1590BB
FilterFX
- Category
- EQ / Filter
- Price
- €4.50in stock
From the vendor
The FilterFX project uses the Druid STOMPLFO to control a 12dB/oct state variable filter. A state variable filter is chosen because this filter design offers highpass, bandpass, and lowpass outputs
Schematic
The schematic is in the vendor's build document. Open the build document. No KiCad fragment has been drawn for this circuit yet.
Parts list 50 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 25 | ||||
| R23 | 47R | 47 | 1% Metal film resistor | |
| R24 | 220R | 220 | 1% Metal film resistor | |
| R16 | 470R | 470 | 1% Metal film resistor | |
| R17 | 470R | 470 | 1% Metal film resistor | |
| R18 | 470R | 470 | 1% Metal film resistor | |
| R14 | 560R | 560 | 1% Metal film resistor | |
| R1 | 1K | 1k | 1% Metal film resistor | |
| R15 | 1K | 1k | 1% Metal film resistor | |
| R25 | 2K2 | 2.2k | 1% Metal film resistor | |
| R20 | 4K7 | 4.7k | 1% Metal film resistor | |
| R21 | 4K7 | 4.7k | 1% Metal film resistor | |
| R4 | 10K | 10k | 1% Metal film resistor | |
| R6 | 10K | 10k | 1% Metal film resistor | |
| R9 | 10K | 10k | 1% Metal film resistor | |
| R10 | 10K | 10k | 1% Metal film resistor | |
| R19 | 10K | 10k | 1% Metal film resistor | |
| R22 | 10K | 10k | 1% Metal film resistor | |
| R5 | 20K | 20k | 1% Metal film resistor | |
| R7 | 100K | 100k | 1% Metal film resistor | |
| R13 | 100K | 100k | 1% Metal film resistor | |
| R11 | 120K | 120k | 1% Metal film resistor | |
| R12 | 120K | 120k | 1% Metal film resistor | |
| R8 | 680K | 680k | 1% Metal film resistor | |
| R2 | 2M2 | 2.2M | 1% Metal film resistor | |
| R3 | 2M2 | 2.2M | 1% Metal film resistor | |
| Capacitors 10 | ||||
| C7 | 100n | 100n | Ceramic capacitor | |
| C9 | 100n | 100n | Ceramic capacitor | |
| C10 | 100n | 100n | Ceramic capacitor | |
| C1 | 100n | 100n | Film capacitor | |
| C2 | 10n | 10n | Film capacitor | |
| C3 | 10n | 10n | Film capacitor | |
| C4 | 470n | 470n | Film capacitor | |
| C5 | 47u | 47u | Electrolytic capacitor | |
| C8 | 47u | 47u | Electrolytic capacitor | |
| C6 | 100u | 100u | Electrolytic capacitor | |
| Diodes 2 | ||||
| D1 | 1N5817 | 1N5817 | Polarity Protection Diode | |
| D2 | 1N4148 | 1N4148 | Signal Diode | |
| Transistors 2 | ||||
| TR1 | 2N3904 | 2N3904 | NPN Transistor | |
| TR2 | 2N3904 | 2N3904 | NPN Transistor | |
| ICs 3 | ||||
| REG1 | 78L05 | 78L05 | +5V Regulator | |
| IC1 | TL072 | TL072 | Dual audio op-amp | |
| IC2 | TL072 | TL072 | Dual audio op-amp | |
| Opto 2 | ||||
| V1 | VTL5C3 | VTL5C3 | VTL5C3 Optocoupler | |
| V2 | VTL5C3 | VTL5C3 | VTL5C3 Optocoupler | |
| Potentiometers 4 | ||||
| VR1 | 10K Lin | B10k | 10K Lin Potentiometers | |
| VR2 | 10K Lin | B10k | 10K Lin Potentiometers | |
| VR3 | 10K Lin | B10k | 10K Lin Potentiometers | |
| VR4 | 10K Lin | B10k | 10K Lin Potentiometers | |
| Switches 2 | ||||
| SW1 | T812 | T812 | Salecom 3-way switch | |
| SW2 | T812 | T812 | Salecom 3-way switch | |