Nxp USA, Inc.

Namsik Ryu

Margaret A Szymanowski

Chun-Wei Chang

Embodiments of a digital step attenuator are disclosed. In an embodiment, a digital step attenuator includes a radio frequency (RF) input, an RF output, an attenuation circuit connected between the RF input and the RF output, a shunt switching circuit connected to the attenuator circuit, and a bypass switching circuit connected between the RF input and the RF output. The bypass switching circuit includes a first bypass transistor, and a second bypass transistor, wherein the first bypass transistor and the second bypass transistor are series connected to each other between the RF input and the RF output, and a bypass shunt transistor connected between the first bypass transistor and the second bypass transistor.

Growing community of inventors

Chandler, AZ, United States of America

Namsik Ryu