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BackType 10.7MHz Ceramic Filter https://www.murata.com/en-us/products/filter/cerafil/sfecf 6-pin 3.8 x 3.8mm SAW filter package - 1.1x0.9 mm Body; (see https://www.murata.com/~/media/webrenewal/support/library/catalog/products/filter/rf/p73e.ashx?la=en-gb 5-pin filter package based on ** https://www.instructables.com/Another-MIDI-to-CV-Box-/ yet another version Alternative: CV from something else VCF MK's Diode Ladder VCF Kassutronic's KS-20 VCA MK's VCA Probably a straightforward build: one op-amp, four transistors and some example modules Latest commits for file Fireball/Fireball_panel.kicad_pro Latest commits for file Schematics/resistor_keyboard.diy 16055f0ae5 Delete 'Panels/futura medium condensed bt.ttf' ## Current draw ### Current draw 12 mA +12 V, and sustain voltage is taken from \npot pin 1. Cmp-Mod V01 Created by editing arbitrary text (using size = 200: // surface("FIREBALL VCO.png", center=true, invert=false); More experimentation with panel title fonts Futura BT font files The body text, captions, sub-headers, etc. In AD&D 1e type faces Final revision; added custom DRC as project file tstamp 885d8854-95c7-40d1-bee9-0e598504ab1c) Final revision; added custom DRC as project file tstamp 1c9c2c29-57db-4a4e-bbff-29f893ea0430) Final revision; added custom DRC as project file c4e1c30b9b Add jlc constraints DRC; replace order number text Things best left to external modules: CV-controlled CV offset module - add a global/master pitch control/modulation function with a wire. 06850ab678 Delete '3D Printing/AD&D 1e spell names in Filmoscope Quentin/Panels/POLYMORPH.png # precadsr.sch BOM Mon 19 Apr 2021 12:09:41 PM EDT Generated from schematic by Eeschema 5.1.9-73d0e3b20d~88~ubuntu20.04.1 Generated from schematic by Eeschema 5.1.9-73d0e3b20d~88~ubuntu20.04.1 Generated from schematic into main Reviewed-on: https://gitea.circuitlocution.com/synth_mages/MK_VCO/pulls/2 Merge pull request 'Put title box in PDF export Merge pull request synth_mages/MK_SEQ#1 2666d5803f Footprint selection, some PCB layout.
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