Enclosure not stated · 2 knobs
Memphis Tremolo Modulator
Based on the Memphis Tremolo Modulator
- Category
- Vibrato / Chorus
- Build
- Vero· 20×19· 26 cuts, 14 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Memphis, Modulation, Tremolo
From the post
Schematic is avaiable HERE. Hmm, looks interesting, sort of a one stage J FET phaser?
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 22 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×5 | 10K | 10k | read from the layout by eye | |
| ×3 | 510K | 510k | read from the layout by eye | |
| ×6 | 150K | 150k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| Capacitors 5 | ||||
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×1 | 3.3uF | 3.3u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | 5.6V Zener | 5V6 | read from the layout by eye | |
| D2 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N5457 | 2N5457 | JFET; legend: 2N5457, J113 etc. (2SK92-N1 in original); read from the layout by eye | |
| Q2 | 2N3906 | 2N3906 | legend: 2N3906, 2N5087 etc. (2SA641 in original); read from the layout by eye | |
| ICs 3 | ||||
| IC1 | LM741 | LM741 | read from the layout by eye | |
| IC2 | LM741 | LM741 | read from the layout by eye | |
| IC3 | LM741 | LM741 | read from the layout by eye | |
| Potentiometers 2 | ||||
| Intensity | B50K | B50k | Potentiometer | read from the layout by eye |
| Speed | C500K | C500k | Potentiometer | read from the layout by eye |