1590A · 1 knob
Escobedo MOSFET DuendeVerified
Based on the Escobedo MOSFET Duende
From the post
Here's a simple MOSFET-based booster circuit that'd be a nice alternative to the SHO. Should fit in a 1590A. FYI, the 1N4739 diode in the layout is a 9.1v zener. Here's the schematic for reference.
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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 11 rows
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Check before you build · 2 values the reader of this layout was not sure of
- 5M resistors (two, columns 4 and 6): printed clearly, unusual value
- 4739 diode under Q1: taken as the 1N4739 zener (9.1 V), printed only as 4739
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 5 | ||||
| ×1 | 1M | 1M | read from the layout by eye | |
| ×2 | 5M | 5M | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| Capacitors 2 | ||||
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×1 | 1N4739 | 1N4739 / 9V1 | zener, printed 4739; read from the layout by eye | |
| ×1 | 1N4001 | 1N4001 | printed 4001; read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2N7000 | 2N7000 | MOSFET; read from the layout by eye | |
| Potentiometers 1 | ||||
| Boost | B10K | B10k | Potentiometer | read from the layout by eye |