A 10-67-GHz CMOS Step Attenuator with Improved Flatness and Large Attenuation Range
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abstract
A four-bit CMOS step attenuator is designed using a new design method to achieve improved flatness and large attenuation range from 10-67 GHz. The design method is based on the frequency-response characteristics of the conventional Pi-, T-, and distributed attenuators. Over 10-67 GHz, the measured results exhibit attenuation flatness of 6.8 dB and attenuation range of 32-42 dB. 2013 IEEE.
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2013 IEEE 13th Topical Meeting on Silicon Monolithic Integrated Circuits in RF Systems