{ "version": 2, "name": "Switchboard Rack", "board": { "rows": 24, "cols": 38, "kind": "strip" }, "cuts": [ "0,12", "0,27", "1,2", "1,10", "2,10", "3,3", "3,10", "3,25", "3,30", "3,32", "4,10", "4,16", "4,30", "4,32", "5,10", "5,14", "5,18", "5,25", "5,30", "5,32", "6,10", "6,21", "6,25", "6,30", "6,32", "7,10", "7,25", "7,30", "7,32", "8,25", "8,32", "9,25", "9,32", "10,25", "10,30", "10,33", "11,27", "14,33", "17,3", "17,9", "18,3", "18,9", "18,30", "19,9", "19,30", "20,9" ], "parts": [ { "id": "swr01lk", "kind": "link", "ref": "J1", "value": "", "pins": [ [ 0, 11 ], [ 1, 11 ] ] }, { "id": "swr02lk", "kind": "link", "ref": "J2", "value": "", "pins": [ [ 5, 13 ], [ 0, 13 ] ] }, { "id": "swr03lk", "kind": "link", "ref": "J3", "value": "", "pins": [ [ 0, 26 ], [ 5, 26 ] ] }, { "id": "swr04lk", "kind": "link", "ref": "J4", "value": "", "pins": [ [ 6, 26 ], [ 11, 26 ] ] }, { "id": "swr05lk", "kind": "link", "ref": "J5", "value": "", "pins": [ [ 3, 0 ], [ 7, 0 ] ] }, { "id": "swr06lk", "kind": "link", "ref": "J6", "value": "", "pins": [ [ 2, 1 ], [ 13, 1 ] ] }, { "id": "swr07lk", "kind": "link", "ref": "J7", "value": "", "pins": [ [ 4, 2 ], [ 12, 2 ] ] }, { "id": "swr08lk", "kind": "link", "ref": "J8", "value": "", "pins": [ [ 6, 3 ], [ 11, 3 ] ] }, { "id": "swr09lk", "kind": "link", "ref": "J9", "value": "", "pins": [ [ 7, 5 ], [ 8, 5 ] ] }, { "id": "swr10lk", "kind": "link", "ref": "J10", "value": "", "pins": [ [ 4, 21 ], [ 8, 21 ] ] }, { "id": "swr11lk", "kind": "link", "ref": "J11", "value": "", "pins": [ [ 6, 23 ], [ 8, 23 ] ] }, { "id": "swr12lk", "kind": "link", "ref": "J12", "value": "", "pins": [ [ 8, 20 ], [ 9, 20 ] ] }, { "id": "swr13lk", "kind": "link", "ref": "J13", "value": "", "pins": [ [ 9, 22 ], [ 10, 22 ] ] }, { "id": "swr14lk", "kind": "link", "ref": "J14", "value": "", "pins": [ [ 1, 28 ], [ 3, 28 ] ] }, { "id": "swr15lk", "kind": "link", "ref": "J15", "value": "", "pins": [ [ 4, 28 ], [ 7, 28 ] ] }, { "id": "swr16lk", "kind": "link", "ref": "J16", "value": "", "pins": [ [ 0, 29 ], [ 4, 29 ] ] }, { "id": "swr17lk", "kind": "link", "ref": "J17", "value": "", "pins": [ [ 7, 29 ], [ 11, 29 ] ] }, { "id": "swr18lk", "kind": "link", "ref": "J18", "value": "", "pins": [ [ 12, 28 ], [ 10, 28 ] ] }, { "id": "swr19lk", "kind": "link", "ref": "J19", "value": "", "pins": [ [ 1, 33 ], [ 3, 33 ] ] }, { "id": "swr20lk", "kind": "link", "ref": "J20", "value": "", "pins": [ [ 10, 32 ], [ 11, 32 ] ] }, { "id": "swr21lk", "kind": "link", "ref": "J21", "value": "", "pins": [ [ 8, 35 ], [ 11, 35 ] ] }, { "id": "swq027", "kind": "ecap", "ref": "C8", "value": "100u", "pins": [ [ 1, 31 ], [ 0, 31 ] ], "polarized": true }, { "id": "swq028", "kind": "res", "ref": "R1", "value": "1k", "pins": [ [ 1, 1 ], [ 1, 4 ] ], "device": "fixed" }, { "id": "swq029", "kind": "ecap", "ref": "C1", "value": "1u", "pins": [ [ 0, 5 ], [ 1, 5 ] ], "polarized": true }, { "id": "swq030", "kind": "ecap", "ref": "C2", "value": "4u7", "pins": [ [ 3, 4 ], [ 3, 2 ] ], "polarized": true }, { "id": "swq031", "kind": "res", "ref": "R2", "value": "470k", "pins": [ [ 3, 8 ], [ 4, 5 ] ], "device": "fixed" }, { "id": "swq032", "kind": "cap", "ref": "C3", "value": "47n", "pins": [ [ 7, 4 ], [ 5, 4 ] ], "device": "ceramic MLCC" }, { "id": "swq033", "kind": "res", "ref": "R3", "value": "100k", "pins": [ [ 5, 5 ], [ 6, 8 ] ], "device": "fixed" }, { "id": "swq034", "kind": "cap", "ref": "C4", "value": "47n", "pins": [ [ 1, 19 ], [ 2, 19 ] ], "device": "ceramic MLCC" }, { "id": "swq035", "kind": "res", "ref": "R4", "value": "33k", "pins": [ [ 2, 15 ], [ 3, 18 ] ], "device": "fixed" }, { "id": "swq036", "kind": "cap", "ref": "C5", "value": "47n", "pins": [ [ 4, 15 ], [ 4, 17 ] ], "device": "ceramic MLCC" }, { "id": "swq037", "kind": "res", "ref": "R5", "value": "47k", "pins": [ [ 4, 14 ], [ 0, 14 ] ], "device": "fixed" }, { "id": "swq038", "kind": "cap", "ref": "C6", "value": "47n", "pins": [ [ 6, 14 ], [ 8, 14 ] ], "device": "ceramic MLCC" }, { "id": "swq039", "kind": "res", "ref": "R6", "value": "68k", "pins": [ [ 6, 17 ], [ 7, 20 ] ], "device": "fixed" }, { "id": "swq040", "kind": "ecap", "ref": "C7", "value": "1u", "pins": [ [ 5, 19 ], [ 5, 17 ] ], "polarized": true }, { "id": "swq041", "kind": "res", "ref": "R7", "value": "100k", "pins": [ [ 5, 16 ], [ 8, 16 ] ], "device": "fixed" }, { "id": "rk001", "kind": "link", "ref": "J23", "pins": [ [ 9, 37 ], [ 14, 37 ] ] }, { "kind": "res", "value": "100k", "device": "fixed", "id": "rk002", "ref": "R8", "pins": [ [ 14, 31 ], [ 14, 34 ] ] }, { "kind": "diode", "value": "1N5817", "polarized": true, "device": "schottky", "mount": "vertical", "id": "rk003", "ref": "D1", "pins": [ [ 18, 32 ], [ 17, 32 ] ] }, { "kind": "diode", "value": "1N5817", "polarized": true, "device": "schottky", "mount": "vertical", "id": "rk004", "ref": "D2", "pins": [ [ 23, 32 ], [ 22, 32 ] ] }, { "id": "rk005", "kind": "link", "ref": "J24", "pins": [ [ 11, 30 ], [ 16, 30 ] ] }, { "id": "rk006", "kind": "link", "ref": "J25", "pins": [ [ 16, 14 ], [ 21, 14 ] ] }, { "id": "rk007", "kind": "link", "ref": "J26", "pins": [ [ 19, 33 ], [ 20, 33 ] ] }, { "id": "rk008", "kind": "link", "ref": "J27", "pins": [ [ 20, 34 ], [ 21, 34 ] ] }, { "kind": "ecap", "value": "10u", "polarized": true, "id": "rk009", "ref": "C9", "pins": [ [ 17, 28 ], [ 16, 28 ] ] }, { "kind": "ecap", "value": "10u", "polarized": true, "id": "rk010", "ref": "C10", "pins": [ [ 21, 28 ], [ 23, 28 ] ] }, { "id": "rk011", "kind": "reg", "ref": "U4", "value": "", "device": "78L05", "pins": [ [ 15, 20 ], [ 16, 20 ], [ 17, 20 ] ] }, { "kind": "cap", "value": "100n", "device": "ceramic disc", "id": "rk012", "ref": "C11", "pins": [ [ 17, 24 ], [ 16, 24 ] ] }, { "kind": "ecap", "value": "10u", "polarized": true, "id": "rk013", "ref": "C12", "pins": [ [ 15, 22 ], [ 16, 22 ] ] }, { "kind": "cap", "value": "100n", "device": "ceramic disc", "id": "rk014", "ref": "C13", "pins": [ [ 15, 26 ], [ 16, 26 ] ] }, { "id": "rk015", "kind": "link", "ref": "J28", "pins": [ [ 20, 6 ], [ 23, 6 ] ] }, { "id": "rk016", "kind": "link", "ref": "J29", "pins": [ [ 19, 5 ], [ 21, 5 ] ] }, { "kind": "res", "value": "47k", "device": "fixed", "id": "rk017", "ref": "R9", "pins": [ [ 18, 1 ], [ 18, 4 ] ] }, { "kind": "res", "value": "100k", "device": "fixed", "mount": "vertical", "id": "rk018", "ref": "R10", "pins": [ [ 17, 6 ], [ 18, 6 ] ] }, { "kind": "res", "value": "1k", "device": "fixed", "id": "rk019", "ref": "R11", "pins": [ [ 17, 5 ], [ 17, 1 ] ] }, { "id": "rk020", "kind": "link", "ref": "J30", "pins": [ [ 18, 13 ], [ 19, 13 ] ] } ], "ics": [ { "id": "swu1", "ref": "U1", "part": "CD40106", "pins": 14, "pin1": [ 1, 9 ], "span": 3, "autoCuts": [ "1,10", "2,10", "3,10", "4,10", "5,10", "6,10", "7,10" ] }, { "id": "swu3", "ref": "U3", "part": "CD4051", "pins": 16, "pin1": [ 3, 24 ], "span": 3, "autoCuts": [ "3,25", "5,25", "6,25", "7,25", "8,25", "9,25", "10,25" ] }, { "id": "swu2", "ref": "U2", "part": "CD4040", "pins": 16, "pin1": [ 3, 31 ], "span": 3, "autoCuts": [ "3,32", "4,32", "5,32", "6,32", "7,32", "8,32", "9,32" ] }, { "id": "rkic5", "ref": "IC5", "part": "TL072", "pins": 8, "pin1": [ 17, 8 ], "span": 3, "autoCuts": [ "17,9", "18,9", "19,9", "20,9" ] } ], "pads": [ { "id": "rkp01", "label": "GND", "at": [ 0, 32 ], "to": "ground - the rack's, through the header; nothing leaves the board here" }, { "id": "rkp02", "label": "P", "at": [ 1, 0 ], "to": "step rate pot lug 3", "parts": [ { "id": "POT1", "kind": "pot", "lug": "3", "value": "B500K" } ] }, { "id": "rkp03", "label": "RATE", "at": [ 2, 0 ], "to": "step rate pot wiper (jumper the wiper to lug 1)", "parts": [ { "id": "POT1", "kind": "pot", "lug": "W", "value": "B500K" } ] }, { "id": "rkp04", "label": "OUT", "at": [ 5, 15 ], "to": "level pot, top