HWS420 GaAs DC-6 GHz DPDT Switch Sptember 2006 QFN12L (3 x 3 mm) Features • Low Insertion Loss: 0.7 dB @ 2.5 GHz • • • • • 1.0 dB @ 4.9 to 6.0 GHz Isolation: 27 dB @ 2.5 GHz 20 dB @ 4.9 to 6.0 GHz Low DC Power Consumption Miniature QFN12L (3x3 mm) Plastic Package, RoHS Compliant PHEMT process 4 Control Lines version of HWS383 Description The HWS420 is a GaAs PHEMT MMIC DPDT switch operating at DC-6 GHz in a low cost miniature QFN12L (3 x 3 mm) plastic package. The HWS420 features low insertion loss and high isolation with very low DC power consumption. This switch can be used in IEEE 802.11a/b/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 Min. Typ. Max. Unit 1.3 dB dB dB 0.1-6.0 GHz 2.4-2.5 GHz 4.9-6.0 GHz 1.0 0.7 1.0 Isolation (ANT1-ANT2, TX-RX) 0.1-6.0 GHz 2.4-2.5 GHz 4.9-6.0 GHz 13 15 23 15 dB dB dB Isolation (ANT1-TX, ANT1-RX, ANT2-TX, ANT2-RX) 0.1-6.0 GHz 2.4-2.5 GHz 4.9-6.0 GHz 15 20 27 20 dB dB dB Return Loss 0.1-6.0 GHz 15 dB Input Power for One dB Compression 2.0-6.0 GHz 33 dBm 20 uA Insertion Loss Control Current Note: All measurements made in a 50 ohm system with 0/+3.0V 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. V2 HWS420 GaAs DC-6 GHz DPDT Switch Sptember 2006 Typical Performance Data with 8pF Capacitors @ +25°C Absolute Maximum Ratings Parameter Absolute Maximum RF Input Power +34 dBm @ +3V -0.2 Control Voltage +6V -0.4 Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C Insertion Loss vs Frequency -0.6 -1.2 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Frequency(GHz) 5.5 6.0 12 VC1 ISO1 ISO2 Isolation vs Frequency GND CB -1.0 CB RX Pin Out (Top View) -0.8 TX Insertion Loss(dB) V2 11 10 1 9 GND 2 8 3 7 VC4 GND -5 VC2 VC3 4 -25 -35 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Frequency(GHz) 5.5 6.0 Note: ISO1 for ANT1-ANT2 and TX-RX ISO2 for ANT1-TX, ANT1-RX, ANT2-TX, and ANT2-RX 6 ANT2 CB GND -20 -30 Note: 1. DC blocking capacitors CB=8pF are required on all RF ports. 2. Exposed pad in the bottom must be connected to ground by via holes. 3. TX and RX ports can be used interchangeably. Logic Table for Switch On-Path Return Loss vs Frequency -10 Return Loss(dB) 5 CB -15 ANT1 Isolation(dB) -10 VC1 VC2 VC3 VC4 On-Path -15 1 0 0 0 ANT2-RX -20 0 1 0 0 ANT1-TX 0 0 1 0 ANT1-RX 0 0 0 1 ANT2-TX -25 -30 ‘1’ = +3V to +5V ‘0’ = 0V to +0.2V -35 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency(GHz) 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.