Multi saturation module

DIYSynthMNL·Eurorack-Multi-Saturation-Module·kicad/Multi saturation module.kicad_pcb

Multi saturation module layout, top view — open source board by DIYSynthMNL

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About the Multi saturation module

Multi saturation module is an open source PCB design by DIYSynthMNL, published on GitHub under the GPL-3.0 license. It is a 2-layer board measuring 40 × 128.5 mm, with 63 components from 37 distinct parts.

Other key parts include the NE5532 and VTL5C. By type, the board carries 22 resistors, 10 connectors, 9 capacitors, 8 diodes, 6 ICs and 3 switches.

It belongs with the audio designs in this gallery.

From the project

A multi saturation module with voltage controlled wet/dry mix

Main components on the Multi saturation module

Multi saturation module bill of materials (BOM)

63 components, 37 distinct parts.

Qty	Part	Footprint	Refs
4	NE5532	DIP-8_W7.62mm_LongPads	U1, U2, U4, U5
2	VTL5C	Handmade_vactrol_5mm	U3, U6
1	Mix_audio_out	AudioJack_3.5mm_long_pads	J1
1	Audio_in	AudioJack_3.5mm_long_pads	J2
1	Mix_CV_in	AudioJack_3.5mm_long_pads	J4
1	Wet_audio_out	AudioJack_3.5mm_long_pads	J5
1	EuroPower_JST_3P	Eurorack_power_jst_3P	J6
1	EURO_PWR_16P	IDC-Header_2x08_P2.54mm_Vertical	J7
1	Board_B_1	PinSocket_1x16_P2.54mm_Vertical	J8
1	Board_B_2	PinSocket_1x16_P2.54mm_Vertical	J9
1	Board_A_1	PinHeader_1x16_P2.54mm_Vertical	J10
1	Board_A_2	PinHeader_1x16_P2.54mm_Vertical	J11
1	Dry_gain_10k	Potentiometer_Bourns_3296W_Vertical_BigPads	RV1
1	Wet_gain_10k	Potentiometer_Bourns_3296W_Vertical_BigPads	RV2
1	CV_lvl_50k	Potentiometer_RV09_BigPads	RV3
1	Mix_trim_50k	Potentiometer_RV09_BigPads	RV4
1	Clipping	ToggleSwitch_MTS-102_SPDT	SW1
1	Xformer_bypass	ToggleSwitch_MTS-202_DPDT	SW2
1	Opto_bypass	ToggleSwitch_MTS-202_DPDT	SW3
1	TL016-R	Audio_transformer_TL016-R	T1

Show 17 more

Qty	Part	Footprint	Refs
1	ClipLed1	LED_D5.0mm_BigPads	D1
1	ClipLed2	LED_D5.0mm_BigPads	D2
2	4148	D_4148_BigPads	D3, D4
1	Opto_sat	LED_D5.0mm_BigPads	D5
1	Wet/Dry	LED_D5.0mm_BigPads	D6
2	4001	D_DO-41_SOD81_P7.62mm_Horizontal_BigPads	D7, D8
6	0.1uF	C_Rect_L7.0mm_W2.0mm_P5.00mm_BigPads	C1, C3, C4, C5, C6, C7
1	1uF	C_Rect_L7.0mm_W4.5mm_P5.00mm_BigPads	C2
2	22uF	CP_Radial_D5.0mm_P2.50mm	C8, C9
3	680R	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R1, R3, R8
6	100k	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R2, R7, R11, R13, R16, R17
2	10R	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R4, R6
4	10k	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R5, R12, R14, R15
1	6.8k	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R9
2	330R	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R10, R22
3	47k	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R18, R19, R20
1	2.2k	R_quarter_watt_L6.3mm_D2.5mm_P7.62mm	R21

Multi saturation module design files

The KiCad project lives in the DIYSynthMNL/Eurorack-Multi-Saturation-Module repository on GitHub; these links point at the commit this page was built from.

Layoutkicad/Multi saturation module.kicad_pcb
Schematickicad/Multi saturation module.kicad_sch

Multi saturation module: common questions

How big is the Multi saturation module?

The Multi saturation module measures 40 × 128.5 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Multi saturation module?

63 components, from 37 distinct parts. The full bill of materials is listed on this page.

Where can I download the Multi saturation module design files?

From the DIYSynthMNL/Eurorack-Multi-Saturation-Module repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the Multi saturation module design in my own project?

Yes, under the terms of its GPL-3.0 license, which DIYSynthMNL chose for the repository.

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