======================CIRCUITS_SWITCH_CAP====================================== Switch_Cap_equations ___ ___ _| | | |__ ___ ___/\ ___ |___| \ |___| ___ \/ \ _|_ ___ | _|_ \\\ R_eq 1/(freq_clock*C) Ron switche's On resistance BW 1/(2*PI*Ron*C) maximum bandwith of RC aliased Since BW >> freq_clock Alias_numb [ 1/(2*PI*Ron*C) ]/[freq_clock] alias_noise_Power 4*K*T*Ron*d_freq*Alias_numb Ron switching happens twice, add same noise each time. total Power 4*K*T*Ron*d_freq*(1/PI*Ron)*(1/(freq_clock*C)) alias_noise_Power 4*K*T*d_freq*(1/PI)*(R_eq) 1pole Low pass 2.46 dB more noise than defined by 3dB bandwidth meas_noise_Power 4*K*T*d_freq*(R_eq)*(1.34/PI) ... close