PHEMT GaAs IC High Linearity 3 V Control SPDT Switch 0.1-2 GHz AS191-73 Features SOT-6 +2.5 to +5 V Linear Operation 0.074 (1.90 mm REF.) Harmonics H2, H3 > 65 dBc @ PIN = 34.5 dBm 0.126 (3.20 mm) 0.087 (2.20 mm) PIN 6 Low Insertion Loss (0.5 dB @ 0.9 GHz) High Isolation (27 dB @ 0.9 GHz) 0.071 (1.80 mm) 0.052 (1.30 mm) PIN 1 INDICATOR PIN 1 0.020 (0.51 mm) 0.014 (0.350 mm) 0.037 (0.95 mm) REF. Ultra Miniature SOT-6 Package 0.057 (1.45 mm) 0.035 (0.90 mm) 0.006 (0.15 mm) 0.000 (0.00 mm) PHEMT Process 5.0 1 0.014 (0.26 mm) 0.004 (0.10 mm) Description The AS191-73 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, high isolation, 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 0.012 (0.30 mm) TYP. 5.0 1 0.122 (3.10 mm) 0.106 (2.70 mm) 0.022 (0.61 mm) 0.004 (0.10 mm) AS191-73 switch can be used in many analog and digital wireless communication systems including cellular, GSM and DECT applications. Electrical Specifications at 25C (0, +3 V) Parameter1 Frequency Insertion Loss2 0.1-0.5 GHz 0.5-1.0 GHz 1.0-2.0 GHz Isolation 0.1-0.5 GHz 0.5-1.0 GHz 1.0-2.0 GHz VSWR3 0.1-1.0 GHz 1.0-2.0 GHz Min. 31 25 19 Typ. Max. Unit 0.45 0.50 0.55 0.60 0.60 0.70 dB dB dB 33 27 21 dB dB dB 1.2:1 1.3:1 dB dB Operating Characteristics at 25C (0, +3 V) Parameter Switching Characteristics4 Condition Frequency Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru Input Power for -0.1 dB Compression 0/+3 V Harmonics H2, H3 PIN = 34.5 dBm 0.9 GHz Control Voltages VLow = 0 to 0.2 V @ 20 A Max. VHigh = +2.5 V @ 100 A Max. to +5 V @ 200 A Max. 1. All measurements made in a 50 system, unless otherwise specified. 2. Insertion loss changes by 0.003 dB/C. 0.9 GHz Min. Typ. Max. Unit 60 100 50 ns ns mV +35 dBm +65 dBc 3. Insertion loss state. 4. Video feedthru measured with 1 ns risetime pulse and 500 MHz bandwidth. Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 8/00A 1 PHEMT GaAs IC High Linearity 3 V Control SPDT Switch 0.1-2 GHz AS191-73 Typical Performance Data 0 0 -10 -0.2 -0.3 Isolation (dB) Insertion Loss (dB) -0.1 -0.4 -0.5 -0.6 -0.7 -0.8 -20 -30 -40 -0.9 -50 -1.0 0 0.5 1.0 1.5 2.0 2.5 0 3.0 2.0 2.5 Isolation vs. Frequency 80 1.9 75 H2 (dBc) and H3 (dBc) 2.0 1.6 1.5 1.4 1.3 1.2 1.1 70 H2 65 60 H3 55 50 45 40 30 0 0.5 1.0 1.5 2.0 2.5 3.0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Frequency (GHz) VCTRL (V) VSWR vs. Frequency Harmonics vs. Control Voltage PIN = 34.5 dBm, 900 MHz, GSM Pulsed Pin Out Absolute Maximum Ratings Characteristic 1 6 2 5 CBL GND CBL 4 3 CBL V1 J1 V2 Value RF Input Power 6 W Max. > 900 MHz, 0/+5 V Control Control Voltage -0.2 V, +8 V Operating Temperature -40C to +85C Storage Temperature -65C to +150C JC DC blocking capacitors (CBL) must be supplied externally. CBL = 47 pF for operating frequency >500 MHz. 25C/W Truth Table V1 V2 J1-J2 J1-J3 0 VHigh Isolation Insertion Loss VHigh 0 Insertion Loss Isolation VHigh = +2.5 to +5 V. 2 3.0 35 1.0 J3 1.5 Insertion Loss vs. Frequency 1.7 J2 1.0 Frequency (GHz) 1.8 VSWR 0.5 Frequency (GHz) Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 8/00A