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| Preliminary PHEMT GaAs IC High Linearity 3 V Control SPDT Switch 0.1-2 GHz AS190-73 Features I +2.5 to +5 V Linear Operation P-0.1 dB 37 dbm I Harmonics H2, H3 > 65 dBc @ PIN = 34.5 dBm I Low Insertion Loss (0.5 dB @ 0.9 GHz) I Ultra Miniature SOT-6 Package I PHEMT Process SOT-6 0.074 (1.90 mm REF.) PIN 6 PIN 1 INDICATOR PIN 1 0.020 (0.51 mm) 0.014 (0.350 mm) 0.057 (1.45 mm) 0.035 (0.90 mm) 0.126 (3.20 mm) 0.087 (2.20 mm) 0.071 (1.80 mm) 0.052 (1.30 mm) 0.037 (0.95 mm) REF. 0.012 (0.30 mm) TYP. 0.014 (0.26 mm) 0.004 (0.10 mm) 5.0 1 Description The AS190-73 is a PHEMT GaAs FET IC high linearity SPDT switch in a SOT-6 plastic package. This switch has been designed for use where extremely high linearity, low control voltage, low insertion loss and ultra miniature package size are required. It can be controlled with positive, negative or a combination of both voltages. Some standard implementations include antenna changeover, T/R and diversity switching over 3 W. The AS190-73 switch can be used in many analog and digital wireless communication systems including cellular, GSM and DECT applications. 0.006 (0.15 mm) 0.000 (0.00 mm) 5.0 1 0.122 (3.10 mm) 0.106 (2.70 mm) 0.022 (0.61 mm) 0.004 (0.10 mm) Electrical Specifications at 25C (0, +3 V) Parameter1 Insertion Loss2 Frequency 0.1-0.5 GHz 0.5-1.0 GHz 1.0-2.0 GHz 0.1-0.5 GHz 0.5-1.0 GHz 1.0-2.0 GHz 0.1-1.0 GHz 1.0-2.0 GHz 22 15 10 Min. Typ. 0.25 0.35 0.75 24 17 12 1.2:1 1.3:1 Max. 0.40 0.50 0.90 Unit dB dB dB dB dB dB dB dB Isolation VSWR3 Operating Characteristics at 25C (0, +3 V) Parameter Switching Characteristics4 Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 0/+3 V PIN = 34.5 dBm 0.9 GHz 0.9 GHz Frequency Min. Typ. 60 100 50 +37 +70 Max. Unit ns ns mV dBm dBc Input Power for -0.1 dB Compression Harmonics H2, H3 Control Voltages VLow = 0 to 0.2 V @ 20 A Max. VHigh = +2.5 V @ 100 A Max. to +5 V @ 200 A Max. 3. Insertion loss state. 4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. 1. All measurements made in a 50 system, unless otherwise specified. 2. Insertion loss changes by 0.003 dB/C. Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 1/00A 1 PHEMT GaAs IC High Linearity 3 V Control SPDT Switch 0.1-2 GHz AS190-73 Typical Performance Data 0 -0.1 -0.2 0 -5 Insertion Loss (dB) Isolation (dB) -0.3 -0.4 -0.5 -0.6 -0.7 -0.8 -0.9 -1.0 0 0.5 1.0 1.5 2.0 -10 -15 -20 -25 -30 -35 -40 0 0.5 1.0 1.5 2.0 Frequency (GHz) Frequency (GHz) Insertion Loss vs. Frequency 2.0 1.8 80 75 70 Isolation vs. Frequency H2 VSWR 1.6 1.4 1.2 1.0 0 0.5 1.0 1.5 2.0 H2, H3 (dBc) 65 60 55 50 45 40 35 30 2.0 2.5 3.0 3.5 4.0 4.5 5.0 H3 Frequency (GHz) VCTRL (V) VSWR vs. Frequency Harmonics vs. Control Voltage 34.5 dBm 900 MHz GSM Pulse Truth Table V1 0 VHigh VHigh = +2.5 to +5 V. Pin Out V2 VHigh 0 J1-J2 Isolation Insertion Loss J1-J3 Insertion Loss Isolation J2 CBL V1 J1 1 2 GND 6 5 CBL J3 3 4 CBL V2 DC blocking capacitors (CBL) must be supplied externally. CBL = 100 pF for operating frequency >500 MHz. 2 Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 1/00A |
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