Enclosure not stated · 3 knobs
Pigtronix Fat Drive
Based on the Pigtronix Fat Drive· 4 other boards clone it
From the post
Unverified
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 33 rows
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Check before you build · 2 values the reader of this layout was not sure of
- 1.6K at column 13 (rows C-F): printed clearly as 1,6K, unusual value
- 130K x4 and 62K: printed clearly, unusual values
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 14 | ||||
| ×4 | 100K | 100k | read from the layout by eye | |
| ×4 | 130K | 130k | read from the layout by eye | |
| ×3 | 10K | 10k | read from the layout by eye | |
| ×2 | 2.2M | 2.2M | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 680K | 680k | read from the layout by eye | |
| ×1 | 10M | 10M | read from the layout by eye | |
| ×1 | 1.6K | 1.6k | read from the layout by eye | |
| ×1 | 62K | 62k | read from the layout by eye | |
| ×1 | 560K | 560k | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 150Ω | 150 | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 9 | ||||
| ×2 | 100pF | 100p | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×2 | 27nF | 27n | read from the layout by eye | |
| ×1 | 82nF | 82n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| D1 | 1N4148 | 1N4148 | read from the layout by eye | |
| D2 | 1N4148 | 1N4148 | read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| ICs 3 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | CD4049UB | CD4049UB | read from the layout by eye | |
| IC3 | TL072 | TL072 | read from the layout by eye | |
| Potentiometers 3 | ||||
| Gain | B1M | B1M | Potentiometer | read from the layout by eye |
| Tone | B10K | B10k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | SPDT | SPDT | toggle; read from the layout by eye | |
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