AV141-321

Preliminary GaAs IC 25 dB Voltage Variable Attenuator 2.7–4.0 GHz AV141-321 Features ■ Power Control for 3.5 GHz Fixed Wireless Applications ■ Minimum 25 dB Attenuation ■ Positive 0.2–1.2 V Control Voltage ■ QFN-12 3 x 3 mm Package ■ Low Cost ■ No External Components Needed Description The AV141-321 is a GaAs IC PHEMT voltage variable attenuator that has been designed for WLAN applications. Operating from 2.7–4.0 GHz, the AV141-321 is ideal for low cost applications such as 3.5 GHz fixed wireless LAN power control 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 1. All measurements made in a 50 Ω system, unless otherwise specified. 2. For worst case state. Electrical Specifications at 25°C Parameter Insertion Loss (VC = 1.2 V) Maximum Attenuation (VC = 0.2 V) VSWR — All Ports Frequency 2.7–4.0 GHz 2.7–4.0 GHz 2.7–4.0 GHz 25 Min. Typ. 0.7 30 1.5 1.8 Max. 1.0 Unit dB dB Operating Characteristics at 25°C (0, +1.2 V) Parameter Switching Characteristics Condition Rise, Fall (10/90% or 90/10% RF) On, Off (50% CTL to 90/10% RF) Video Feedthru 2.7–4.0 GHz 2.7–4.0 GHz 0.2 Frequency Min. 80 Typ. 50 150 25 13 20 1.2 Max. Unit ns ns mV dBm dBm V Maximum Input Power for < 1 dB Attenuation Variation Input 3rd Order Intercept Point (IIP3) Control Voltage 1. All measurements made in a 50 Ω system, unless otherwise specified. 2. For worst ca...