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Minimoog VCO
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- Ring Mod / Synth· Oscillators LFOs and Signal Generators
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- Oscillators LFOs and Signal Generators
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 238 rows
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Check before you build · 2 values the reader of this schematic was not sure of
- R30: value smudged, read as 2.0M (matches R70 and R108)
- R31: designator smudged, read by analogy with R71 and R109
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 136 | ||||
| R1 | 301K | 301k | 1%, N1 network; read from the schematic by eye | |
| R2 | 100K | 100k | 1%, N1 network; read from the schematic by eye | |
| R3 | 1.24M | 1.24M | 1%; read from the schematic by eye | |
| R4 | 102K | 102k | 1%, N1 network; read from the schematic by eye | |
| R5 | 100K | 100k | 1%, N1 network; read from the schematic by eye | |
| R6 | 100K | 100k | 1%, N1 network; read from the schematic by eye | |
| R7 | 22K | 22k | read from the schematic by eye | |
| R8 | 4.7K | 4.7k | read from the schematic by eye | |
| R9 | 4.99K | 4.99k | 1%; read from the schematic by eye | |
| R10 | 4.99K | 4.99k | 1%; read from the schematic by eye | |
| R11 | 4.7K | 4.7k | read from the schematic by eye | |
| R12 | 82.5K | 82.5k | 1%, N2 network; read from the schematic by eye | |
| R13 | 69.8K | 69.8k | 1%, N2 network; read from the schematic by eye | |
| R15 | 402K | 402k | 1%, N2 network; read from the schematic by eye | |
| R17 | 90.9K | 90.9k | 1%, N2 network; read from the schematic by eye | |
| R19 | 53.6K | 53.6k | 1%, N2 network; read from the schematic by eye | |
| R20 | 121K | 121k | 1%, N2 network; read from the schematic by eye | |
| R21 | 50K | 50k | 1%, N2 network; read from the schematic by eye | |
| R22 | 15K | 15k | read from the schematic by eye | |
| R23 | 2.32K | 2.32k | 1%; read from the schematic by eye | |
| R24 | 100 | 100 | 1%; read from the schematic by eye | |
| R25 | 10K | 10k | 1%; read from the schematic by eye | |
| R26 | 10K | 10k | 1%; read from the schematic by eye | |
| R27 | 49.9K | 49.9k | 1%; read from the schematic by eye | |
| R28 | 100K | 100k | read from the schematic by eye | |
| R29 | 1K | 1k | read from the schematic by eye | |
| R30 | 2.0M | 2M | 1%; value smudged, read as 2.0M to match R70/R108; read from the schematic by eye | |
| R32 | 100K | 100k | read from the schematic by eye | |
| R33 | 2K | 2k | read from the schematic by eye | |
| R34 | 1M | 1M | read from the schematic by eye | |
| R35 | 100 | 100 | read from the schematic by eye | |
| R36 | 1K | 1k | 1%, N5 network; read from the schematic by eye | |
| R37 | 5.6K | 5.6k | N5 network; read from the schematic by eye | |
| R38 | 4.02K | 4.02k | 1%, N5 network; read from the schematic by eye | |
| R39 | 1K | 1k | N5 network; read from the schematic by eye | |
| R40 | 10K | 10k | 1%, N5 network; read from the schematic by eye | |
| R41 | 10K | 10k | N5 network; read from the schematic by eye | |
| R42 | 10K | 10k | 1%; read from the schematic by eye | |
| R43 | 8.25K | 8.25k | 1%, N5 network; read from the schematic by eye | |
| R44 | 4.99K | 4.99k | 1%, N5 network; read from the schematic by eye | |
| R45 | 100K | 100k | 1%; read from the schematic by eye | |
