Enclosure not stated · 2 knobs
Frantone VibutronVerified
Based on the Frantone Vibutron· 3 other boards clone it
- Category
- Vibrato / Chorus
- Build
- Vero· 20×21· 35 cuts, 11 links
- Layout
- Verified · Dirtbox Layouts marks it as built and working
- Tags
- Frantone, Modulation, Tremolo
From the post
Per request. Included the "Rate mod", a switch that toggles between two speed settings..
Schematic and info HERE.
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 27 rows
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Check before you build · 1 value the reader of this layout was not sure of
- Speed pot B100K: the legend calls both pots 'Depth' (100kB, then 100kA); assigned the first to Speed and the second to Depth by order, could be the other way round
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×9 | 10K | 10k | read from the layout by eye | |
| ×4 | 100K | 100k | read from the layout by eye | |
| ×2 | 20K | 20k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×2 | 390Ω | 390 | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 7.5K | 7.5k | read from the layout by eye | |
| ×1 | 91K | 91k | read from the layout by eye | |
| ×1 | 2K | 2k | read from the layout by eye | |
| ×1 | 10Ω | 10 | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 6 | ||||
| ×4 | 150nF | 150n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 1000uF | 1m | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2N7000 | 2N7000 | MOSFET; read from the layout by eye | |
| ICs 3 | ||||
| IC1 | TLC2262 | TLC2262 | read from the layout by eye | |
| IC2 | LM741 | LM741 | read from the layout by eye | |
| IC3 | ICL8038 | ICL8038 | read from the layout by eye | |
| Potentiometers 2 | ||||
| Speed | B100K | B100k | Potentiometer | legend prints 'Depth: 100kB'; read from the layout by eye |
| Depth | A100K | A100k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| ×1 | 100K | 100k | unnamed trimmer, lower right; read from the layout by eye | |
| Switches 2 | ||||
| Shape Sw | 4P3T rotary | 4P3T ROTARY | rotary; read from the layout by eye | |
| Rate Sw | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
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