Cem3340 one
About the Cem3340 one PCB
Cem3340 one is an open source PCB design by jhitesma, published on GitHub under the MIT license. It is a 2-layer board measuring 100 × 70 mm, with 28 components from 22 distinct parts.
Other key parts include the TL074 and AS3340. By type, the board carries 13 resistors, 6 capacitors, 3 connectors and 2 ICs.
It belongs with the audio designs in this gallery.
From the project
Notes and documents for my modular synth build.
Just a place for me to record information about the modular synth I'm building. Documenting most of the build on the LMNK Forum.
Main components on the Cem3340 one
Cem3340 one bill of materials (BOM)
28 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL074 | DIP-14_W7.62mm_Socket_LongPads | U1 |
| 1 | AS3340 | DIP-16_W7.62mm_Socket_LongPads | U2 |
| 1 | INPUTS | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J1 |
| 1 | OUTPUTS | JST_XH_B4B-XH-A_1x04_P2.50mm_Vertical | J2 |
| 1 | Conn_02x05_Odd_Even | IDC-Header_2x05_P2.54mm_Vertical | J3 |
| 1 | 10k | Potentiometer_Bourns_3296W_Vertical | CAL1 |
| 1 | 100k PWM CV | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | RV1 |
| 1 | 100k Lin Coarse Tune | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | RV2 |
| 1 | 100k Lin Pulse Width | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | RV3 |
| 2 | 100n | C_Disc_D4.7mm_W2.5mm_P5.00mm | C1, C2 |
| 1 | 10nf | C_Disc_D4.7mm_W2.5mm_P5.00mm | C3 |
| 2 | 10uf | CP_Radial_D5.0mm_P2.50mm | C4, C5 |
| 1 | 1nf poly | C_Disc_D4.7mm_W2.5mm_P5.00mm | C6 |
| 4 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R6 |
| 2 | 470R | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4, R7 |
| 1 | 470k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5 |
| 1 | 24k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8 |
| 1 | 5.6k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R9 |
| 1 | 1.8k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10 |
| 1 | 1.5M | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R11 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 680r | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R12 |
| 1 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R14 |
Cem3340 one design files
The KiCad project lives in the jhitesma/Modular-Synth-Build repository on GitHub; these links point at the commit this page was built from.
Cem3340 one: common questions
How big is the Cem3340 one PCB?
The Cem3340 one measures 100 × 70 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Cem3340 one?
28 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the Cem3340 one design files?
From the jhitesma/Modular-Synth-Build repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Cem3340 one design in my own project?
Yes, under the terms of its MIT license, which jhitesma chose for the repository.
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