| R46 | 2.2M | 2.2M | read from the schematic by eye | |
| R47 | 100K | 100k | 1%; read from the schematic by eye | |
| R48 | 5.1K | 5.1k | read from the schematic by eye | |
| R49 | 2.7K | 2.7k | read from the schematic by eye | |
| R50 | 69.8K | 69.8k | 1%, N3 network; read from the schematic by eye | |
| R51 | 121K | 121k | 1%, N3 network; read from the schematic by eye | |
| R53 | 82.5K | 82.5k | 1%, N3 network; read from the schematic by eye | |
| R54 | 402K | 402k | 1%, N3 network; read from the schematic by eye | |
| R56 | 90.9K | 90.9k | 1%, N3 network; read from the schematic by eye | |
| R58 | 53.6K | 53.6k | 1%, N3 network; read from the schematic by eye | |
| R59 | 50K | 50k | 1%, N3 network; read from the schematic by eye | |
| R60 | 1M | 1M | read from the schematic by eye | |
| R61 | 100K | 100k | read from the schematic by eye | |
| R62 | 15K | 15k | read from the schematic by eye | |
| R63 | 2.32K | 2.32k | 1%; read from the schematic by eye | |
| R64 | 100 | 100 | 1%; read from the schematic by eye | |
| R65 | 10K | 10k | 1%; read from the schematic by eye | |
| R66 | 10K | 10k | 1%; read from the schematic by eye | |
| R67 | 49.9K | 49.9k | 1%; read from the schematic by eye | |
| R68 | 100K | 100k | read from the schematic by eye | |
| R69 | 1K | 1k | read from the schematic by eye | |
| R70 | 2.0M | 2M | 1%; read from the schematic by eye | |
| R72 | 100K | 100k | read from the schematic by eye | |
| R73 | 2K | 2k | read from the schematic by eye | |
| R74 | 1M | 1M | read from the schematic by eye | |
| R75 | 100 | 100 | read from the schematic by eye | |
| R76 | 1K | 1k | 1%, N6 network; read from the schematic by eye | |
| R77 | 5.6K | 5.6k | N6 network; read from the schematic by eye | |
| R78 | 4.02K | 4.02k | 1%, N6 network; read from the schematic by eye | |
| R79 | 1K | 1k | N6 network; read from the schematic by eye | |
| R80 | 10K | 10k | 1%, N6 network; read from the schematic by eye | |
| R81 | 10K | 10k | N6 network; read from the schematic by eye | |
| R82 | 10K | 10k | 1%; read from the schematic by eye | |
| R83 | 8.25K | 8.25k | 1%, N6 network; read from the schematic by eye | |
| R84 | 4.99K | 4.99k | 1%, N6 network; read from the schematic by eye | |
| R85 | 100K | 100k | 1%; read from the schematic by eye | |
| R86 | 2.2M | 2.2M | read from the schematic by eye | |
| R87 | 100K | 100k | 1%; read from the schematic by eye | |
| R88 | 5.1K | 5.1k | read from the schematic by eye | |
| R89 | 2.7K | 2.7k | read from the schematic by eye | |
| R93 | 82.5K | 82.5k | 1%, N4 network; read from the schematic by eye | |
| R94 | 90.9K | 90.9k | 1%, N4 network; read from the schematic by eye | |
| R95 | 53.6K | 53.6k | 1%, N4 network; read from the schematic by eye | |
| R96 | 402K | 402k | 1%, N4 network; read from the schematic by eye | |
| R97 | 121K | 121k | 1%, N4 network; read from the schematic by eye | |
| R98 | 69.8K | 69.8k | 1%, N4 network; read from the schematic by eye | |
| R99 | 50K | 50k | 1%, N4 network; read from the schematic by eye | |
| R100 | 15K | 15k | read from the schematic by eye | |
| R101 | 2.32K | 2.32k | 1%; read from the schematic by eye | |
| R102 | 100 | 100 | 1%; read from the schematic by eye | |
| R103 | 10K | 10k | 1%; read from the schematic by eye | |
| R104 | 10K | 10k | 1%; read from the schematic by eye | |
