Dsg d  n 𰼼q   &f&iProduced by Phil Townshend 2008Arialdo z @ @?"@y Ie" ` @ @ @ @ @ z"= T@10K  H? H?#)`N NpbNpbNNN"H jj jHj#z"z"`/g10K  H? H?z"  1.2K pp "b^b```z"z"" b` z"#"Xh"~B_ކ@_#e",e @ @ @ @ @ "8XHf"CB_ކb@_@_` C`z"f"Yj@212ppklpf"YjK-12pPFpPFlPFlxipxi"b"b> b b@f"#4"`  N5"  @!4"  @!5" Graph of XSC1Mb`?@$$@ "7 o *:OP I I I I I" jOPpPFpPFlPFlxipxie"  @ @ @ @ @ @ " j  je"4"e" ` @ @ @ @ @ @ "> B j@ @ je"4""NPb0sIP?" `g( 550000050pp{ppgp|pp"pP@IPpPFpPFlPFlxipxie"   @ @ @ @ @ "B@e"?"" jIPpPFpPFlPFlxipxidK: @{\rtf1\ansi\deff0\deftab254{\fonttbl{\f0\fnil\fcharset0 Arial;}}{\pard\ql \x\fs24\b\ul SALLEN-KEY HIGH PASS FILTER - DUAL CASCADE\par \ql \x\fs20 2 filters have been put in series to improve cut-off slope and performance} }" B_ޥj@_@_jz" ` 10K pp x"`I47n@ `T: `T; w< @ z"x"I47n@ `T< `T; w< @ " /Hޥj/j/Hx"z"x"I100n@ `T< `T: w< @ " /gjjgj/jx"x""(6cq"AOcq" HjjHjjz"x"" HH~KHHKz"e"e" ` @ @ @ @ @ z",@10K  H? H?#@ r N NpbNpbNNN">!"jj j@!j#z"z"@/g10K  H? H?z" @ 1.2K pp "r ^br ``z"z"""b` z"#"Xh"ގ 7 ކ 7 #e" `= @ @ @ @ @ "0 > "~ 7 ކb7 7 ` `z"f"2 B @212ppklpf"2 B K-12pPFpPFlPFlxipxi"~: : >: : @f"#"7 ޥ27 7 2z"Y 10K pp "z"x""B!ޥjj@!x"z"x"`I100n@ `T< `T: w< @ "B@jj@@jjx"x""cq"8H(cq"B!jj@!jjz"x"">!B!~K@!@!Kz"e""8XHfcq">_B_j@_j@_x"" 0 > x+9"7 7 ~27 27 "d ,{\rtf1\ansi\deff0\deftab254{\fonttbl{\f0\fnil\fcharset0 Arial;}}{\pard\ql \x\fs20 fo = 0.707 / ( 2 Pi R C2)\par \ql \x\fs20 = 0.707 / (6.282 x 10000 x 0.000000047)\par \ql \x\fs20 = 240 Hz} }d@g,{\rtf1\ansi\deff0\deftab254{\fonttbl{\f0\fnil\fcharset0 Arial;}}{\pard\qc \x\fs20 Alter frequency and observe change in output.} }@ @dMbP?"@