Cem3340-module
About the Cem3340-module
Cem3340-module is an open source PCB design by blthree, published on GitHub. It is a 2-layer board measuring 98.4 × 82.3 mm, with 78 components from 61 distinct parts.
Other key parts include the TL072, CEM3340, LM337_TO220, LM7812_TO220 and LTC1044. By type, the board carries 29 resistors, 18 connectors, 17 capacitors, 5 ICs and 2 diodes.
It belongs with the audio designs in this gallery.
Main components on the Cem3340-module
Cem3340-module bill of materials (BOM)
78 components, 61 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | TL072 | DIP-8_W7.62mm_Socket | U1 |
| 1 | CEM3340 | DIP-16_W7.62mm_Socket | U2 |
| 1 | LM337_TO220 | TO-220-3_Horizontal_TabDown | U3 |
| 1 | LM7812_TO220 | TO-220-3_Horizontal_TabDown | U4 |
| 1 | LTC1044 | DIP-8_W7.62mm_Socket | U5 |
| 1 | 1V/Oct | PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | Expo CV | PinHeader_1x02_P2.54mm_Vertical | J2 |
| 1 | Linear FM | PinHeader_1x02_P2.54mm_Vertical | J3 |
| 1 | Sync Jumper | PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | Hard Sync | PinHeader_1x02_P2.54mm_Vertical | J5 |
| 1 | PWM | PinHeader_1x02_P2.54mm_Vertical | J6 |
| 1 | Power | JST_PH_B3B-PH-K_1x03_P2.00mm_Vertical | J7 |
| 1 | Sqr Jump | PinHeader_1x02_P2.54mm_Vertical | J8 |
| 1 | Power | JST_XH_B03B-XH-AM_1x03_P2.50mm_Vertical | J9 |
| 1 | Test Bus | PinHeader_1x08_P2.54mm_Vertical | J10 |
| 1 | Saw | PinHeader_1x02_P2.54mm_Vertical | J11 |
| 1 | Tri | PinHeader_1x02_P2.54mm_Vertical | J12 |
| 1 | Sqr | PinHeader_1x02_P2.54mm_Vertical | J13 |
| 1 | Tune Jmp | PinHeader_1x02_P2.54mm_Vertical | J14 |
| 1 | Sync In | CUI_SJ2-3592B-SMT-TR | J15 |
Show 41 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CV In | CUI_SJ2-3592B-SMT-TR | J16 |
| 1 | VCO Out | CUI_SJ2-3592B-SMT-TR | J17 |
| 1 | VCO Out Jmp | PinHeader_1x04_P2.54mm_Vertical | J18 |
| 1 | 10k | Potentiometer_Bourns_3296W_Vertical | RV1 |
| 1 | 5K | Potentiometer_Bourns_3386P_Vertical | RV2 |
| 1 | 100k Coarse | Potentiometer_Bourns_PTV09A-1_Single_Vertical | RV3 |
| 1 | R_POT_TRIM | Potentiometer_Bourns_3296W_Vertical | RV4 |
| 1 | 10k Ref Pitch | Potentiometer_Bourns_3296W_Vertical | RV5 |
| 1 | 500R Scale Adj | Potentiometer_Bourns_3296W_Vertical | RV6 |
| 1 | 100k Fine | Potentiometer_Bourns_PTV09A-1_Single_Vertical | RV7 |
| 1 | D_ALT | D_DO-35_SOD27_P7.62mm_Horizontal | D1 |
| 1 | TL431LP | TO-92_Inline | D2 |
| 2 | 1n | C_Disc_D4.7mm_W2.5mm_P5.00mm | C1, C2 |
| 6 | 100n | C_Disc_D4.7mm_W2.5mm_P5.00mm | C3, C7, C11, C12, C13, C14 |
| 2 | 10n | C_Disc_D4.7mm_W2.5mm_P5.00mm | C4, C5 |
| 1 | 1000p / Mica | C_Axial_L12.0mm_D6.5mm_P15.00mm_Horizontal | C6 |
| 2 | 10uF | CP_Radial_D7.5mm_P2.50mm | C8, C10 |
| 1 | 560pF | C_Disc_D4.7mm_W2.5mm_P5.00mm | C9 |
| 2 | 100uF | CP_Radial_D7.5mm_P2.50mm | C15, C16 |
| 1 | 1000p Alt | C_Rect_L10.0mm_W4.0mm_P7.50mm_MKS4 | C17 |
| 3 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R1, R18, R19 |
| 3 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R2, R12, R13 |
| 1 | 51K | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R3 |
| 2 | 470 | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R4, R7 |
| 1 | 1M | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R5 |
| 1 | 1.5M | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R6 |
| 1 | 560k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R8 |
| 2 | 5.6k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R9, R15 |
| 1 | 1.62k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R10 |
| 1 | 18K | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R11 |
| 1 | 220K | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R14 |
| 1 | 680R | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R16 |
| 1 | 200R | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R17 |
| 1 | 47R | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R20 |
| 1 | 4.7k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R21 |
| 3 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R22, R24, R28 |
| 1 | 20k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R23 |
| 1 | 500R | Potentiometer_Bourns_3296W_Vertical | R25 |
| 1 | 10k | Potentiometer_Bourns_3296W_Vertical | R26 |
| 1 | 22k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R27 |
| 1 | 470k | R_Axial_DIN0207_L6.3mm_D2.5mm_P5.08mm_Vertical | R29 |
Cem3340-module design files
The KiCad project lives in the blthree/synth_schematics repository on GitHub; these links point at the commit this page was built from.
Cem3340-module: common questions
How big is the Cem3340-module?
The Cem3340-module measures 98.4 × 82.3 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Cem3340-module?
78 components, from 61 distinct parts. The full bill of materials is listed on this page.
Where can I download the Cem3340-module design files?
From the blthree/synth_schematics repository on GitHub, which has the KiCad layout; the links under Design files point to each one.
Can I use the Cem3340-module design in my own project?
The repository has no license, so all rights stay with blthree. Use it as a reference, and ask the author before reusing the design.
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