| R105 | 49.9K | 49.9k | 1%; read from the schematic by eye | |
| R106 | 100K | 100k | read from the schematic by eye | |
| R107 | 1K | 1k | read from the schematic by eye | |
| R108 | 2.0M | 2M | 1%; read from the schematic by eye | |
| R110 | 100K | 100k | read from the schematic by eye | |
| R111 | 2K | 2k | read from the schematic by eye | |
| R112 | 1M | 1M | read from the schematic by eye | |
| R113 | 100 | 100 | read from the schematic by eye | |
| R114 | 1K | 1k | 1%, N7 network; read from the schematic by eye | |
| R115 | 5.6K | 5.6k | N7 network; read from the schematic by eye | |
| R116 | 4.02K | 4.02k | 1%, N7 network; read from the schematic by eye | |
| R117 | 1K | 1k | N7 network; read from the schematic by eye | |
| R118 | 10K | 10k | 1%, N7 network; read from the schematic by eye | |
| R119 | 10K | 10k | N7 network; read from the schematic by eye | |
| R120 | 10K | 10k | 1%; read from the schematic by eye | |
| R121 | 8.25K | 8.25k | 1%, N7 network; read from the schematic by eye | |
| R122 | 4.99K | 4.99k | 1%, N7 network; read from the schematic by eye | |
| R123 | 330 | 330 | read from the schematic by eye | |
| R124 | 2.2K | 2.2k | read from the schematic by eye | |
| R125 | 2.2M | 2.2M | read from the schematic by eye | |
| R126 | 100K | 100k | 1%; read from the schematic by eye | |
| R127 | 100K | 100k | 1%; read from the schematic by eye | |
| R128 | 390K | 390k | read from the schematic by eye | |
| R129 | 68K | 68k | read from the schematic by eye | |
| R130 | 33K | 33k | read from the schematic by eye | |
| R131 | 5.1K | 5.1k | read from the schematic by eye | |
| R132 | 2.7K | 2.7k | read from the schematic by eye | |
| R133 | 7.5K | 7.5k | read from the schematic by eye | |
| R134 | 18K | 18k | read from the schematic by eye | |
| R135 | 220K | 220k | read from the schematic by eye | |
| R136 | 220K | 220k | read from the schematic by eye | |
| R137 | 220K | 220k | read from the schematic by eye | |
| ×4 | 1K | 1k | panel range-switch ladder, 1%; read from the schematic by eye | |
| ×1 | 4.75K | 4.75k | panel range-switch ladder, 1%; read from the schematic by eye | |
| ×1 | 90.9 | 90.9 | panel range-switch ladder, 1%; read from the schematic by eye | |
| ×3 | 5.1K | 5.1k | panel, under the Tune, Osc 2 Freq and Osc 3 Freq pots; read from the schematic by eye | |
| ×1 | 1K | 1k | panel, mod wheel feed; read from the schematic by eye | |
| ×3 | 10K | 10k | panel waveform switch divider; read from the schematic by eye | |
| ×3 | 47K | 47k | panel waveform switch divider; read from the schematic by eye | |
| ×3 | 1.5K | 1.5k | panel pulse-width divider; read from the schematic by eye | |
| ×3 | 1K | 1k | panel pulse-width divider; read from the schematic by eye | |
| ×3 | 7.5K | 7.5k | panel pulse-width divider; read from the schematic by eye | |
| ×3 | 33K | 33k | panel, after each oscillator volume pot; read from the schematic by eye | |
| Capacitors 38 | ||||
| C1 | 5.6uF | 5.6u | 5.6/35V tantalum; read from the schematic by eye | |
| C2 | 5.6uF | 5.6u | 5.6/35V tantalum; read from the schematic by eye | |
| C3 | 27uF | 27u | 27/10V tantalum; read from the schematic by eye | |
| C4 | 100pF | 100p | read from the schematic by eye | |
| C5 | .01uF | 10n | read from the schematic by eye | |
| C6 | 1.5uF | 1.5u | 1.5/20V tantalum; read from the schematic by eye | |
