Enclosure not stated · 1 knob
Keeley Katana Boost V1Verified
Based on the Keeley Katana· 11 other boards clone it
From the post
With onboard voltage doubler for more headroom. Schematic and more in 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 19 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 4 | ||||
| ×2 | 680Ω | 680 | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 8 | ||||
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 15nF | 15n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×3 | 220nF | 220n | read from the layout by eye | |
| ×1 | 470nF | 470n | read from the layout by eye | |
| ×3 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×3 | 1N5817 | 1N5817 | D1, D2, D3; read from the layout by eye | |
| D4 | 1N4742 | 1N4742 / 12V | zener; read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N5484 | 2N5484 | JFET; read from the layout by eye | |
| Q2 | 2N5484 | 2N5484 | JFET; read from the layout by eye | |
| ICs 1 | ||||
| IC1 | ICL7660S | ICL7660S | ICL7660S/MAX1044; read from the layout by eye | |
| Potentiometers 1 | ||||
| Volume | A250K | A250k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
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