1590A · 2 knobs
Spaceman Effects Saturn VVerified
Based on the Spaceman Effects Saturn V· 3 other boards clone it
From the post
Here's the Spaceman Saturn V boost pedal. It's a pretty unique booster and uses depletion mode LND150N3-G MOSFETs. In original units, there are 2 resistors in series going to each drain of the transistors. They essentially create a 4.7k resistor using some really uncommon values. (It appears that the only reason for that is for more interesting guts. And lets be real, Spaceman has some of the best looking pedal guts around.) I've included room for the ferrite beads of the originals to fit on the board (these reduce RF noise) and if you wire the pots off board you can probably fit it in a 1590a. More info and schematic found 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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 18 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 6.19K at the top (row C): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 4 | ||||
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 6.19K | 6.19k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 4.7M | 4.7M | read from the layout by eye | |
| Capacitors 6 | ||||
| ×2 | 100pF | 100p | read from the layout by eye | |
| ×1 | 120pF | 120p | read from the layout by eye | |
| ×1 | 27nF | 27n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 180nF | 180n | read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| D1 | 1N4148 | 1N4148 | legend: 1N4148, 1N400X; read from the layout by eye | |
| ×1 | 1N4148 | 1N4148 | read from the layout by eye | |
| ×1 | BAT46 | BAT46 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | LND150N3-G | LND150N3-G | depletion MOSFET; read from the layout by eye | |
| Q2 | LND150N3-G | LND150N3-G | depletion MOSFET; read from the layout by eye | |
| Inductors 1 | ||||
| ×2 | Ferrite bead | FERRITE BEAD | FB; read from the layout by eye | |
| Potentiometers 2 | ||||
| Drive | B100K | B100k | Potentiometer | read from the layout by eye |
| Boost | A100K | A100k | Potentiometer | read from the layout by eye |
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