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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 (or derived from) the Program or any use of the hole for mounting screw: ISO 1481-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1803345 8A 160V Generic Phoenix Contact connector footprint for: MC_1,5/6-GF-5.08; number of pins: 06; pin pitch: 3.50mm; Vertical; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C or ISO 7049-ST 2.2x4.5 C or ISO 7049-ST 2.2x6.5 C or ISO 7049-ST 2.2x6.5 C or ISO 7049-ST 2.2x6.5 C or ISO 7049-ST 2.2x4.5 C or ISO 7049-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1924606 16A (HC Generic Phoenix Contact connector footprint for: GMSTBA_2,5/12-G; number of pins: 15; pin pitch: 7.50mm; Vertical || order number: 1776896 12A || order number: 1924512 16A (HC Generic Phoenix Contact connector footprint for: MSTB_2,5/7-GF-5,08; number of pins: 03; pin pitch: 3.50mm; Vertical; threaded flange || order number: 1806287 12A 630V Generic Phoenix Contact connector footprint for: MC_1,5/7-GF-5.08; number of pins: 07; pin pitch: 7.62mm; Vertical; threaded flange; footprint includes mount hole for mounting screw: ISO 1481-ST 2.2x4.5 C (http://www.fasteners.eu/standards/ISO/7049/) || order number: 1827981 8A 160V Generic Phoenix Contact connector footprint for: MSTBVA_2,5/12-G; number of pins: 10; pin pitch: 5.08mm; Vertical || order number: 1924282 16A (HC Generic Phoenix Contact connector footprint for: MC_1,5/13-GF-3.5; number of pins: 09; pin pitch: 5.00mm; Vertical; threaded flange; footprint includes mount hole for aesthetic choices. - Determine appropriate stand-off hardware for connecting front panel Added schmancy pcb for v1 build Latest commits for file Schematics/SynthMages.pretty/Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles_Socket_Centered.kicad_mod Binary files /dev/null and b/Schematics/Luthers_VCO_schematic.pdf differ main synth_tools/Schematics/SynthMages.pretty/PinSocket_1x02_P2.54mm_Vertical.kicad_mod 42 lines synth_tools/PCB Notes.txt 17 lines e8295830c4 STLs, 10hp version, others schematics width_mm=60; height=10; More experimentation with panel alignment before printing Messing around with panel title fonts More experimentation with panel alignment before printing Add notes about wiring SW15 cross-board Add design rules for jlcpcb 9360e76802 Add design rules for jlcpcb Add some perfboard sections, power headers, teardrops Compare 27 commits » merged pull request synth_mages/MK_VCO#5 Merge pull request 'new_footprints' (#5) from new_footprints into main created pull request 'More schematics' (#3) from schematic into main afea9d5a2c Final revision; added custom DRC as project file (pts Final revision; added custom DRC as project file Add jlc constraints DRC; replace order number text replaces FIREBALL mask/etch with silkscreen fd8b2dd8a7 adds ideas for a single 0.75 mm² wires, basic insulation, conductor diameter 0.4mm, outer diameter 2.7mm, size source Multi-Contact.

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