2 layers77.5 × 34.9 mm
2 layers45.7 × 42.5 mm
Crosstomp
Dolganoff/CrossStompVariable crossover Pedal
- Size
- 45.7 × 42.5 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 44
- Nets
- 35
- Pads
- 119
- Tracks, vias
- 340, 14
- Pours
- 1
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 12 Oct 2014
- Updated
- 4 Apr 2015
Overview
Crosstomp is an open-source printed circuit board by Dolganoff, from the Dolganoff/CrossStomp repository on GitHub. It is a 2-layer board of 45.7 × 42.5 mm with 44 parts on 35 nets, routed with 340 tracks and 14 vias.
It is built around the TL072 and TLC274ID. Its parts include 17 resistors, 9 capacitors, 5 connectors, 3 ICs and 3 switches.
Main components
2
TL072
SOP-8-18V~18V 0℃~+70℃ 1.4mA 1.5nA 10V/us 10mV 2 2.5nA 3MHz 85dB SOP-8 Operational Amplifier ROHSGcoreOperational Amplifier
TLC274ID
SOIC-14-40℃~+85℃ 0.1pA 0.6pA 1.1mV 1.7MHz 1.8uV/℃ 2.7mA 25nV/√Hz@1kHz 3.6V/us 30mA 4 4V~16V 65dB ESD protection Rail-to-Rail Input, Rail-to-Rail Output SOIC-14 Operational Amplifier ROHSTexas InstrumentsOperational Amplifier
Parts
44| Qty | Value | Footprint | References |
|---|---|---|---|
| 7 | 10K | SMD_Packages:SMD-0805 | R4, R5, R6, R9, R10, R11, R14 |
| 5 | 10 uF | Capacitors_SMD:c_elec_5x5.3 | C2, C4, C8, C9, C10 |
| 4 | 500 | SMD_Packages:SMD-0805 | R3, R15, R16, R17 |
| 3 | A 10K | Pin_Headers:Pin_Header_Straight_1x03 | RV5, RV6, RV7 |
| 3 | SW-SPDT | Pin_Headers:Pin_Header_Straight_1x03 | SW1.1, SW1.2, SW1.3 |
| 2 | 10nF | SMD_Packages:SMD-0805 | C6, C7 |
| 2 | 2.2K | SMD_Packages:SMD-0805 | R7, R8 |
| 2 | 47K | SMD_Packages:SMD-0805 | R12, R13 |
| 2 | B 25K | Pin_Headers:Pin_Header_Straight_1x03 | RV1, RV2 |
| 2 | C 100K | Pin_Headers:Pin_Header_Straight_1x03 | RV3.1, RV3.2 |
| 1 | 0.1 uF | SMD_Packages:SMD-0805 | C1 |
| 1 | 1 uF | Capacitors_SMD:c_elec_5x5.3 | C5 |
| 1 | 1K | SMD_Packages:SMD-0805 | R2 |
| 1 | 1Meg | SMD_Packages:SMD-0805 | R1 |
| 1 | 9V | Pin_Headers:Pin_Header_Straight_1x02 | P2 |
| 1 | HIGH | Pin_Headers:Pin_Header_Straight_1x01 | P3 |
| 1 | IN | Pin_Headers:Pin_Header_Straight_1x02 | P1 |
| 1 | LOW | Pin_Headers:Pin_Header_Straight_1x01 | P5 |
| 1 | SUM | Pin_Headers:Pin_Header_Straight_1x01 | P4 |
| 1 | TL072 | Housings_SOIC:SOIC-8_N | U3 |
| 1 | TLC274 | SMD_Packages:SOIC-14_N | U2 |
| 1 | TLE2426-SOIC | Housings_SOIC:SOIC-8_N | U1 |
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Questions
How big is the Crosstomp PCB?
It measures 45.7 × 42.5 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Crosstomp use?
44 parts, built around the TL072 and TLC274ID. 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.
Where can I download the Crosstomp KiCad files?
From the Dolganoff/CrossStomp repository on GitHub, at the commit this page was made from: the board is src/kicad-smd/crosstomp.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Crosstomp design in my own project?
Its repository states no licence, so its author keeps all rights: ask Dolganoff before reusing the design.