Enclosure not stated · 3 knobs
BJF Gate BoosterVerified
Based on the BJF Gate Booster
From the post
Schematic is avaiable 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 7 | ||||
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 5.6M | 5.6M | read from the layout by eye | |
| ×1 | 560K | 560k | read from the layout by eye | |
| ×1 | 3.9K | 3.9k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×2 | 2K | 2k | read from the layout by eye | |
| Capacitors 5 | ||||
| ×1 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 220uF | 220u | electrolytic; read from the layout by eye | |
| ×1 | 330nF | 330n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 1uF | 1u | read from the layout by eye | |
| Diodes 2 | ||||
| ×2 | Germanium | GERMANIUM | D1, D2; type not given; read from the layout by eye | |
| D3 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | BF245A | BF245A | JFET; read from the layout by eye | |
| Q2 | BC549C | BC549C | read from the layout by eye | |
| Potentiometers 3 | ||||
| Gain | C5K | C5k | Potentiometer | read from the layout by eye |
| Reduction | A500K | A500k | Potentiometer | read from the layout by eye |
| Volume | B50K | B50k | Potentiometer | read from the layout by eye |