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| HWS314 ! Features * Low Insertion Loss: 0.4 dB @ 2.5 GHz * Isolation: 25 dB @ 2.5 GHz * Low DC Power Consumption * Low Cost SOT-363 Plastic Package ! March 2004 V4 SOT-363 Description The HWS314 is a GaAs SPDT switch operating at DC-2.5 GHz in a low cost SOT-363 plastic package. The HWS314 features low insertion loss with very low DC power consumption. This switch can be used in IEEE 802.11b/g WLAN systems for combination of transmit/receive and antenna diversity functions. Electrical Specifications at 25 with 0, +3V Control Voltages C Parameter Insertion Loss Isolation Return Loss Input Power for One dB Compression Switching Time Control Current Test Conditions DC-2.5 GHz DC-2.5 GHz DC-2.5 GHz 0.5-2.5 GHz @ 0/+3V @ 0/+5V 21 Min. Typ. 0.4 25 20 30 34 20 5 100 Max. 0.6 Unit dB dB dB dBm dBm ns uA Note: All measurements made in a 50 ohm system with 0/+3V control voltages, unless otherwise specified. Hexawave Inc. 2 Prosperity Road II, Science Park, Hsinchu, Taiwan. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw All specifications are subject to change without notice. HWS314 ! Typical Performance Data @ +25 C Insertion Loss vs Frequency 0.0 -0.2 -0.4 -0.6 -0.8 -1.0 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 B A ! Absolute Maximum Ratings Parameter RF Input Power 0.5-2.5 GHz Control Voltage Operating Temperature Storage Temperature March 2004 V4 Absolute Maximum +34 dBm +6V -40 to +85C C -65 to +150 C C Insertion Loss(dB) Pin Out (Top View) Isolation vs Frequency -10 -15 Isolation(dB) B A B -20 -25 -30 -35 -40 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 DC blocking capacitors CB are required on all RF ports. CB=CA=51pF for operating frequency > 500MHz. Logic Table for Switch On-Path VC1 1 0 VC2 0 1 RFC-RF1 Isolation Insertion Loss RFC-RF2 Insertion Loss Isolation Return Loss vs Frequency -10 -15 Return Loss(dB) `1' = +3V to +5V `0' = 0V to +0.2V -20 -25 -30 -35 -40 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 Hexawave Inc. 2 Prosperity Road II, Science Park, Hsinchu, Taiwan. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw All specifications are subject to change without notice. |
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