[[AndoLabInstruments]] * 3rd-order low-pass Butterworth filter for Lorentz invariance test [#t3daf06e] ** Circuit diagram [#te0d7b05] #ref(3rdLPF.png,,100%); ** Transfer Function [#mf343167] ※ 準備中 ** Equivalent Input Noise [#mf343167] - measured by Y Sakai in December 2017 #ref(3rdLPFnoise.png,,50%); ** Implementation [#mf343167] ** Design [#z7bbdfa0] - designed by Y Michimura