Envelope Follower Main

mzuelch·CATs-Eurosynth·Modules/Standard Line/Envelope Follower/Electronics/Main/Envelope Follower Main.kicad_pcb

Envelope Follower Main PCB layout, top view — open source board by mzuelch

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About the Envelope Follower Main PCB

Envelope Follower Main is an open source PCB design by mzuelch, published on GitHub under the MIT license. It is a 2-layer board measuring 31.8 × 101.6 mm, with 31 components from 25 distinct parts.

Other key parts include the TL072CDT. By type, the board carries 13 resistors, 7 diodes, 6 capacitors, 4 connectors and 1 IC.

It belongs with the audio designs in this gallery.

From the project

Analog Synth Eurorack Modules

Main components on the Envelope Follower Main

Envelope Follower Main bill of materials (BOM)

31 components, 25 distinct parts — part numbers from the project's BOM.

Qty	Part	Footprint	Refs
1	TL072CDT TL074	DIP-14_W7.62mm_LongPads	U1
1	In	Jack_3.5mm_QingPu_WQP-PJ323M	J1
1	Env	Jack_3.5mm_QingPu_WQP-PJ323M	J2
1	Power	Power_2x5_Vertical	J3
1	A1M	Potentiometer_AlpsAlpine_RK0971110	P1
2	BAV99 1N4148	D_DO-35_SOD27_P7.62mm_Horizontal	D1, D2
2	1N4148	D_DO-35_SOD27_P7.62mm_Horizontal	D3, D4
1	BAV99 LED	LED_D3.0mm_Horizontal_O1.27mm_Z10.0mm	D5
1	BAV99 1N5817	D_DO-41_SOD81_P10.16mm_Horizontal	D6
1	1N5817	D_DO-41_SOD81_P10.16mm_Horizontal	D7
1	100UF/6.3V 100n	C_Disc_D4.7mm_W2.5mm_P5.00mm	C1
1	100n	C_Disc_D4.7mm_W2.5mm_P5.00mm	C2
2	10UF/16V 10uF/16V	CP_Radial_D5.0mm_P2.00mm	C3, C5
1	10UF/16V 100n	C_Disc_D4.7mm_W2.5mm_P5.00mm	C4
1	100N 100n	C_Disc_D4.7mm_W2.5mm_P5.00mm	C6
2	3K3 100k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R1, R2
3	33K 100k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R3, R4, R7
1	7K5 18k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R5
1	10K 100k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R6
1	33K 1k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R8

Show 5 more

Qty	Part	Footprint	Refs
1	10K 2k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R9
1	10K 10k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R10
1	27K 39k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R11
1	1K5 10k	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R12
1	10K 470	R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal	R13

Envelope Follower Main design files

The KiCad project lives in the mzuelch/CATs-Eurosynth repository on GitHub; these links point at the commit this page was built from.

Envelope Follower Main: common questions

How big is the Envelope Follower Main PCB?

The Envelope Follower Main measures 31.8 × 101.6 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the Envelope Follower Main?

31 components, from 25 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.

Where can I download the Envelope Follower Main design files?

From the mzuelch/CATs-Eurosynth repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.

Can I use the Envelope Follower Main design in my own project?

Yes, under the terms of its MIT license, which mzuelch chose for the repository.

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