HWS408 February 2004 Features V1 SOT-363 • Low Insertion Loss: 0.4dB @ 2.5GHz • Isolation: 25dB @ 2.5GHz • Low DC Power Consumption • Low Cost SOT-363 Plastic Lead (Pb) Free Package • Lead Free Version of HWS314 Description The HWS408 is a GaAs SPDT switch operating at DC-2.5GHz 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 IEEE 802.11b/g WLAN systems for combination of transmit/receive and antenna diversity functions. Electrical Specifications at 25°C with 0, +3V Control Voltages Parameter Test Conditions Insertion Loss DC-2.5GHz Isolation DC-2.5GHz Return Loss DC-2.5GHz Min. 21 Typ. Max. Unit 0.4 0.6 dB 25 dB 20 dB 0/+3V 30 dBm 0/+5V 34 dBm Switching Time 20 ns Control Current 5 0.5-2.5GHz Input Power for One dB Compression 100 uA Note: All measurements made in a 50ohm system with 0/+3V control voltages, unless otherwise specified. Hexawave Inc. 2 Prosperity Road II, Science Park, Hsinchu, Taiwan, R.O.C.. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw Email: [email protected] All specifications are subject to change without notice. HWS408 February 2004 Typical Performance at +25°C V1 Absolute Maximum Ratings Insertion Loss vs Frequency Parameter Insertion Loss(dB) 0.0 -0.2 -0.4 -0.6 Absolute Maximum RF Input Power 0.5-2.5GHz +34dBm Control Voltage +6V Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C -0.8 Pin Out -1.0 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 B A Isolation vs Frequency -10 B Isolation(dB) -15 A B -20 B -25 -30 * A ! "# $ % B %& %&'( %&) " * $ + % $&% "# +%&'(&" , - ../ $ % Truth Table -35 VC1 -40 0.5 1.0 1.5 2.0 Frequency(GHz) 2.5 3.0 VC2 RFC-RF1 RFC-RF2 1 0 Isolation Insertion Loss 0 1 Insertion Loss Isolation Return Loss vs Frequency ‘1’ = +3V to +5V -10 Return Loss(dB) -15 -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, R.O.C.. TEL 886-3-578-5100 FAX 886-3-577-0512 http://www.hw.com.tw Email: [email protected] All specifications are subject to change without notice.