Enclosure not stated · 4 knobs
Dead Astronaut Pendulum Tremolo+
Based on the Dead Astronaut Pendulum Tremolo+· the maker's own board is Pendulum Tremolo+ by Dead Astronaut FX
- Category
- EQ / Filter
- Controls
- Filter Depth · LFO Speed · Tremolo Depth · Volume
- Build
- Vero· 21×19· 27 cuts, 17 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Dead Astronaut, Filter, Modulation, Tremolo
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 33 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- Designators: both on-board LEDs are printed D1 and the axial diode D2; taken as LEDs D1-D2 and diode D3 per the legend
- LFO Speed pot printed '1mA' in the legend, read as 1M audio (A1M)
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×5 | 220K | 220k | read from the layout by eye | |
| ×3 | 100K | 100k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 47Ω | 47 | read from the layout by eye | |
| ×1 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| Capacitors 10 | ||||
| ×2 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×1 | 330pF | 330p | read from the layout by eye | |
| ×1 | 560pF | 560p | read from the layout by eye | |
| ×1 | 1uF | 1u | film box; read from the layout by eye | |
| ×1 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D3 | 1N5817 | 1N5817 | printed D2 on the board; read from the layout by eye | |
| ICs 2 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | TL072 | TL072 | read from the layout by eye | |
| Opto 2 | ||||
| LDR1 | LDR 22K dark, 1M light | LDR 22K DARK, 1M LIGHT | read from the layout by eye | |
| LDR2 | LDR 22K dark, 1M light | LDR 22K DARK, 1M LIGHT | read from the layout by eye | |
| Potentiometers 4 | ||||
| Filter Depth | B50K | B50k | Potentiometer | read from the layout by eye |
| LFO Speed | A1M | A1M | Potentiometer | legend prints 1mA; read from the layout by eye |
| Tremolo Depth | B5K | B5k | Potentiometer | read from the layout by eye |
| Volume | B22K | B22k | Potentiometer | read from the layout by eye |
| Switches 3 | ||||
| Filter Sw | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |
| LFO/Man Sw | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Sq/Tri Sw | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| LEDs 1 | ||||
| ×2 | 5mm diffused yellow LED | 5MM DIFFUSED YELLOW LED | D1, D2 per legend; both printed D1 on the board; read from the layout by eye | |
Other boards based on the Dead Astronaut Pendulum Tremolo+
- Pendulum Tremolo+ the original · Dead Astronaut FX · £15.00