Dsg d  n 𰼼q   &f&iDesigned by Phil Townshend 2008Arialdo z @ @?"@y G|"// 110*`.*`-*.*0*?"  N 0.54000050pp~pp{p~pp"xh1N4002(#0W (#Xz7(#"xX1N4002(#0W@8(#Xz`T(#|"`{/ 110*p.*p.*.*0*"E>BF@@""B_@_  C  C|""HB>B@@H@""e  @ @e|""M|H1N4002(#pkg(#h(#"H>"H@H  ""AO8H"H>/H@@@@/ /|"">~@~  ""Mx R1N4002(#pkg(#h(#">~>/@~//@""8H"B_>/@ C@ C/@_/|"" d//e/e"?"   0.550000050pp~pp{p~pp" B@///@@/|"z"x`$:1K pp 4"7 m @j5"2@ 4"2@ 5" Graph of XSC1{Gz??@ " e  e|""]lg"@\pm#`=LM741NpbNpbNNN" B!ge@!ggee#z"f"@!Yp12" ~YubYuu`f"#f"@!Yг-12"~YuBu u@Y@#f"z"@ 4.7K pp "~: V >K: @V @V Kz""‘>/@ @ /z""@p~PSigA"@0'8SigB"]lx"dB~e@""x"E~F""^e ` `e|"""// //z""( (6"B!// /@!/#" B_ge e g@_g|""]l" dee e"^ de`e e">///@/|"""Xh]l">bde`e@eg"">ކg@g g"|""pPe@SigBpPFpPFpPFpxipxi"ޥ,e,e?""g"p,epPFpPFpPFpxipxi"r PC0TOut I I I I I"V r KKr KV K""O ] DR"V KKV KK#" `OutpPFpPFpPFpxipxi"^ b ކ"` ` 4""g"   pPFpPFpPFpxipxig"pjpPFpPFpPFpxipxi"pP@SigApPFpPFpPFpxipxi" ޥjj?""g"pH PY  pPFpPFpPFpxipxi"P, 0= `SigApPFpPFpPFpxipxi"!4 4 ކ"4 4 4""d@! 0{\rtf1\ansi\deff0\deftab254{\fonttbl{\f0\fnil\fcharset0 Arial;}}{\pard\ql \x\fs24\b RING MODULATOR\par \ql \x\fs20 SigA and SigB are mixed in the form of a multiplier or ring modulator by T1, T2 and D1-4. The inverting amplifier formed by IC1 is just to improve stability and provide a bit of gain. } }@ @{Gzt?"@