
PSLab
fossasia/pslab-hardware
PSLab Hardware Design and Schematics https://pslab.io

Mfos noise toaster is an open-source printed circuit board by samzeter, from the samzeter/noise-toaster repository on GitHub. It is a 2-layer board of 132.1 × 68.6 mm with 138 parts on 73 nets, routed with 639 tracks and 1 via.
It is built around the LM324. Its parts include 61 resistors, 27 capacitors, 10 transistors, 3 ICs and 1 diode.
See my website for more info
| Qty | Value | Footprint | References |
|---|---|---|---|
| 30 | Pad | samz-kicad-library:pad | GND1, VCOIn1, X1, X2, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21 +14 |
| 13 | 100K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R14, R24, R25, R31, R44, R45, R47, R55, R58, R59, R60, R67 |
| 11 | 10K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R6, R9, R12, R15, R17, R26, R32, R52, R61, R62 |
| 9 | 0.1uF | samz-kicad-library:C_Disc_D5.0mm_W2.5mm_P3.50mm | C3, C4, C5, C7, C8, C11, C12, C20, C77 |
| 5 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline | Q2, Q3, Q4, Q5, Q6 |
| 5 | 4.7K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R22, R23, R37, R42, R54 |
| 4 | 10uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C13, C14, C25, COPTIONAL |
| 4 | 2N5457_NonStock | digikey-footprints:TO-92-3 | Q1, Q7, Q8, Q9 |
| 3 | 0.001uF | samz-kicad-library:C_Disc_D4.7mm_W2.5mm_P3.00mm | C2, C9, C10 |
| 3 | 1M | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8, R46, R77 |
| 3 | 1uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C16, C19, C21 |
| 3 | 2M | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5, R16, R30 |
| 3 | 3K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R48, R65, R70 |
| 3 | 470K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10, R19, R41 |
| 2 | 150K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R63, R64 |
| 2 | 39K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R39, R40 |
| 2 | 4.7M | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R33, R35 |
| 2 | 470uF | samz-kicad-library:CP_Radial_D10.0mm_P5.50mm | C15, C23 |
| 2 | 47K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R27, R36 |
| 2 | 75K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R2, R56 |
| 2 | LM324 | Package_DIP:DIP-14_W7.62mm_LongPads | U1, U2 |
| 2 | Pad-samz-symbol | samz-kicad-library:pad | BN1, BP1 |
| 1 | 0.01uF | Capacitor_THT:C_Disc_D3.8mm_W2.6mm_P2.50mm | C6 |
| 1 | 0.047uF | Capacitor_THT:C_Disc_D3.4mm_W2.1mm_P2.50mm | C24 |
| 1 | 10 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R69 |
| 1 | 100pF | Capacitor_THT:C_Disc_D3.4mm_W2.1mm_P2.50mm | C1 |
| 1 | 15K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R18 |
| 1 | 1N914 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 1 | 200 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R57 |
| 1 | 20K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R68 |
| 1 | 220uF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C22 |
| 1 | 270K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R3 |
| 1 | 2K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R11 |
| 1 | 2N3906 | digikey-footprints:TO-92-3 | Q10 |
| 1 | 300K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R7 |
| 1 | 36K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R21 |
| 1 | 3M | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R34 |
| 1 | 4.7uF | Capacitor_THT:CP_Radial_D5.0mm_P2.50mm | C18 |
| 1 | 470uF | Capacitor_THT:CP_Radial_D10.0mm_P5.00mm | C26 |
| 1 | 820 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R50 |
| 1 | LM386N-4_NOPB | digikey-footprints:DIP-8_W7.62mm | U3 |
The 134 most common of 138 parts.
It measures 132.1 × 68.6 mm and has 2 copper layers, 1.6 mm thick.
138 parts, built around the LM324. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
From the samzeter/noise-toaster repository on GitHub, at the commit this page was made from: the board is mfos_noise_toaster.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Its repository states no licence, so its author keeps all rights: ask samzeter before reusing the design.

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