AS209-321

Preliminary GaAs IC Reflective SPDT DC–6 GHz AS209-321 Features ■ Single Broadband Design Covers 802.11a, 802.11b and 3.5 GHz Fixed Wireless Applications ■ Positive Voltage Control (0, +5 V) ■ Low Insertion Loss Thru 6 GHz ■ High Linearity ■ QFN-12 3 x 3 mm Package ■ Low Cost Description The AS209-321 is a GaAs PHEMT reflective SPDT switch that has been designed for WLAN TX/RX applications. This device has been optimized to provide excellent performance from DC–6 GHz. The AS209-321’s high frequency, low loss and high linearity make it an ideal choice for 802.11a, 802.11b and 3.5 GHz fixed wireless LAN applications. Absolute Maximum Ratings Characteristic RF Input Power Control Voltage Operating Temperature Storage Temperature Value 1 W Max. > 500 MHz -0.2 V, +6 V -40°C to +85°C -65°C to +150°C Electrical Specifications at 25°C (0, +5 V) Parameter Insertion Loss Frequency DC–2 DC–3 DC–4 DC–6 DC–2 DC–3 DC–4 DC–6 DC–2 DC–3 DC–4 DC–6 GHz GHz GHz GHz GHz GHz GHz GHz GHz GHz GHz GHz 30 28 25 20 15 12 10 10 Min. Typ. 0.7 0.8 1.1 1.2 34 32 29 24 18 15 13 13 Max. 1.0 1.2 1.4 1.5 Unit dB dB dB dB dB dB dB dB dB dB dB dB Isolation Return Loss (On State) Operating Characteristics at 25°C (0, +5 V) Parameter Switching Characteristics Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 0/+5 V VC1 or VC2 = “0” VC1 or VC2 = “1” with @ 200 µA Max. 1–4 GHz 0 3.5 Frequency Min. Typ. 30 50 25 46 0.5 5.0 Max. Unit ns ns mV dBm V V Input Intermodulation...