HWS499 GaAs DC-4 GHz DPDT Switch Jan. 2008 Features QFN12L (3 x 3 mm) • Low Insertion Loss : 0.9 dB @ 2.50 GHz 1.0 dB @ 3.5 GHz • Isolation: 22 dB @ 2.50 GHz 20 dB @ 3.5GHz • Low DC Power Consumption • Miniature QFN12L (3x3 mm) Plastic Lead (Pb) Free Package, RoHS Compliant • PHEMT process Description The HWS499 is a GaAs PHEMT MMIC DPDT switch operating at DC-4 GHz in a low cost miniature QFN12L (3 x 3 mm) plastic lead (Pb) free package. The HWS499 features low insertion loss and high isolation with very low DC power consumption. This switch can be used in WiMAX or 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 Insertion Loss Test Conditions Min. 2.30-2.70 GHz 3.30-3.90GHz Typ. Max. Unit 0.9 1.0 1.1 1.3 dB dB dB (on-off or off-on) 2.30-2.70 GHz 3.30-3.90 GHz 20.0 22 dB dB 17.0 20 dB Input Power for 1 dB Compression 2.00-4.00 GHz 37 38 dBm Isolation Control Current 5 200 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. V1 HWS499 GaAs DC-4 GHz DPDT Switch Jan. 2008 Typical Performance Data with 8pF Capacitors @ +25°C V1 Absolute Maximum Ratings Parameter Absolute Maximum RF Input Power +36 dBm @ +3V Control Voltage +6V -0.4 Operating Temperature -40°C to +85°C Storage Temperature -65°C to +150°C -0.8 -1.2 ` RX Pin Out (Top View) -1.6 TX Insertion Loss(dB) Insertion Loss vs Frequency -2.0 CB Frequency(GHz) GND CB 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 12 11 10 Isolation vs Frequency GND 1 9 GND GND 2 8 GND 3 7 -15 -30 5 6 GND 4 -25 VC2 CB VC1 -20 CB Isolation(dB) -10 -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 ANT2 ANT1 -40 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. Return Loss(dB) -10 -15 Logic Table for Switch On-Path -20 -25 VC1 -30 -35 -40 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency(GHz) VC2 ANT1-RX ANT1-TX ANT2-TX ANT2-RX 1 0 On Off On Off 0 1 Off On Off On 1 1 Off Off Off Off 0 0 Off Off Off Off ‘1’ = +3V to +5V ‘0’ = 0V to +0.2V 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.