Enclosure not stated · 1 knob
Walco Signal BoosterVerified
Based on the Walco Signal Booster
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 10 rows
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Check before you build · 2 values the reader of this layout was not sure of
- Resistor at column H, rows C-F: reads 680Ω, first digit blurred, could be 480Ω
- Electrolytic at column F, rows A-B: reads '47uF' with the first digit partly hidden; could be 4.7uF
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 4 | ||||
| ×1 | 1M | 1M | read from the layout by eye | |
| ×1 | 1.5M | 1.5M | read from the layout by eye | |
| ×1 | 680Ω | 680 | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| Capacitors 3 | ||||
| ×2 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 33uF | 33u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | 2SC828A | 2SC828A | read from the layout by eye | |
| Potentiometers 1 | ||||
| Boost | B5K | B5k | Potentiometer | read from the layout by eye |