OP-Damp
About the OP-Damp PCB
OP-Damp is an open source PCB design by apxco, published on GitHub. It is a 2-layer board measuring 73.7 × 72.4 mm, with 60 components from 27 distinct parts.
Other key parts include the 40106, 4027, NE5532 and LMV393. By type, the board carries 21 capacitors, 18 resistors, 6 test points, 5 ICs, 4 diodes and 3 connectors.
From the project
Experimenteller Modulator für Klasse D Verstärker.
Experimenteller Modulator für Klasse D Verstärker.
Letzte Version mit Anpassung der Werte, funktioniert soweit.
Werde sehen ob ich an diesem Projekt weiter mache. Ein integrierte Chip Lösung ist sicher zu bevorzugen.
Main components on the OP-Damp
OP-Damp bill of materials (BOM)
60 components, 27 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 40106 | SO-14_3.9x8.65mm_P1.27mm | U1 |
| 1 | 4027 | SOIC-16_3.9x9.9mm_P1.27mm | U2 |
| 2 | NE5532 | SOP-8_3.76x4.96mm_P1.27mm | U3, U4 |
| 1 | LMV393 | SOP-8_3.76x4.96mm_P1.27mm | U5 |
| 3 | Conn_01x04_Pin | PinHeader_1x04_P2.54mm_Vertical | J1, J2, J3 |
| 1 | 10k | Potentiometer_Bourns_3296W_Vertical | Freq.1 |
| 1 | R_Potentiometer | Potentiometer_Alps_RK09K_Single_Vertical | RV1 |
| 1 | SW_Wuerth_450301014042 | SW_Slide-03_Wuerth-WS-SLTV_10x2.5x6.4_P2.54mm | SW1 |
| 1 | TestPoint_1 | PinHeader_1x02_P2.54mm_Vertical | TP1 |
| 1 | TestPoint_3 | PinHeader_1x02_P2.54mm_Vertical | TP3 |
| 4 | TestPoint_2Pole | PinHeader_1x02_P2.54mm_Vertical | TP4, TP5, TP6, TP7 |
| 2 | 1N4007 | D_DO-35_SOD27_P7.62mm_Horizontal | D1, D2 |
| 2 | D | D_DO-35_SOD27_P7.62mm_Horizontal | D3, D4 |
| 1 | 100n | C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal | C1 |
| 9 | 100n | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C2, C4, C12, C13, C14, C15, C16, C17 +1 |
| 1 | 1u | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C3 |
| 4 | 1u | C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal | C5, C7, C8, C21 |
| 1 | 150n | C_Axial_L3.8mm_D2.6mm_P7.50mm_Horizontal | C6 |
| 1 | 10n | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C9 |
| 2 | 100nF | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C10, C11 |
Show 7 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | C_Polarized | CP_Radial_D8.0mm_P5.00mm | C19, C20 |
| 7 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R7, R9, R10, R11, R12, R13 |
| 3 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R3, R6 |
| 2 | 100k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R4, R8 |
| 1 | 75k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5 |
| 4 | 3k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R14, R15, R16, R17 |
| 1 | 1M | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R18 |
OP-Damp design files
The KiCad project lives in the apxco/Kicad repository on GitHub; these links point at the commit this page was built from.
- LayoutOP-D-Amp/OP-D-Amp.kicad_pcb
- SchematicOP-D-Amp/OP-D-Amp.kicad_sch
OP-Damp: common questions
How big is the OP-Damp PCB?
The OP-Damp measures 73.7 × 72.4 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the OP-Damp?
60 components, from 27 distinct parts. The full bill of materials is listed on this page.
Where can I download the OP-Damp design files?
From the apxco/Kicad repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the OP-Damp design in my own project?
The repository has no license, so all rights stay with apxco. Use it as a reference, and ask the author before reusing the design.
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