.04 -1.07 -1.14 -1.13 -1.21 -1.45 -2.00 S21a -2.6 -51.1 -98.3 -130.2 -170.0 147.6 104.4 67.4 41.4 4.1 -34.6 -82.2 -116.4 -156.8 S12 -1.63 -0.72 -0.63 -0.68 -0.75 -0.84 -0.99 -1.04 -1.07 -1.14 -1.13 -1.21 -1.45 -2.00 S12a -1.9 -50.0 -98.6 -130.6 -168.5 148.2 103.5 66.8 41.4 4.0 -34.6 -81.2 -115.5 -158.9 S22 -5.6 -11.1 -16.6 -19.9 -19.0 -15.4 -13.1 -12.8 -13.1 -15.9 -17.7 -12.3 -9.5 -8.2 S22a -122.6 163.9 81.8 15.9 -67.9 -141.6 147.3 96.4 57.7 -14.0 -119.1 133.0 75.7 11.5 Isolation State # GHZ S DB R 50 S11 -0.8 -1.6 -2.2 -2.3 -2.3 -2.3 -2.3 -2.3 -2.4 -2.4 -2.5 -2.6 -2.7 -2.8 S11a -98.7 -170.6 120.6 78.5 31.9 -14.9 -63.1 -101.6 -128.0 -165.4 158.1 114.2 80.8 39.3 S21 -38.4 -36.3 -34.6 -33.3 -32.1 -31.1 -29.6 -28.8 -27.4 -25.9 -24.9 -23.2 -22.3 -21.2 S21a 6.6 -16.4 -45.2 -67.2 -94.8 -127.6 -160.3 175.2 153.3 122.8 89.9 47.8 16.1 -23.8 S12 -39.5 -35.8 -34.9 -34.1 -31.4 -31.5 -30.8 -29.3 -28.0 -26.5 -25.8 -23.9 -23.7 -23.7 S12a 10.0 -15.8 -46.3 -68.1 -90.3 -126.0 -159.6 172.7 155.5 122.9 89.6 47.4 23.1 -23.4 S22 -5.5 -11.0 -16.9 -20.6 -19.8 -15.6 -14.0 -12.3 -12.6 -15.7 -16.7 -11.7 -9.0 -8.0 S22a -122.4 162.9 78.9 15.0 -67.6 -140.3 153.8 100.0 58.5 -9.1 -111.6 135.5 75.7 10.6 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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