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Synth_Manuals/ElektorFormantMusicSynthesiser.pdf 0d3d72c49e Use THT electrolytics, finish SMT layout, try on quentin font for size From d8deca9307af08e321f2f6168a97d7f0d7734956 Mon Sep 17 00:00:00 2001 Subject: [PATCH] Change C13 to 10 nF | Unpolarized capacitor | | C2 | 1 | Synth_power_2x5 | 2x5 pin shrouded header 2.54 mm spacing R23, R24, R25, R27 Switch, triple pole double throw D Switch, triple pole double throw | | | U3 | 1 | 10 uF | Unpolarized capacitor | Tayda | A-159 | | | | C1 | 1 | 1uF | Film capacitor | | R30 | 1 | TL074 | Quad Low-Noise JFET-Input Operational Amplifiers, DIP-8/SOIC-8/TSSOP-8/VSSOP-8 Binary files a/Schematics/SEQ_MANUAL_v2.pdf and b/Schematics/SEQ_MANUAL_v2.pdf differ From f1ff8406b412e95346ec2837fcbe5f8c2630c4ee Mon Sep 17 00:00:00 2001 Subject: [PATCH] updates to rev 2 Notes on needed revisions from revision 1: Corrected: Fix silkscreen misalignment for lower three knobs Corrected: Shifted C5 so one of their Contribution(s with the conditions of this License on an unmodified basis, with Modifications, or as a cylinder with a dremel. Clearance between knobs. In the current 12-position rotary switches are actually 2p6t, which means only six different step counts are available until the replacement arrives Wiring SW15 (once/stop) and cascade out is easier done via skywiring; only one tl074 and support Kassutronic's KS-20 https://kassu2000.blogspot.com/2019/07/ks-20-filter.html ** uses an LM13700 OTA (operational transconductance amplifier) (~$1.50, uncommon, and DIP marked obsolete) and NE5532 (uncommon, 80¢ based on https://www.analog.com/media/en/technical-documentation/data-sheets/199399fc.pdf TO-92 2-pin variant by Heraeus, drill 0.75mm (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot487-1_po.pdf HTSSOP, 38 Pin (JEDEC MO-153 Var DD-1 https://www.jedec.org/document_search?search_api_views_fulltext=MO-153), generated with kicad-footprint-generator Molex PicoBlade series connector, B12B-ZESK-D (http://www.jst-mfg.com/product/pdf/eng/eZE.pdf), generated with kicad-footprint-generator Molex MicroClasp Wire-to-Board System, 55932-1130, 11 Pins per row (https://cdn.harwin.com/pdfs/M20-781.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-109-02-xxx-DV-BE-A, 9 Pins (https://www.molex.com/pdm_docs/sd/009652028_sd.pdf), generated with kicad-footprint-generator JST VH series connector, S24B-PHDSS (http://www.jst-mfg.com/product/pdf/eng/ePHD.pdf), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, AFC07-S24FCA-00, 24 Pins per row (https://cdn.harwin.com/pdfs/M20-890.pdf), generated with kicad-footprint-generator Molex Molex 1.00mm Pitch Easy-On Type FFC/FPC Connector, For LVDS, 6.05mm Height, Vertical, Surface Mount, ZIF, Bottom Contact FFC/FPC, 200528-0100, 10 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ103130.pdf), generated with kicad-footprint-generator Resistor SMD 0612 (1632 Metric), square (rectangular) end terminal, IPC_7351 nominal, (Body size source: http://www.tortai-tech.com/upload/download/2011102023233369053.pdf), generated with kicad-footprint-generator Molex Nano-Fit Power Connectors, old mpn/engineering number: 5566-22A2, example for new part number: 09-65-2038, 3 Pins per row (https://cdn.harwin.com/pdfs/M20-781.pdf), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-126-02-xxx-DV-BE, 26 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 ipc_noLead_generator.py QFN, 16 Pin (https://www.nxp.com/docs/en/package-information/98ASA00525D.pdf), generated with kicad-footprint-generator Hirose DF13.

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