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| HWS499 GaAs DC-4 GHz DPDT Switch Jan. 2008 V1 Features * Low Insertion Loss : 0.9 dB @ 2.50 GHz QFN12L (3 x 3 mm) 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 with 0, +3V Control Voltages C Parameter Insertion Loss Test Conditions Min. Typ. Max. Unit dB dB dB dB dB dB dBm 200 uA 2.30-2.70 GHz 3.30-3.90GHz 2.30-2.70 GHz 3.30-3.90 GHz 2.00-4.00 GHz 20.0 17.0 37 0.9 1.0 22 20 38 5 1.1 1.3 Isolation (on-off or off-on) Input Power for 1 dB Compression 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. HWS499 GaAs DC-4 GHz DPDT Switch Jan. 2008 V1 Typical Performance Data with 8pF Capacitors @ +25C Insertion Loss vs Frequency Absolute Maximum Ratings Parameter RF Input Power Control Voltage Absolute Maximum +36 dBm @ +3V +6V -40 to +85C C -65 to +150 C C Insertion Loss(dB) -0.4 Operating Temperature -0.8 Storage Temperature -1.2 -1.6 -2.0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 CB GND Pin Out (Top View) TX RX 11 10 9 8 7 4 5 6 Frequency(GHz) 12 Isolation vs Frequency GND 1 GND GND VC2 -10 Isolation(dB) -15 -20 -25 VC1 GND 2 3 CB -35 ANT1 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency(GHz) Return Loss vs Frequency -10 Return Loss(dB) -15 -20 -25 -30 -35 -40 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 6.0 Frequency(GHz) 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 VC1 1 0 1 0 VC2 ANT1-RX ANT1-TX ANT2-TX ANT2-RX 0 1 1 0 On Off Off Off Off On Off Off On Off Off Off Off On 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. ANT2 -40 CB -30 GND CB |
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