HMC472ALP4E

HMC472ALP4E is a broadband 6bit GaAs IC digital attenuator. This single positive control line per bit digital attenuator incorporates off chip AC ground capacitors for near DC operation, making it suitable for a wide variety of RF and IF applications. Covering DC to 3.8GHz, the insertion loss is less than 2dB typical. The attenuator bit values are 0.5(LSB), 1, 2, 4, 8, and 16dB for a total attenuation of 31.5dB. Attenuation accuracy is excellent at ± 0.25dB typical step error with an IIP3 of +54dBm. Six TTL/ CMOS control inputs are used to select each attenuation state. It is used in applications such as 3G infrastructure & access points, cellular/3G, LTE & UMB, WiMAX, WiBN & fixed wireless, test equipment and sensors, GSM, WCDMA & TD-SCDMA etc.

• Single control line per bit
• TTL/CMOS compatible control
• Single +5V supply
• ± 0.25dB typical step error
• Insertion loss is 1.4dB typical at (TA = +25°C, with Vdd = +5V & Vctl = 0/+5V)
• Input power for 0.1dB compression is 30dBm typ at (0.1GHz to 3.8GHz, TA = +25°C)
• Return loss is 20dB typ at (DC - 3.8GHz, TA = +25°C)
• Operating temperature is -40°C to +85°C
• Package style is 24-lead ceramic SMT

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