lug (lug 3) - the voices, AC-coupled by C7", "parts": [ { "id": "POT2", "kind": "pot", "lug": "3", "value": "A100K" } ] }, { "id": "rkp05", "label": "GND2", "at": [ 8, 17 ], "to": "level pot, bottom lug (lug 1) - ground", "parts": [ { "id": "POT2", "kind": "pot", "lug": "1", "value": "A100K" } ] }, { "id": "rkp06", "label": "GROWL", "at": [ 3, 5 ], "to": "growl toggle common (on-off-on)", "parts": [ { "id": "SW2", "kind": "toggle", "lug": "C", "value": "on-off-on" } ] }, { "id": "rkp07", "label": "GROWL_CLK", "at": [ 2, 4 ], "to": "growl toggle, one throw", "parts": [ { "id": "SW2", "kind": "toggle", "lug": "1", "value": "on-off-on" } ] }, { "id": "rkp08", "label": "GROWL_DRIFT", "at": [ 4, 4 ], "to": "growl toggle, the other throw", "parts": [ { "id": "SW2", "kind": "toggle", "lug": "2", "value": "on-off-on" } ] }, { "id": "rkp09", "label": "CLK_T", "at": [ 14, 0 ], "to": "clock jack TIP - through R8 to the 4040's clock", "parts": [ { "id": "JK1", "kind": "jack", "lug": "T", "value": "3.5 mm switched" } ] }, { "id": "rkp10", "label": "CLK_N", "at": [ 13, 0 ], "to": "clock jack SWITCH contact - the board's own clock. Nothing plugged: the jack joins it to the tip", "parts": [ { "id": "JK1", "kind": "jack", "lug": "N", "value": "3.5 mm switched" } ] }, { "id": "rkp11", "label": "H1", "at": [ 22, 35 ], "to": "power header pin 1: -12 V. The cable's RED STRIPE is this end" }, { "id": "rkp12", "label": "H2", "at": [ 22, 36 ], "to": "power header pin 2: -12 V. The cable's RED STRIPE is this end" }, { "id": "rkp13", "label": "H3", "at": [ 21, 35 ], "to": "power header pin 3: ground" }, { "id": "rkp14", "label": "H4", "at": [ 21, 36 ], "to": "power header pin 4: ground" }, { "id": "rkp15", "label": "H5", "at": [ 20, 35 ], "to": "power header pin 5: ground" }, { "id": "rkp16", "label": "H6", "at": [ 20, 36 ], "to": "power header pin 6: ground" }, { "id": "rkp17", "label": "H7", "at": [ 19, 35 ], "to": "power header pin 7: ground" }, { "id": "rkp18", "label": "H8", "at": [ 19, 36 ], "to": "power header pin 8: ground" }, { "id": "rkp19", "label": "H9", "at": [ 18, 35 ], "to": "power header pin 9: +12 V" }, { "id": "rkp20", "label": "H10", "at": [ 18, 36 ], "to": "power header pin 10: +12 V" }, { "id": "rkp21", "label": "+5V", "at": [ 15, 0 ], "to": "starve pot lug 1, and its wiper - the 78L05's output", "parts": [ { "id": "POT3", "kind": "pot", "lug": "1", "value": "20K" } ] }, { "id": "rkp22", "label": "VCC", "at": [ 3, 37 ], "to": "starve pot lug 3 - the chips' supply, after the starve", "parts": [ { "id": "POT3", "kind": "pot", "lug": "3", "value": "20K" } ] }, { "id": "rkp23", "label": "LEVEL", "at": [ 18, 0 ], "to": "level pot wiper - into the op-amp through R9", "parts": [ { "id": "POT2", "kind": "pot", "lug": "W", "value": "A100K" } ] }, { "id": "rkp24", "label": "RACK_OUT", "at": [ 17, 0 ], "to": "output jack tip - the voices, about +/-5 V", "parts": [ { "id": "JK2", "kind": "jack", "lug": "T", "value": "3.5 mm" } ] }, { "id": "rkp25", "label": "OUT_S", "at": [ 16, 0 ], "to": "output and clock jack sleeves", "parts": [ { "id": "JK1", "kind": "jack", "lug": "S", "value": "3.5 mm switched" }, { "id": "JK2", "kind": "jack", "lug": "S", "value": "3.5 mm" } ] } ], "netlist": "# Switchboard Rack - written from the board\n# 24 strips of 38 holes, 56 parts, 4 chips, 46 cuts\n#\n# Strips 0-13 are the Switchboard hole for hole, less D1, the +9V pad and J22;\n# its nets keep their names. J22 is now a normalled jack: CLK_N is the 40106\n# clock out, CLK_T the tip back through R8 (100k) to the 4040 on J23.\n# Rack block below: 2x5 power header (H1-H10, red stripe at H1/H2 on strip\n# 22), a 1N5817 on each rail, a 78L05 making +5 from +12, out on the +5V pad\n# through the starve pot and back on VCC, and a TL072 whose inverting half\n# takes the level wiper through 47k with 100k feedback into RACK_OUT through\n# 1k. The other half follows ground.\n\n-12_RAW: @H1 @H2 D2.B\n-12: D2.A C10.B IC5.4 J28.A J28.B\n+12_RAW: @H9 @H10 D1.A\n+12: D1.B C9.A U4.I C11.A IC5.8\n+5: U4.O C12.A C13.A @+5V\nCLK: J6.A J6.B U1.2 @RATE @GROWL_CLK @CLK_N\nCLK_4040: U2.10 J23.A J23.B R8.B\nCLK_T: R8.A @CLK_T\nLEVEL: R9.A @LEVEL\nSUM: IC5.2 R9.B R10.B\nOUT_A: IC5.1 R10.A R11.A\nRACK_OUT: R11.B @RACK_OUT\nFOLLOW: IC5.6 IC5.7 J30.A J30.B\nGND: J5.A J5.B J9.A J9.B J10.A J10.B J11.A J11.B J12.A J12.B J13.A J13.B J15.A J15.B J16.A J16.B J17.A J17.B J20.A J20.B J21.A J21.B C8.B C2.B C3.A C5.B C6.B R7.B U1.7 U3.2 U3.4 U3.6 U3.7 U3.8 U3.12 U3.15 U2.8 U2.11 @GND @GND2 @H3 @H4 @H5 @H6 @H7 @H8 J24.A J24.B J25.A J25.B J26.A J26.B J27.A J27.B C9.B C10.A U4.G C11.B C12.B C13.B IC5.3 IC5.5 J29.A J29.B @OUT_S\nP: R1.A @P\nOUT: C7.B R7.A @OUT\nTC: R1.B C1.B U1.1\nTD: C2.A R2.A U1.3 @GROWL\nDRIFT: J7.A J7.B J18.A J18.B R2.B U1.4 U3.9 @GROWL_DRIFT\nT1: C3.B R3.A U1.5\nV1: J4.A J4.B J8.A J8.B R3.B U1.6 U3.13\nV2: R6.B U1.8 U3.5\nT2: C6.A R6.A U1.9\nV3: J2.A J2.B J3.A J3.B R5.B U1.10 U3.14\nT3: C5.A R5.A U1.11\nV4: R4.B U1.12 U3.1\nT4: C4.B R4.A U1.13\nVCC: J1.A J1.B J14.A J14.B J19.A J19.B C8.A C1.A C4.A U1.14 U3.16 U2.16 @VCC\nCOM: C7.A U3.3\nQB: U3.10 U2.7\nQA: U3.11 U2.6\n", "offboard": [ "POT1.W - POT1.1", "POT3.W - POT3.1" ] }