00309cam a2200169   450000500170000024500530001702000050007010000150007504400050009025000050009504100080010030000050010850000050011383000050011826000090012308200070013220260711133832.0  aPractical Circuit Desing for the Experimenter.b  a  aTuite, Don  a  a  aspa  a  a  v  abc  ab