Corona mainBoard

coriolisinstruments·EurorackModules·Corona/hardware/Corona_KiCad/Corona_mainBoard.kicad_pcb

Corona mainBoard PCB layout, top view — open source board by coriolisinstruments

About the Corona mainBoard PCB

Corona mainBoard is an open source PCB design by coriolisinstruments, published on GitHub. It is a 2-layer board measuring 78 × 108 mm, with 71 components from 26 distinct parts.

Other key parts include the TL074, TL072 and VTL5C. By type, the board carries 40 resistors, 11 capacitors, 7 diodes, 5 ICs, 4 transistors and 2 connectors.

It belongs with the audio designs in this gallery.

From the project

Open-source eurorack synthesizer modules and related stuff.

The module consists of 2 boards: - Tube board that holds (and powers) the actual tube, - Main board that holds the jacks, pots and the actual drive circuit.

Main components on the Corona mainBoard

TL074 TL072 VTL5C

Corona mainBoard bill of materials (BOM)

71 components, 26 distinct parts.

Qty	Part	Footprint	Refs
2	TL074	DIP-14_W7.62mm_Socket	U1, U3
1	TL072	DIP-8_W7.62mm_Socket	U4
2	VTL5C	PerkinElmer_VTL5C	U5, U6
3	BC547	TO-92_Inline	Q1, Q3, Q4
1	BC557	TO-92_Inline	Q2
2	Conn_02x05_Odd_Even	PinHeader_2x05_P2.54mm_Vertical	J1, J3
2	72V/0.25A	Fuse_TE5_Littlefuse-395Series	F1, F2
2	IN4001	D_DO-41_SOD81_P10.16mm_Horizontal	D1, D2
3	IN4148	D_DO-35_SOD27_P7.62mm_Horizontal	D3, D4, D5
2	LED	LED_D3.0mm	D6, D7
2	47nF	C_Disc_D7.0mm_W2.5mm_P5.00mm	C1, C2
2	10uF (25V)	CP_Radial_D4.0mm_P2.00mm	C3, C4
3	100nF	C_Disc_D7.0mm_W2.5mm_P5.00mm	C5, C6, C8
2	1uF (25V)	CP_Radial_D4.0mm_P2.00mm	C7, C12
1	22nF	C_Disc_D7.0mm_W2.5mm_P5.00mm	C9
1	0.22uF	CP_Radial_D4.0mm_P2.00mm	C10
2	1M	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R1, R6
1	220K	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R2
1	470K	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R3
4	100K	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R4, R16, R26, R27

Show 6 more

Qty	Part	Footprint	Refs
1	47K	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R5
17	10K	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R7, R10, R11, R13, R14, R15, R17, R20 +9
2	5K	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R8, R18
5	1K	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R9, R25, R29, R40, R41
6	200K	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R12, R30, R31, R32, R34, R35
1	470r	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R19

Corona mainBoard design files

The KiCad project lives in the coriolisinstruments/EurorackModules repository on GitHub; these links point at the commit this page was built from.

LayoutCorona/hardware/Corona_KiCad/Corona_mainBoard.kicad_pcb

Corona mainBoard: common questions

How big is the Corona mainBoard PCB?

The Corona mainBoard measures 78 × 108 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Corona mainBoard?

71 components, from 26 distinct parts. The full bill of materials is listed on this page.

Where can I download the Corona mainBoard design files?

From the coriolisinstruments/EurorackModules repository on GitHub, which has the KiCad layout; the links under Design files point to each one.

Can I use the Corona mainBoard design in my own project?

The repository has no license, so all rights stay with coriolisinstruments. Use it as a reference, and ask the author before reusing the design.

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