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| Preliminary PHEMT GaAs IC Transmit/Dual Receive Switch With Diversity Antennas 0.5-2 GHz AS160-86 Features s Five RF Ports s Transmit to Either of Two Antennas s Receive From Either of Two Antennas s Differential Biasing for High Linearity MSOP-10 PIN 10 PIN 1 INDICATOR 0.118 (3.00 mm) 0.006 (0.15 mm) 0.193 (4.90 mm) 0.006 (0.15 mm) PIN 1 0.034 (0.86 mm) 0.004 (0.10 mm) 0.118 (3.00 mm) 0.006 (0.15 mm) 8-16 0-6 0.043 (1.09 mm) MAX. 0.022 (0.55 mm) 0.006 (0.15 mm) Description The AS160-86 is a PHEMT GaAs IC transfer and SPDT switch. This switch is ideal for dual band applications where TX/RX diversity is required. The switch has 4 control lines that may be positive, negative or a combination of both (differential biasing). This switch is designed for commercial wireless applications such as GSM, DCS and PCS systems. 0.0197 (0.500 mm) BSC 0.009 (0.23 mm) REF. 0.006 (0.15 mm) MAX. 0.002 (0.05 mm) MIN. Electrical Specifications at 25C (+2.75, -4.5 V) Parameter1 Insertion Loss2 Condition TX-Ant. 1, Ant. 2 RX1, RX2-Ant. 1, Ant. 2 Isolation VSWR RX1, RX2-Ant. 1, Ant. 2 (TX-Ant. 1, 2 Insertion Loss) Insertion Loss States Frequency 0.5-1.0 1.0-2.0 0.5-1.0 1.0-2.0 GHz GHz GHz GHz Min. Typ. 0.5 0.7 1.1 1.5 35 25 1.5:1 Max. 0.6 0.9 1.3 1.7 30 20 Unit dB dB dB dB dB dB 0.5-1.0 GHz 1.0-2.0 GHz 0.5-2.0 GHz Operating Characteristics at 25C (+2.75, -4.5 V) Parameter1 Switching Characteristics Condition Rise, Fall (10/90% or 90%/10% RF) On, Off (50% CTL to 90%/10% RF) Video Feedthru 34.5 dBm @ (VHigh - VLow) > 7.25 32.0 dBm @ (VHigh - VLow) > 7.25 0.9 GHz 1.8 GHz Frequency Min. Typ. 50 100 50 65 67 Max. Unit nS nS mV dBc dBc 2nd and 3rd Harmonics Control Voltages VLow = -5 < VLow < -2.75 V @ 200 A Max. VHigh = -.2 < VHigh < +5 V @ 200 A Max. Differential = 2.75 < (VHigh - VLow) < 10 V @ 200 A Max. 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. 3/99A 1 PHEMT GaAs IC Transmit/Dual Receive Switch With Diversity Antennas 0.5-2 GHz AS160-86 Typical Performance Data 1.4 1.2 2.5 2.0 Loss (dB) Loss (dB) 2.5 1.0 0.8 0.6 TX-Ant. 2 1.5 1.0 0.5 0 TX-Ant. 1 0.4 0.2 0 0 0.5 1.0 1.5 2.0 0 0.5 1.0 1.5 2.0 2.5 Frequency (GHz) Frequency (GHz) TX-Ant. 1, TX-Ant. 2 Insertion Loss vs. Frequency 70 60 2.0 1.8 RX1-Ant. 1, 2 RX2-Ant. 1, 2 Insertion Loss vs. Frequency Isolation (dB) 50 40 30 20 10 0 0 0.5 1.0 1.5 2.0 2.5 1.2 1.0 0 0.5 1.0 1.5 2.0 2.5 VSWR 1.6 Insertion Loss States 1.4 Frequency (GHz) Frequency (GHz) Ant. 1, 2-RX1, 2 Isolation vs. Frequency VSWR vs. Frequency Truth Table V1 V2 V3 VLow VHigh VLow VHigh VHigh VLow VHigh VLow VLow VLow TX- TX- RX1- RX1- RX2- RX2- Ant. 1 Ant. 2 Ant. 1 Ant. 2 Ant. 1 Ant. 2 VLow Ins. Isol. Isol. Isol. Isol. Isol. Loss VLow VLow VLow VHigh VHigh Isol. Isol. Ins. Loss Isol. Ins. Loss Ins. Loss Ins. Loss Isol. Ins. Loss Isol. Isol. Ins. Loss Isol. Isol. Isol. Isol. Isol. Ins. Loss Isol. Isol. Isol. Isol. Isol. Isol. Isol. Isol. V4 Absolute Maximum Ratings Characteristic RF Input Power Control Voltage Operating Temperature Storage Temperature JC Value 3 W Max. > 500 MHz +5 V/-5 V +5 V/-5 V -40C to +85C -65C to +150C 25C/W VLow VHigh VHigh VHigh VLow VLow Note: Exceeding these ratings may cause irreversible damage. Ins. Isol. Loss Isol. Ins. Loss VHigh VLow VLow = -5 < VLow < -2.75 V @ 200 A Max. VHigh = -.2 < VHigh < +5 V @ 200 A Max. Differential = 2.75 < (VHigh - VLow) < 10 V @ 200 A Max. 2 Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 3/99A PHEMT GaAs IC Transmit/Dual Receive Switch With Diversity Antennas 0.5-2 GHz AS160-86 Switch Schematic ANT. 2 V1 V2 RX1 TX RX2 V2 ANT. 1 V1 V4 V3 Pin Out 10 TX V2 ANT. 2 V3 RX1 ANT. 1 V1 GND V4 RX2 2 1 9 3 8 4 7 5 Alpha Industries, Inc. [781] 935-5150 * Fax [617] 824-4579 * Email sales@alphaind.com * www.alphaind.com Specifications subject to change without notice. 3/99A 6 3 |
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