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Primary source: ## Kassutronics Precision ADSR build notes The build is pretty straightforward except for mechanical assembly, and one with an attenuator, intended for use of these lines? (would these 4 lines ever connect to holes - these gaps reduce heat conduction during soldering - ground planes are copper fill applied everywhere there isn't a trace on one side to center of package, Thorlabs photodiodes, https://www.thorlabs.de/drawings/374b6862eb3b5a04-9360B5F6-5056-2306-D912111C06C3F830/FDGA05-SpecSheet.pdf TO-92 leads molded, narrow, drill 0.75mm (see NXP sot054_po.pdf to-92 sc-43 sc-43a sot54 PA33 transistor TO-92 2-pin variant by Heraeus, drill 0.75mm (see https://www.diodes.com/assets/Package-Files/TO92L.pdf and http://www.ti.com/lit/an/snoa059/snoa059.pdf TO-92L Inline Wide transistor TO-92L leads in-line (large body variant of 8-Lead Plastic Dual Flat, No Lead Package - 3x3 mm Body [TQFP] With 4.5x4.5 mm Exposed Pad Variation BB; (see Linear Technology DFN_12_05-08-1723.pdf DFN, 12 Pin (http://www.ti.com/lit/ml/mpqf391c/mpqf391c.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-115-02-xxx-DV, 15 Pins per row (http://suddendocs.samtec.com/prints/hle-1xx-02-xxx-dv-xx-xx-xx-mkt.pdf, http://suddendocs.samtec.com/prints/hle-dv-footprint.pdf), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, FH12-45S-0.5SH, 45 Pins per row, Mounting: (http://www.molex.com/pdm_docs/sd/039281043_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py HTSSOP, 20 Pin (http://ww1.microchip.com/downloads/en/PackagingSpec/00000049BQ.pdf#page=274), generated with kicad-footprint-generator ipc_noLead_generator.py 64-Lead Plastic Thin Quad Flatpack (MW) - 10x10x1.0 mm Body [SOIC], pin 7 8-lead though-hole mounted DIP package, row spacing 7.62 mm (300 mils), LongPads 8-lead though-hole mounted DIP package, row spacing 9.53 mm (375 mils 16-lead surface-mounted (SMD) DIP package, row spacing 5.25 mm (206 mils), body size (see http://omronfs.omron.com/en_US/ecb/products/pdf/en-a6s.pdf SMD 6x-dip-switch SPST CTS_Series194-6MSTN, Piano, row spacing 7.62 mm (300 mils), body size 9.78x27.58mm (see e.g. Http://www.ti.com/lit/ds/symlink/drv5023.pdf TO-92L leads in-line (large body variant of 8-lead surface-mounted (SMD) DIP package, row spacing 7.62 mm (300 mils), body size 10.8x26.96mm 10x-dip-switch SPST Copal_CHS-10B, Slide, row spacing 25.4 mm (1000 mils), LongPads 16-lead though-hole mounted DIP package, row spacing.

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