Enclosure not stated · 3 knobs
Electro Harmonix Frequency Analyzer - Modern version
Based on the Electro-Harmonix Frequency Analyzer - Modern version
- Category
- Vibrato / Chorus
- Controls
- Blend · Fine · Shift
- Build
- Vero· 23×31· 56 cuts, 35 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Electro Harmonix, Modulation, Ringmod
From the post
The modern version of EHX Frequency Analyzer. The ICL8083 IC is obsolete but there is still some vendors that have it in stock. Came out taller than expected since I wanted the bipolar voltage doubler circuit on the same board as the main circuit. But it will fit sideways in a BB enclosure... 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 47 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 20 | ||||
| ×3 | 150Ω | 150 | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×2 | 680Ω | 680 | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 200K | 200k | read from the layout by eye | |
| ×1 | 120K | 120k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 82K | 82k | read from the layout by eye | |
| ×1 | 68K | 68k | read from the layout by eye | |
| ×1 | 36K | 36k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×1 | 12K | 12k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 3.6K | 3.6k | read from the layout by eye | |
| ×1 | 2.4K | 2.4k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 7 | ||||
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×1 | 150nF | 150n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×2 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×4 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×3 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 9 | ||||
| D1 | 1N4001 | 1N4001 | read from the layout by eye | |
| D2 | 1N4001 | 1N4001 | read from the layout by eye | |
| D3 | 1N4001 | 1N4001 | read from the layout by eye | |
| D4 | 1N4001 | 1N4001 | read from the layout by eye | |
| D5 | 1N4001 | 1N4001 | read from the layout by eye | |
| D6 | 1N4001 | 1N4001 | read from the layout by eye | |
| D7 | 15V Zener | 15V | read from the layout by eye | |
| D8 | 15V Zener | 15V | read from the layout by eye | |
| D9 | 10V Zener | 10V | read from the layout by eye | |
| ICs 6 | ||||
| IC1 | 4558 | 4558 | read from the layout by eye | |
| IC2 | AD633JN | AD633JN | read from the layout by eye | |
| IC3 | 4558 | 4558 | read from the layout by eye | |
| IC4 | LM741 | LM741 | read from the layout by eye | |
| IC5 | ICL8038 | ICL8038 | read from the layout by eye | |
| IC6 | MAX1044 | MAX1044 | legend: MAX1044/ICL7660S; read from the layout by eye | |
| Potentiometers 3 | ||||
| Blend | B25K | B25k | Potentiometer | read from the layout by eye |
| Fine | B2.5K | B2.5k | Potentiometer | read from the layout by eye |
| Shift | C250K | C250k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| Null Trim | 1M | 1M | read from the layout by eye | |
| Switches 1 | ||||
| Filter Sw | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |