OSCAR_AUDIO_01
DADDesign-Projects
Dedicated electronic board implementing the audio section of the OSCAR effects pedal. This board handles all digital and analog audio processing required for the pedal's operation.
Components (49)
| Reference | Value | Description |
|---|---|---|
| U1 | OPA1642 | Audio Operational Amplifier with 1.1nV/√Hz Noise, Low THD and Precision |
| U2 | OPA1644 | Quad SoundPlus High Performance Audio Operational Amplifiers, SOIC-14 |
| U3 | PCM3060 | 24-bit Asynchronous Stereo Audio Codec with 96/192kHz sampling rate, TSSOP-28 |
| U4 | NE5532 | Dual Low-Noise Operational Amplifiers, DIP-8/SOIC-8 |
| U5 | PGA2310 | +/-15-V stereo audio volume control with low gain error (0.05) |
| U6 | LM317_SOT-223 | 1.5A 35V Adjustable Linear Regulator, SOT-223 |
| U7 | LM337_SOT223 | Negative 1A 35V Adjustable Linear Regulator, SOT-223 |
| U8 | L78L05_SOT89 | Positive 100mA 30V Linear Regulator, Fixed Output 5V, SOT-89 |
| C1,C10 | 330p NPO | Unpolarized capacitor |
| C2,C9 | 220n | Unpolarized capacitor |
| C3,C8,C15,C19 | 10u X7R | Unpolarized capacitor |
| C4,C5,C11,C12 | 100p | Unpolarized capacitor |
| C6,C21-C26,C33,C35,C40,C42,C43,C45 | 100n | Unpolarized capacitor |
| C7,C41,C44 | 10u tal | Polarized capacitor |
| C13,C16,C17,C20 | 470p NPO | Unpolarized capacitor |
| C14,C18 | 1.5n | Unpolarized capacitor |
| C27,C30,C38 | 100u | Polarized capacitor |
| C28,C31,C37 | 20u | Polarized capacitor |
| C29,C32,C34,C36 | 10u Tal | Polarized capacitor |
| D1,D2 | 1N4148W | 75V 0.15A Fast Switching Diode, SOD-123 |
| FB1,FB3 | FerriteBead | Ferrite bead, small symbol |
| FB2,FB4 | FerriteBead_Small | Ferrite bead, small symbol |
| J1 | InL | M Series, 6.35mm (1/4in) stereo jack, switched, with chrome ferrule and offset PCB pins |
| J2 | InR | M Series, 6.35mm (1/4in) stereo jack, switched, with chrome ferrule and offset PCB pins |
| J3 | OutR | M Series, 6.35mm (1/4in) stereo jack, switched, with chrome ferrule and offset PCB pins |
| J4 | OutL | M Series, 6.35mm (1/4in) stereo jack, switched, with chrome ferrule and offset PCB pins |
| J5 | SAI | Generic connector, single row, 01x07, script generated |
| J6 | Vol | Generic connector, single row, 01x06, script generated |
| J7,J8 | +12V | Generic connector, single row, 01x02, script generated |
| J9 | ByPass | Generic connector, single row, 01x02, script generated |
| K1,K2 | G6K-2F-Y | Miniature 2-pole relay, Single-side Stable |
| PS1 | A1209S 2W | 2W, 1000 VDC Isolated DC/DC Converter Module, Dual Output Voltage ±9V |
| PS2 | B1209S | Isolated DC/DC Converter Module, Output Voltage +9V |
| R1,R2,R10,R11,R17,R21,R28,R32,R40-R44,RV1,RV2 | 10k | Dual potentiometer, separate units,Resistor |
| R3,R9 | 20k | Resistor |
| R4,R6-R8,R13,R14,R36,R51 | 1k | Resistor |
| R5,R12,R37 | 220k | Resistor |
| R15,R23,R26,R35 | 7.5k | Resistor |
| R16,R20,R27,R31 | 820 | Resistor |
| R18,R29 | 100 | Resistor |
| R19,R22,R30,R33 | 22k | Resistor |
| R24,R34 | 100k | Resistor |
| R25,R52 | 1K | Resistor |
| R38,R39 | 4.7k | Resistor |
| R45,R48 | 120 0.1% | Resistor |
| R46,R47 | 360 0.1% | Resistor |
| R49 | 1M | Resistor |
| R50 | 0 | Resistor |
| TP1,TP2 | GNDA | test point |