| C7 | .001uF | 1n | read from the schematic by eye | |
| C8 | .001uF | 1n | read from the schematic by eye | |
| C9 | 100pF | 100p | read from the schematic by eye | |
| C10 | .01uF | 10n | read from the schematic by eye | |
| C11 | .01uF | 10n | read from the schematic by eye | |
| C12 | 18pF | 18p | read from the schematic by eye | |
| C13 | 500pF | 500p | read from the schematic by eye | |
| C14 | .01uF | 10n | read from the schematic by eye | |
| C15 | 100pF | 100p | read from the schematic by eye | |
| C16 | .01uF | 10n | read from the schematic by eye | |
| C17 | 1.5uF | 1.5u | 1.5/20V tantalum; read from the schematic by eye | |
| C18 | .001uF | 1n | read from the schematic by eye | |
| C19 | .001uF | 1n | read from the schematic by eye | |
| C20 | 100pF | 100p | read from the schematic by eye | |
| C21 | .01uF | 10n | read from the schematic by eye | |
| C22 | .01uF | 10n | read from the schematic by eye | |
| C23 | 18pF | 18p | read from the schematic by eye | |
| C24 | 500pF | 500p | read from the schematic by eye | |
| C25 | .01uF | 10n | read from the schematic by eye | |
| C26 | 100pF | 100p | read from the schematic by eye | |
| C27 | .01uF | 10n | read from the schematic by eye | |
| C28 | 1.5uF | 1.5u | 1.5/20V tantalum; read from the schematic by eye | |
| C29 | .001uF | 1n | read from the schematic by eye | |
| C30 | .001uF | 1n | read from the schematic by eye | |
| C31 | 100pF | 100p | read from the schematic by eye | |
| C32 | .01uF | 10n | read from the schematic by eye | |
| C33 | .01uF | 10n | read from the schematic by eye | |
| C34 | 18pF | 18p | read from the schematic by eye | |
| C35 | 500pF | 500p | read from the schematic by eye | |
| C36 | .01uF | 10n | read from the schematic by eye | |
| C37 | 5.6uF | 5.6u | 5.6/35V tantalum; read from the schematic by eye | |
| ×3 | 10uF | 10u | panel, output coupling to the audio node; read from the schematic by eye | |
| Diodes 6 | ||||
| CR1 | Diode | DIODE | no part number given; read from the schematic by eye | |
| CR2 | Diode | DIODE | no part number given; read from the schematic by eye | |
| CR3 | Diode | DIODE | no part number given; read from the schematic by eye | |
| CR4 | Diode | DIODE | no part number given; read from the schematic by eye | |
| CR5 | Diode | DIODE | no part number given; read from the schematic by eye | |
| CR6 | Diode | DIODE | no part number given; read from the schematic by eye | |
| Transistors 14 | ||||
| Q1 | 2N3906 | 2N3906 | read from the schematic by eye | |
| Q2 | E101 | E101 | JFET; read from the schematic by eye | |
| Q3 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q4 | E112 | E112 | JFET; read from the schematic by eye | |
| Q5 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q6 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q9 | E112 | E112 | JFET; read from the schematic by eye | |
| Q10 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q11 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q14 | E112 | E112 | JFET; read from the schematic by eye | |
| Q15 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q16 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q19 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q20 | 2N3904 | 2N3904 | read from the schematic by eye | |
| ICs 19 | ||||
| IC1 | 1458 | 1458 | IC1A/IC1B; read from the schematic by eye | |
