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A ring arrangement; a challenging PCB and/or print job! See PDF at https://raw.githubusercontent.com/kassu/kassutronics/master/documentation/Quantizer/Quantizer_Build_Docs_1.1A.pdf for explanation about PWM smoothing; essentially a 4-stage RC network but with an eye towards doing it all in one module with lots of analog drum voices; based heavily on Moritz Klein's work, but with an attenuator, intended for use of these two come directly from kicad hole_right = hole_left + 78.5; footprint "eurorack_rail_hole" (version 20221018) (generator pcbnew min_thickness 0.254) (filled_areas_thickness no Binary files /dev/null and b/Panels/Futura XBlk BT.ttf | Bin 0 -> 149061 bytes Images/IMG_6770.JPG | Bin 0 -> 43300 bytes Panels/FireballSpell_Large_bw.xcf | Bin 0 -> 74084 bytes Docs/precadsr_layout_front.pdf | Bin 0 -> 445539 bytes Images/precadsr-panel-holes.png | Bin 0 -> 138868 bytes Docs/precadsr_bom.md | 3 | AudioJack2 | Audio Jack, 2 Poles (Mono / TS)"/> Low-Power, Quad-Operational Amplifiers, DIP-14/SOIC-14/SSOP-14 Small Signal NPN Transistor, TO-92 KK254 Molex header 2.54 mm spacing 3 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch female-on-board top-entry thru-hole 18 pin connector, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=showdoc&DocId=Customer+Drawing%7F215079%7FY1%7Fpdf%7FEnglish%7FENG_CD_215079_Y1.pdf%7F215079-4 connector TE-Connectivity Micro-MaTch Vertical 215079-8 7-215079-8 USB 3.0, type A, Horizontal, https://www.te.com/commerce/DocumentDelivery/DDEController?Action=srchrtrv&DocNm=292303&DocType=Customer+Drawing&DocLang=English USB A connector http://katalog.we-online.de/em/datasheet/61400826021.pdf A,phenol MUSB_D511, USB B receptable with flange, https://cdn.amphenol-icc.com/media/wysiwyg/files/drawing/10118193.pdf Dustproof Micro USB Type C, right-angle, SMT, https://datasheet.lcsc.com/szlcsc/1811141824_XKB-Enterprise-U262-161N-4BVC11_C319148.pdf Micro USB Typ-B (http://www.molex.com/pdm_docs/sd/1051330001_sd.pdf Micro-USB SMD Typ-B GCT Molex Vertical Micro USB Typ-B (http://www.molex.com/pdm_docs/sd/1051330031_sd.pdf Micro USB B receptacle, Horizontal, through-hole, http://www.on-shore.com/wp-content/uploads/2015/09/usb-b1hsxx.pdf USB-B receptacle horizontal through-hole USB B vertical female connector Universal Serial Bus (USB) Shielded I/O Plug, Type C, right-angle, SMT, https://datasheet.lcsc.com/szlcsc/1811141824_XKB-Enterprise-U262-161N-4BVC11_C319148.pdf.

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