Circuit

In one embodiment, a circuit includes: a digital attenuator portion including: a first attenuator end and a second attenuator end; a first inductor having a first end coupled to the first attenuator end and a second end coupled to the second attenuator end; a first switch arrangement comprising a first switch having a first switch terminal and a second switch terminal, where the first switch terminal is coupled to the first terminal of the first inductor, and a first resistor and a first capacitor arranged in parallel, coupled between the second switch terminal and a reference voltage; and a second switch arrangement comprising a second switch having a first switch terminal and a second switch terminal, where the first switch terminal is coupled to the second terminal of the first inductor, and where a second resistor and a second capacitor are arranged in parallel and coupled between the second switch terminal and the reference terminal. 一种电路包括：数字衰减器部分，所述数字衰减器部分包括：第一衰减器端和第二衰减器端；第一电感器，所述第一电感器具有耦合到所述第一衰减器端的第一端