1590B
PowerPass
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- Category
- Utility
- Price
- $1.50in stock
From the vendor
This is a combination of two circuits: a voltage converter/inverter and a True Bypass switch, made on one small PCB that can be built into the pedal body (1590B or larger). The converter can provide supply voltages: + 9 V (directly from the input supply), - 9 V (an excellent solution for powering germanium fuzz on p-n-p transistors), + 18 V (unregulated) and + 12 V (regulated). All outputs can be used simultaneously if necessary, if the total current consumption of the circuit does not exceed 45 mA. The dimensions of the PCB 50 x 22 mm.
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 8 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Capacitors 3 | ||||
| ×1 | 100n | 100n | Monolithic ceramic capacitor X7R 100n 50V | Monolithic ceramic capacitor |
| ×5 | 10u | 10u | Electrolytic capacitor 10µ 25V Low ESR | Electrolytic capacitor |
| ×1 | 100u | 100u | Electrolytic capacitor 100µ 16V | Electrolytic capacitor |
| Diodes 1 | ||||
| ×1 | diode 12V | DIODE 12V | Zener diode 12V | 1N4742A, BZV85-C12 |
| ICs 1 | ||||
| ×1 | ICL7660SCPAZ | ICL7660SCPAZ | IC ICL7660SCPAZ | |
| LEDs 1 | ||||
| ×1 | 3mm or 5mm LED | 3MM OR 5MM LED | 3mm or 5mm LED | pins length 40mm |
| Other 2 | ||||
| ×3 | Diole 1N5818 | DIOLE 1N5818 | Diole 1N5818 | 1N5819 |
| ×1 | Stab LM78L12 | STAB LM78L12 | Stab LM78L12 | |