{ "version": 2, "name": "Dragonfly Rack", "board": { "rows": 19, "cols": 38, "kind": "strip" }, "cuts": [ "2,7", "2,20", "3,7", "3,12", "3,20", "3,30", "4,7", "4,12", "4,20", "4,30", "5,7", "5,20", "5,30", "6,7", "6,12", "6,20", "6,30", "7,7", "8,7", "8,12", "8,20", "9,7", "9,20", "10,20", "11,20", "12,9", "12,10", "13,3", "13,9", "13,10", "13,20", "13,32", "14,9", "14,20", "14,25", "14,32", "15,9", "15,20", "16,20", "16,32", "17,20", "17,32" ], "parts": [ { "id": "dfd01lk", "kind": "link", "ref": "J1", "value": "", "pins": [ [ 0, 11 ], [ 2, 11 ] ] }, { "id": "dfd02lk", "kind": "link", "ref": "J2", "value": "", "pins": [ [ 1, 3 ], [ 6, 3 ] ] }, { "id": "dfd03lk", "kind": "link", "ref": "J3", "value": "", "pins": [ [ 1, 0 ], [ 9, 0 ] ] }, { "id": "dfd04lk", "kind": "link", "ref": "J4", "value": "", "pins": [ [ 4, 2 ], [ 5, 2 ] ] }, { "id": "dfd05lk", "kind": "link", "ref": "J5", "value": "", "pins": [ [ 1, 19 ], [ 10, 19 ] ] }, { "id": "dfd06lk", "kind": "link", "ref": "J6", "value": "", "pins": [ [ 5, 5 ], [ 11, 5 ] ] }, { "id": "dfd07pt", "kind": "cap", "ref": "C1", "value": "10n", "pins": [ [ 7, 4 ], [ 8, 4 ] ], "device": "ceramic disc" }, { "id": "dfd08pt", "kind": "cap", "ref": "C2", "value": "100n", "pins": [ [ 0, 12 ], [ 1, 12 ] ], "device": "ceramic disc" }, { "id": "dfd09pt", "kind": "cap", "ref": "C3", "value": "100n", "pins": [ [ 9, 13 ], [ 10, 13 ] ], "device": "ceramic disc" }, { "id": "rk001", "kind": "link", "ref": "J7", "pins": [ [ 9, 17 ], [ 0, 17 ] ] }, { "id": "rk002", "kind": "link", "ref": "J8", "pins": [ [ 4, 10 ], [ 1, 10 ] ] }, { "kind": "diode", "value": "1N5817", "polarized": true, "device": "schottky", "mount": "vertical", "id": "rk003", "ref": "D1", "pins": [ [ 13, 37 ], [ 12, 37 ] ] }, { "kind": "diode", "value": "1N5817", "polarized": true, "device": "schottky", "mount": "vertical", "id": "rk004", "ref": "D2", "pins": [ [ 18, 36 ], [ 17, 36 ] ] }, { "id": "rk005", "kind": "link", "ref": "J9", "pins": [ [ 14, 36 ], [ 15, 36 ] ] }, { "id": "rk006", "kind": "link", "ref": "J10", "pins": [ [ 16, 35 ], [ 15, 35 ] ] }, { "id": "rk007", "kind": "link", "ref": "J11", "pins": [ [ 15, 29 ], [ 8, 29 ] ] }, { "id": "rk008", "kind": "link", "ref": "J12", "pins": [ [ 8, 23 ], [ 1, 23 ] ] }, { "kind": "ecap", "value": "10u", "polarized": true, "id": "rk009", "ref": "C6", "pins": [ [ 12, 31 ], [ 15, 31 ] ] }, { "kind": "ecap", "value": "10u", "polarized": true, "id": "rk010", "ref": "C7", "pins": [ [ 18, 30 ], [ 15, 30 ] ] }, { "id": "rk011", "kind": "reg", "ref": "U1", "value": "", "device": "78L05", "pins": [ [ 0, 36 ], [ 1, 36 ], [ 2, 36 ] ] }, { "id": "rk012", "kind": "link", "ref": "J13", "pins": [ [ 12, 35 ], [ 2, 35 ] ] }, { "kind": "cap", "value": "100n", "device": "ceramic disc", "id": "rk013", "ref": "C8", "pins": [ [ 2, 33 ], [ 1, 33 ] ] }, { "kind": "ecap", "value": "10u", "polarized": true, "id": "rk014", "ref": "C9", "pins": [ [ 0, 25 ], [ 1, 25 ] ] }, { "kind": "cap", "value": "100n", "device": "ceramic disc", "id": "rk015", "ref": "C10", "pins": [ [ 0, 30 ], [ 1, 30 ] ] }, { "id": "rk016", "kind": "link", "ref": "J14", "pins": [ [ 12, 34 ], [ 3, 34 ] ] }, { "id": "rk017", "kind": "link", "ref": "J15", "pins": [ [ 18, 22 ], [ 6, 22 ] ] }, { "id": "rk018", "kind": "link", "ref": "J16", "pins": [ [ 5, 25 ], [ 8, 25 ] ] }, { "id": "rk019", "kind": "link", "ref": "J17", "pins": [ [ 6, 36 ], [ 8, 36 ] ] }, { "id": "rk020", "kind": "trans", "ref": "Q1", "value": "", "device": "2N3904", "pins": [ [ 9, 28 ], [ 8, 28 ], [ 7, 28 ] ] }, { "id": "rk021", "kind": "trans", "ref": "Q2", "value": "", "device": "2N3904", "pins": [ [ 9, 24 ], [ 10, 24 ], [ 11, 24 ] ] }, { "id": "rk022", "kind": "link", "ref": "J18", "pins": [ [ 4, 33 ], [ 9, 33 ] ] }, { "id": "rk023", "kind": "link", "ref": "J19", "pins": [ [ 5, 37 ], [ 11, 37 ] ] }, { "kind": "res", "value": "4M7", "device": "fixed", "mount": "vertical", "id": "rk024", "ref": "R6", "pins": [ [ 12, 28 ], [ 11, 28 ] ] }, { "id": "rk025", "kind": "link", "ref": "J20", "pins": [ [ 3, 21 ], [ 10, 21 ] ] }, { "id": "rk026", "kind": "trim", "ref": "VR1", "value": "5k", "device": "trimpot", "pins": [ [ 3, 27 ], [ 4, 27 ], [ 5, 27 ] ] }, { "id": "rk027", "kind": "link", "ref": "J21", "pins": [ [ 4, 26 ], [ 13, 26 ] ] }, { "kind": "res", "value": "100k", "device": "fixed", "mount": "vertical", "id": "rk028", "ref": "R7", "pins": [ [ 14, 23 ], [ 13, 23 ] ] }, { "kind": "res", "value": "100k", "device": "fixed", "mount": "vertical", "id": "rk029", "ref": "R8", "pins": [ [ 14, 27 ], [ 13, 27 ] ] }, { "id": "rk030", "kind": "link", "ref": "J22", "pins": [ [ 18, 4 ], [ 15, 4 ] ] }, { "kind": "ecap", "value": "1u", "polarized": true, "id": "rk031", "ref": "C11", "pins": [ [ 11, 1 ], [ 13, 1 ] ] }, { "kind": "res", "value": "10k", "device": "fixed", "id": "rk032", "ref": "R9", "pins": [ [ 13, 2 ], [ 13, 5 ] ] }, { "kind": "res", "value": "22k", "device": "fixed", "mount": "vertical", "id": "rk033", "ref": "R10", "pins": [ [ 12, 6 ], [ 13, 6 ] ] }, { "id": "rk034", "kind": "link", "ref": "J23", "pins": [ [ 14, 3 ], [ 10, 3 ] ] }, { "id": "rk035", "kind": "link", "ref": "J24", "pins": [ [ 12, 7 ], [ 16, 7 ] ] }, { "kind": "res", "value": "1k", "device": "fixed", "mount": "vertical", "id": "rk036", "ref": "R11", "pins": [ [ 16, 2 ], [ 17, 2 ] ] }, { "id": "rk037", "kind": "link", "ref": "J25", "pins": [ [ 13, 15 ], [ 14, 15 ] ] }, { "id": "rk038", "kind": "link", "ref": "J26", "pins": [ [ 15, 14 ], [ 10, 14 ] ] } ], "ics": [ { "id": "dfic1", "ref": "IC1", "part": "CD4046", "pins": 16, "pin1": [ 2, 6 ], "span": 3, "autoCuts": [ "2,7", "3,7", "4,7", "5,7", "6,7", "7,7", "8,7", "9,7" ] }, { "id": "rkic2", "ref": "IC2", "part": "TL072", "pins": 8, "pin1": [ 3, 29 ], "span": 3, "autoCuts": [ "3,30", "4,30", "5,30", "6,30" ] }, { "id": "rkic3", "ref": "IC3", "part": "TL072", "pins": 8, "pin1": [ 12, 8 ], "span": 3, "autoCuts": [ "12,9", "13,9", "14,9", "15,9" ] } ], "pads": [ { "id": "rkp01", "label": "V+", "at": [ 0, 1 ], "to": "the +5 rail, off the 78L05 - a test point; nothing leaves the board here" }, { "id": "rkp02", "label": "PITCH_V", "at": [ 0, 3 ], "to": "pitch pot lug 3, +5 V" }, { "id": "rkp03", "label": "GND", "at": [ 1, 1 ], "to": "ground - the rack's, through the header" }, { "id": "rkp04", "label": "PITCH_G", "at": [ 1, 6 ], "to": "pitch pot lug 1, ground" }, { "id": "rkp05", "label": "DROP_6", "at": [ 7, 2 ], "to": "the DROP bend: pin 6's strip. A second 10n and a toggle in series to DROP_7 drops the range an octave" }, { "id": "rkp06", "label": "DROP_7", "at": [ 8, 2 ], "to": "the DROP bend: pin 7's strip, the other end of that