div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: 353 Advance Radio Radar - crieffaircadetsorguk Paper · Amplifier Buffer Amplifier Aerial A tuned circuit is used to: Attenuate all unwanted signals Filter out all unwanted src=https:reader033vdocumentssitereader033viewer2022060807608bc0a1e769305cf01c2bebhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: 353 Advance Radio Radar - crieffaircadetsorguk Paper · Amplifier Buffer Amplifier Aerial A tuned circuit is used to: Attenuate all unwanted signals Filter out all unwanted src=https:reader033vdocumentssitereader033viewer2022060807608bc0a1e769305cf01c2bebhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv