Samsung Electronics Co., Ltd.

Su-Seob Ahn

Jong-woo Lee

Si-Bum Jun

Byung-ki Han

Thomas Byung-Hak Cho

Jong-Woo Lee

Shin-Chul Kim

So-Young Kang

Min-Gyu Jo

Hee-Seon Shin

Byung-Ki Han

Jong-Mi Lee

Provided is a reconfigurable amplifier. The reconfigurable amplifier includes a gain circuit including a gain path configured to amplify an input signal, and a feed forward circuit including a feed forward path configured to receive the input signal and perform feed forward compensation on the input signal, and a first control circuit configured to perform the feed forward compensation in a first mode by activating the feed forward path, and deactivate the feed forward path in a second mode different from the first mode.

Multimode reconfigurable amplifier and analog filter including the same

An analog baseband filter apparatus for a multi-mode and multi-band wireless transceiver and a method for controlling the analog baseband filter apparatus are provided. The analog baseband filter apparatus includes a plurality of Radio Frequency (RF) units, each of the plurality of RF units being for receiving RF signals of one of a plurality of frequency bands and outputting baseband signals, a plurality of filter blocks for filtering and amplifying the baseband signals, and a switching unit for connecting at least two of the plurality of RF units to at least one of the plurality of filter blocks according to a selected communication mode, wherein the at least one of the plurality of filter blocks is configured to be connected to a capacitor region of an adjacent filter block from among the plurality of filter blocks.

Analog baseband filter apparatus for multi-band and multi-mode wireless transceiver and method for controlling the filter apparatus

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Seoul, South Korea

Su-Seob Ahn