| IC2 | 741 | 741 | read from the schematic by eye | |
| IC3 | 1458 | 1458 | IC3A/IC3B; read from the schematic by eye | |
| IC4 | 1458 | 1458 | IC4A/IC4B; read from the schematic by eye | |
| IC5 | 726 | 726 | matched pair Q7/Q8 inside, heated; read from the schematic by eye | |
| IC6 | TL081 | TL081 | read from the schematic by eye | |
| IC7 | TL081 | TL081 | read from the schematic by eye | |
| IC8 | 393 | 393 | IC8A/IC8B; read from the schematic by eye | |
| IC9 | 1458 | 1458 | IC9A/IC9B; read from the schematic by eye | |
| IC10 | 726 | 726 | matched pair Q12/Q13 inside, heated; read from the schematic by eye | |
| IC11 | TL081 | TL081 | read from the schematic by eye | |
| IC12 | TL081 | TL081 | read from the schematic by eye | |
| IC13 | 393 | 393 | IC13A/IC13B; read from the schematic by eye | |
| IC14 | 1458 | 1458 | IC14A/IC14B; read from the schematic by eye | |
| IC15 | 726 | 726 | matched pair Q17/Q18 inside, heated; read from the schematic by eye | |
| IC16 | TL081 | TL081 | read from the schematic by eye | |
| IC17 | TL081 | TL081 | read from the schematic by eye | |
| IC18 | 393 | 393 | IC18A/IC18B; read from the schematic by eye | |
| ×3 | 741 | 741 | panel range-switch buffers, no designator; read from the schematic by eye | |
| Potentiometers 8 | ||||
| Pitch Wheel | B25K | B25k | Potentiometer | 25K lin; read from the schematic by eye |
| Tune | B5K | B5k | Potentiometer | 5K lin; read from the schematic by eye |
| Mod Wheel | A50K | A50k | Potentiometer | 50K audio; read from the schematic by eye |
| Osc 2 Freq | B5K | B5k | Potentiometer | 5K lin; read from the schematic by eye |
| Osc 3 Freq | B5K | B5k | Potentiometer | 5K lin; read from the schematic by eye |
| Osc 1 Vol | B25K | B25k | Potentiometer | 25K lin; read from the schematic by eye |
| Osc 2 Vol | B25K | B25k | Potentiometer | 25K lin; read from the schematic by eye |
| Osc 3 Vol | B25K | B25k | Potentiometer | 25K lin; read from the schematic by eye |
| Trimmers 12 | ||||
| R14 | 10K | 10k | Osc 1 shift; read from the schematic by eye | |
| R16 | 10K | 10k | Osc 1 scale; read from the schematic by eye | |
| R18 | 5K | 5k | Osc 1 octave adjust; read from the schematic by eye | |
| R31 | 10K | 10k | Osc 1 high-end compensation; designator smudged, read by analogy with R71/R109; read from the schematic by eye | |
| R52 | 10K | 10k | Osc 2 shift; read from the schematic by eye | |
| R55 | 10K | 10k | Osc 2 scale; read from the schematic by eye | |
| R57 | 5K | 5k | Osc 2 octave adjust; read from the schematic by eye | |
| R71 | 10K | 10k | Osc 2 high-end compensation; read from the schematic by eye | |
| R90 | 10K | 10k | Osc 3 shift; read from the schematic by eye | |
| R91 | 10K | 10k | Osc 3 scale; read from the schematic by eye | |
| R92 | 5K | 5k | Osc 3 octave adjust; read from the schematic by eye | |
| R109 | 10K | 10k | Osc 3 high-end compensation; read from the schematic by eye | |
| Switches 5 | ||||
| ×3 | ? | ? | oscillator range rotary switches (LO, 32', 16', 8', 4', 2'); read from the schematic by eye | |
| ×3 | ? | ? | waveform rotary switches; read from the schematic by eye | |
| ×3 | SPDT | SPDT | oscillator on/off to audio node; read from the schematic by eye | |
| Osc Mod | SPDT | SPDT | read from the schematic by eye | |
| Osc 3 Control | DPDT | DPDT | on/off, ganged; read from the schematic by eye | |