HWS447 GaAs DC-6 GHz SPDT Terminated Switch September 2006 Features QFN12L (3 x 3 mm) • Low Insertion Loss : 0.50 dB @ 2.7 GHz 0.60 dB @ 5.8 GHz • Isolation: 29 dB @ 2.7 GHz 22 dB @ 5.8 GHz • Low DC Power Consumption • Miniature QFN12L (3x3 mm) Plastic Lead (Pb) Free Package, RoHS Compliant • PHEMT process Description The HWS447 is a GaAs PHEMT MMIC SPDT switch operating at DC-6 GHz in a low cost miniature QFN12L (3 x 3 mm) plastic lead (Pb) free package. The HWS447 features low insertion loss and high isolation with very low DC power consumption. This switch can be used in WiMAX or IEEE 802.11a/b/g WLAN PC card and access point applications as transmit/receive switch, antenna diversity switch, or band-selection switch. Electrical Specifications at 25°C with 0, +3V Control Voltages Parameter Test Conditions Insertion Loss 0.10-6.00 GHz 2.30-2.70 GHz 3.30-3.90 GHz 5.15-5.88 GHz Isolation (RFC Port to Off Port) 0.10-6.00 GHz 2.30-2.70 GHz 3.30-3.90 GHz 5.15-5.88 GHz Min. Typ. Max. Unit 0.60 0.50 0.50 0.60 0.80 0.80 0.90 dB dB dB dB 22 29 27 22 dB dB dB dB Isolation (RF1 Port to RF2 Port) 0.10-6.00 GHz 2.30-2.70 GHz 3.30-3.90 GHz 5.15-5.88 GHz 18 24 21 18 dB dB dB dB Return Loss (On Port) 0.10-6.00 GHz 20 dB Return Loss (Off Port) 0.10-6.00 GHz 12 dB 2.00-6.00 GHz @+3V @+5V 36 38 dBm dBm No RF Power Input 3 Input Power for One dB Compression Control Current 25 23 18 10 uA 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. V4 HWS447 GaAs DC-6 GHz SPDT Terminated Switch September 2006 Typical Performance Data with 8pF Capacitors @ +25°C Insertion Loss vs Frequency Insertion Loss(dB) -0.2 V4 Absolute Maximum Ratings Parameter Absolute Maximum RF Input Power +36 dBm @ +3V Control Voltage +6V -0.4 Operating Temperature -40°C to +85°C -0.6 Storage Temperature -65°C to +150°C -0.8 Pin Out (Top View) -1.0 VC2 -1.2 12 Isolation vs Frequency 11 10 CB RFC to Off port GND RF1 to RF2 -5 RFC CB GND -10 1 9 2 8 3 7 RF2 GND RF1 CB -15 4 6 GND -20 5 GND Isolation(dB) GND GND 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency(GHz) -25 -30 VC1 -35 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency(GHz) Return Loss vs Frequency 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. RFC, On port Off port Logic Table for Switch On-Path Return Loss(dB) -5 -10 VC1 VC2 RFC-RF1 RFC-RF2 -15 1 0 On Off -20 0 1 Off On -25 ‘1’ = +2.7V to +5V ‘0’ = 0V to +0.2V -30 -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.