cap-and-toggle" }, { "id": "rkp07", "label": "H1", "at": [ 17, 33 ], "to": "power header pin 1: -12 V. The cable's RED STRIPE is this end" }, { "id": "rkp08", "label": "H2", "at": [ 17, 34 ], "to": "power header pin 2: -12 V. The cable's RED STRIPE is this end" }, { "id": "rkp09", "label": "H3", "at": [ 16, 33 ], "to": "power header pin 3: ground" }, { "id": "rkp10", "label": "H4", "at": [ 16, 34 ], "to": "power header pin 4: ground" }, { "id": "rkp11", "label": "H5", "at": [ 15, 33 ], "to": "power header pin 5: ground" }, { "id": "rkp12", "label": "H6", "at": [ 15, 34 ], "to": "power header pin 6: ground" }, { "id": "rkp13", "label": "H7", "at": [ 14, 33 ], "to": "power header pin 7: ground" }, { "id": "rkp14", "label": "H8", "at": [ 14, 34 ], "to": "power header pin 8: ground" }, { "id": "rkp15", "label": "H9", "at": [ 13, 33 ], "to": "power header pin 9: +12 V" }, { "id": "rkp16", "label": "H10", "at": [ 13, 34 ], "to": "power header pin 10: +12 V" }, { "id": "rkp17", "label": "CV_IN", "at": [ 14, 21 ], "to": "1 V/oct jack tip - through R7 into the summer" }, { "id": "rkp18", "label": "PITCH_W", "at": [ 14, 30 ], "to": "pitch pot wiper (B100K between PITCH_V and PITCH_G) - through R8 into the summer; the coarse tune" }, { "id": "rkp19", "label": "OUT", "at": [ 17, 10 ], "to": "output jack tip - the VCO's square, about +/-5 V" }, { "id": "rkp20", "label": "OUT_S", "at": [ 10, 17 ], "to": "jack sleeves and the pitch pot's lug 1 can also land here: ground" } ], "netlist": "# Dragonfly Rack - written from the board\n# 19 strips of 38 holes, 47 parts, 3 chips, 42 cuts\n#\n# The CD4046 at (2,6), C1-C3 and J1-J6 are the Dragonfly VCO, hole for\n# hole; pin 9 is tied to +5 (J7) and pin 14 to ground (J8). Pitch is now a\n# 1 V/oct exponential current sink on pin 11: IC2 A sums CV_IN and PITCH_W\n# (100k each, VR1 5k feedback = the scale trim) onto the base of Q2; IC2 B holds\n# the collector of Q2 at ground with R6 4M7 from +12 and drives both emitters;\n# the collector of Q1 is pin 11. IC3 A: the square off pin 4 through 1u/10k, 22k\n# feedback, out through 1k. 2x5 power header H1-H10, red stripe at H1/H2 on\n# strip 17; a 1N5817 on each rail; a 78L05 makes the +5.\n\n-12_RAW: @H1 @H2 D2.B\n-12: D2.A C7.A IC2.4 J15.A J15.B IC3.4 J22.A J22.B\n+12_RAW: @H9 @H10 D1.A\n+12: D1.B C6.A U1.I J13.A J13.B C8.A IC2.8 J14.A J14.B R6.A IC3.8\nEMITTERS: IC2.7 Q1.E Q2.E J18.A J18.B\nQ2_C: IC2.6 Q2.C J19.A J19.B R6.B\nSUM_OUT: IC2.1 Q2.B J20.A J20.B VR1.1\nSUM: IC2.2 VR1.W J21.A J21.B R7.B R8.B\nCV_IN: R7.A @CV_IN\nPITCH_W: R8.A @PITCH_W\nCOUPLED: C11.B R9.A\nOUT_SUM: IC3.2 R9.B R10.B\nOUT_A3: IC3.1 R10.A J24.A J24.B R11.A\nOUT: R11.B @OUT\nFOLLOW: IC3.6 IC3.7 J25.A J25.B\nV+: J1.A J1.B C2.A C3.A IC1.9 IC1.16 @V+ @PITCH_V J7.A J7.B U1.O C9.A C10.A\nGND: J2.A J2.B J3.A J3.B J5.A J5.B C2.B C3.B IC1.5 IC1.8 IC1.14 @GND @PITCH_G J8.A J8.B @H3 @H4 @H5 @H6 @H7 @H8 J9.A J9.B J10.A J10.B J11.A J11.B J12.A J12.B C6.B C7.B U1.G C8.B C9.B C10.B IC2.3 IC2.5 J16.A J16.B J17.A J17.B Q1.B VR1.3 IC3.3 IC3.5 J23.A J23.B @OUT_S J26.A J26.B\nIC1_PHASEPULSES: IC1.1\nIC1_PC1OUT: IC1.2\nIC1_ZENER: IC1.15\nIC1_VCOOUT: J4.A J4.B J6.A J6.B IC1.3 IC1.4 C11.A\nIC1_PC2OUT: IC1.13\nIC1_R2: IC1.12\nIC1_C1A: C1.A IC1.6 @DROP_6\nRANGE_W: IC1.11 Q1.C\nIC1_C1B: C1.B IC1.7 @DROP_7\nIC1_DEMODOUT: IC1.10\n" }