HWS408 GaAs DC-3 GHz SPDT Switch November 2006 Features V5 SOT-363 • Low Insertion Loss: 0.4 dB @ 2.5 GHz • Isolation: 25 dB @ 2.5 GHz • Low DC Power Consumption • Low Cost SOT-363 Plastic Lead (Pb) Free Package • Lead Free and RoHS (Restrict of Hazardous Substances) Compliant Version of HWS314 Description The HWS408 is a GaAs SPDT switch operating at DC-3 GHz in a low cost SOT-363 plastic lead (Pb) free package. The HWS408 features low insertion loss with very low DC power consumption. This switch can be used in many wireless digital communication systems like IEEE 802.11b/g WLAN and Bluetooth for transmit/receive selection or antenna diversity function. Electrical Specifications at 25°C with 0, +3V Control Voltages Parameter Test Conditions Insertion Loss DC-2.5 GHz 2.5-3.0 GHz Isolation DC-2.5 GHz 2.5-3.0 GHz Return Loss Input Power for One dB Compression Min. 21 20 Typ. Max. Unit 0.4 0.5 0.6 0.7 dB dB 25 23 dB dB DC-3.0 GHz 20 dB 0.5-3.0 GHz @ 0/+3V @ 0/+5V 30 34 dBm dBm Switching Time 20 ns Control Current 5 100 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-Based Industrial 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. HWS408 GaAs DC-3 GHz SPDT Switch November 2006 Typical Performance Data @ +25°C V5 Absolute Maximum Ratings Insertion Loss vs Frequency Parameter Insertion Loss(dB) 0.0 Absolute Maximum -0.2 RF Input Power 0.5-2.5 GHz +34 dBm -0.4 Control Voltage +6V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C -0.6 -0.8 Pin Out (Top View) -1.0 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 CB RF2 Isolation vs Frequency GND -10 6 2 5 VC2 RFC CB 3 RF1 -15 Isolation(dB) CA 1 4 VC1 CA CB -20 DC blocking capacitors CB are required on all RF ports. CB=CA=51pF for operating frequency > 500MHz. -25 -30 -35 Logic Table for Switch On-Path -40 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 Return Loss vs Frequency VC1 VC2 RFC-RF1 RFC-RF2 1 0 Isolation Insertion Loss 0 1 Insertion Loss Isolation -10 ‘1’ = +2.7V to +5V ‘0’ = 0V to +0.2V Return Loss(dB) -15 -20 -25 -30 -35 -40 0.5 Hexawave Inc. 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 2 Prosperity Road II, Science-Based Industrial 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.