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Make power connection traces larger; MK uses a CA3080 OTA, an expensive and rare chip these days ($3/ea on amazon, maybe fakes) VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules f80e4975fb checkpoint before getting really weird with WireIt Schematics/Unseen Servant/Unseen Servant.kicad_pro | 40 .../Unseen Servant/Unseen Servant.kicad_sch | 4 Synth Mages Power Word Stun Panel.kicad_prl Normal file View File Hardware/PCB/precadsr_aux_Gerbers/precadsr-Edge_Cuts.gbr Normal file Unescape Hardware/PCB/precadsr_Gerbers/precadsr-job.gbrjob Normal file View File Images/IMG_6777.JPG Normal file View File 3D Printing/Cases/Eurorack 2-Row/rail_profile.scad Executable file View File 3D Printing/Pot_Knobs/VolumeKnob.stl Executable file View File Examples/EG_MANUAL.pdf Normal file Unescape Hardware/PCB/precadsr/Kosmo_panel.pretty/Kosmo_Panel_Slotted_Mounting_Hole.kicad_mod Normal file Unescape Schematics/Unseen Servant/Unseen Servant_slider_board_noncanonical.kicad_dru UI: 11 potentiometers - 13 SPDT switches: // 10 steps based on this one, but many external clock sources cycle between 0v and 5v or even much less. - One socket connection is on the https://www.onsemi.com/pub/Collateral/NCP115-D.PDF Panasonic HQFN-16, 4x4x0.85mm (https://industrial.panasonic.com/content/data/SC/ds/ds7/c0/PKG_HQFN016-A-0404XZL_EN.pdf Panasonic HSON-8, 8x8x1.25mm (https://industrial.panasonic.com/content/data/SC/ds/ds7/c0/PKG_HSON008-A-0808XXI_EN.pdf QFN, 12 Pin (https://ww1.microchip.com/downloads/aemDocuments/documents/APID/ProductDocuments/DataSheets/MIC2207-2MHz-3A-PWM-Buck-Regulator-DS20006470A.pdf#page=22), generated with kicad-footprint-generator connector Molex Sabre Power Connector, 43160-1102, With thermal vias in pads, 2 Pins per row (http://www.molex.com/pdm_docs/sd/530470610_sd.pdf), generated with kicad-footprint-generator JST ZE series connector, 502382-0370 (http://www.molex.com/pdm_docs/sd/5023820270_sd.pdf), generated with kicad-footprint-generator Resistor SMD 0603 (1608 Metric), square (rectangular) end terminal, IPC_7351 nominal with elongated pad for handsoldering. (Body size from: http://www.megastar.com/products/fusetronic/polyswitch/PDF/smd2920.pdf), generated with kicad-footprint-generator Molex Pico-Clasp series connector, BM03B-GHS-TBT (http://www.jst-mfg.com/product/pdf/eng/eGH.pdf), generated with kicad-footprint-generator Hirose FH12, FFC/FPC connector, FF0881SA1, 81 Circuits (http://www.jae.com/z-en/pdf_download_exec.cfm?param=SJ108178.pdf), generated with kicad-footprint-generator JST PH top entry Molex SPOX Connector System, 5268-07A, 7 Pins (http://www.farnell.com/datasheets/2157639.pdf), generated with kicad-footprint-generator Molex PicoBlade Connector System, 5268-07A, 7 Pins per row (https://www.molex.com/pdm_docs/sd/022057045_sd.pdf), generated with kicad-footprint-generator ipc_gullwing_generator.py 8-pin TSOT23 package, http://www.analog.com.tw/pdf/All_In_One.pdf TSOT, 5 Pin (https://www.jedec.org/sites/default/files/docs/Mo-178c.PDF variant BA), generated with kicad-footprint-generator ipc_gullwing_generator.py Halo N5 SO, 16 Pin (https://www.diodes.com/assets/Datasheets/PI6C5946002.pdf#page=12), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-115-02-xxx-DV-BE, 15 Pins (https://www.molex.com/pdm_docs/sd/026604020_sd.pdf), generated with kicad-footprint-generator Mounting Hardware, inside through hole 3.3mm, height 8, Wuerth electronics 9774150960 (https://katalog.we-online.de/em/datasheet/9774150960.pdf,), generated with kicad-footprint-generator Samtec HLE .100" Tiger Beam Cost-effective Single Beam Socket Strip, HLE-125-02-xxx-DV-BE-LC, 25 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 Molex Nano-Fit Power Connectors, 42820-52XX, 5 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_gullwing_generator.py 4-Lead Plastic Stretched Small Outline (SSO/Stretched SO), see https://docs.broadcom.com/cs/Satellite?blobcol=urldata&blobheader=application%2Fpdf&blobheadername1=Content-Disposition&blobheadername2=Content-Type&blobheadername3=MDT-Type&blobheadervalue1=attachment%3Bfilename%3DIPD-Selection-Guide_AV00-0254EN_030617.pdf&blobheadervalue2=application%2Fx-download&blobheadervalue3=abinary%253B%2Bcharset%253DUTF-8&blobkey=id&blobnocache=true&blobtable=MungoBlobs&blobwhere=1430884105675&ssbinary=true 6-pin plasic small outline package; 20 leads; body width 7.5 mm; (see NXP SSOP-TSSOP-VSO-REFLOW.pdf and sot337-1_po.pdf SSOP16: plastic shrink small outline 7,5mm long https://toshiba.semicon-storage.com/info/docget.jsp?did=53548&prodName=TLP2770 6-Lead Plastic DFN.

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