DMH VCEG PCB 2
About the DMH VCEG PCB 2
DMH VCEG PCB 2 is an open source PCB design by DeMarco, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 148 × 139 mm, with 224 components from 99 distinct parts.
Other key parts include the CD4066BE, TL074, CD4001BE and TL072. By type, the board carries 100 resistors, 32 capacitors, 20 transistors, 18 diodes, 12 ICs and 7 connectors.
Main components on the DMH VCEG PCB 2
DMH VCEG PCB 2 bill of materials (BOM)
224 components, 99 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | CD4066BE | DIP-14_W7.62mm_Socket | U4 |
| 4 | TL074 | DIP-14_W7.62mm_Socket | U8, U9, U10, U18 |
| 1 | TL074 CD4066BE | DIP-14_W7.62mm_Socket | U14 |
| 2 | CD4001BE TL074 | DIP-14_W7.62mm_Socket | U19, U20 |
| 1 | TL072 TL074 | DIP-14_W7.62mm_Socket | U21 |
| 2 | CD4066BE | DIP-14_W7.62mm_Socket | U22, U24 |
| 1 | TL074 | DIP-14_W7.62mm_Socket | U23 |
| 2 | BC548 | TO-92L_Inline_Wide | Q7, Q8 |
| 14 | BC548 | TO-92L_Inline_Wide | Q9, Q10, Q13, Q14, Q15, Q16, Q23, Q24 +6 |
| 4 | BC558 | TO-92L_Inline_Wide | Q11, Q12, Q27, Q28 |
| 5 | CONN_01X10_PINHEADER Conn_01x10_PinHeader | PinSocket_1x10_P2.54mm_Vertical | J21, J22, J23, J25, J26 |
| 1 | CONN_01X10_PINHEADER Conn_01x06_PinHeader | PinSocket_1x06_P2.54mm_Vertical | J24 |
| 1 | CONN_01X06_PINHEADER Conn_01x10_PinHeader | PinSocket_1x10_P2.54mm_Vertical | J27 |
| 1 | C100K 20k | Potentiometer_Bourns_3296X_Horizontal | RV4 |
| 2 | 100K 100k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV5, RV26 |
| 3 | 50K 100k | Potentiometer_Bourns_3296X_Horizontal | RV6, RV27, RV30 |
| 5 | 50K 100k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV7, RV8, RV28, RV29, RV31 |
| 1 | 100K 100k | Potentiometer_Bourns_3296X_Horizontal | RV9 |
| 1 | C100K 100k | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical | RV10 |
| 1 | 10K 50k | Potentiometer_Bourns_3296X_Horizontal | RV11 |
Show 79 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 50K 100k | Potentiometer_TT_P110KH1 | RV12, RV37 |
| 3 | 100K 50k | Potentiometer_Bourns_3296X_Horizontal | RV13, RV15, RV17 |
| 1 | C100K 100k | Potentiometer_TT_P110KH1 | RV14 |
| 5 | 100K 100k | Potentiometer_TT_P110KH1 | RV16, RV18, RV33, RV35, RV39 |
| 1 | 100K 20k | Potentiometer_Bourns_3296X_Horizontal | RV25 |
| 3 | 50K 50k | Potentiometer_Bourns_3296X_Horizontal | RV32, RV36, RV38 |
| 1 | C100K 50k | Potentiometer_Bourns_3296X_Horizontal | RV34 |
| 1 | SW_DPDT_X2 DPDT_OnOff(On) | Toggle_Switch_2_Poles_TE | SW1 |
| 1 | SW_DPDT_X2 DPDT_OnOffOn | Toggle_Switch_2_Poles_TE | SW2 |
| 1 | SW_SPDT_321_ONOFF SPDT_OnOn | Toggle_Switch_TE | SW3 |
| 1 | SW_SPDT_321_ONOFF DPDT_OnOffOn | Toggle_Switch_2_Poles_TE | SW4 |
| 1 | SW_SPDT_321_ONOFF DPDT_OnOff(On) | Toggle_Switch_2_Poles_TE | SW5 |
| 1 | ZPD10 LED_R | LED_D3.0mm | D8 |
| 4 | 1N4148 LED_R | LED_D3.0mm | D9, D10, D27, D28 |
| 3 | LED_R | LED_D3.0mm | D11, D29, D30 |
| 3 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D17, D18, D21 |
| 1 | 1N4148 Z10 | D_DO-35_SOD27_P7.62mm_Horizontal | D19 |
| 1 | ZPD10 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D20 |
| 4 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D36, D37, D39, D40 |
| 1 | Z10 | D_DO-35_SOD27_P7.62mm_Horizontal | D38 |
| 3 | 1UF 100nF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C7, C18, C21 |
| 2 | 100PF 100nF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C13, C14 |
| 1 | 10NF 100nF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C15 |
| 2 | 1NF 100nF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C16, C17 |
| 1 | 10UF 100nF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C19 |
| 11 | 100NF 100nF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C20, C26, C32, C33, C34, C35, C36, C37 +3 |
| 3 | 100NF 1uF | C_Rect_L7.0mm_W4.5mm_P5.00mm | C45, C50, C61 |
| 2 | 100NF 10uF | CP_Radial_D4.0mm_P1.50mm | C49, C51 |
| 2 | 10uF | CP_Radial_D4.0mm_P1.50mm | C65, C67 |
| 1 | 1uF | C_Rect_L7.0mm_W4.5mm_P5.00mm | C66 |
| 4 | 100nF | C_Disc_D4.3mm_W1.9mm_P5.00mm | C73, C74, C75, C76 |
| 2 | 10K 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R11, R89 |
| 2 | 100K 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R15, R112 |
| 1 | 10K 68k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R18 |
| 1 | 470R 2k2 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R27 |
| 5 | 100K 2k2 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R28, R30, R124, R125, R126 |
| 1 | 125K 2k2 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R29 |
| 5 | 100K 300k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R48, R55, R145, R152, R153 |
| 1 | 470R 75k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R49 |
| 1 | 47K 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R50 |
| 1 | 100R 4k7 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R51 |
| 1 | 680R 5K9 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R52 |
| 10 | 100K 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R53, R54, R62, R64, R71, R72, R79, R81 +2 |
| 1 | 68K 300k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R56 |
| 1 | 2K2 220k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R57 |
| 1 | 2K2 75k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R58 |
| 1 | 2K2 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R59 |
| 1 | 2K2 5K9 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R60 |
| 1 | 68K 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R61 |
| 5 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R63, R160, R173, R175, R177 |
| 4 | 300k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R65, R162, R170, R179 |
| 1 | 33K 4k7 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R66 |
| 1 | 33K 127k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R67 |
| 2 | 33K 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R68, R69 |
| 12 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R70, R159, R161, R165, R166, R167, R168, R169 +4 |
| 1 | 33K 300k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R73 |
| 1 | 33K 220k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R74 |
| 1 | 33K 75k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R75 |
| 1 | 33K 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R76 |
| 2 | 5K9 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R77, R174 |
| 4 | 100K 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R78, R80, R147, R156 |
| 1 | 22K 300k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R82 |
| 2 | 100K 4k7 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R83, R148 |
| 2 | 22K 33k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R84, R87 |
| 6 | 33k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R85, R86, R181, R182, R183, R184 |
| 1 | 470R 68K | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R88 |
| 1 | 10K 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R90 |
| 1 | 47K 2k2 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R127 |
| 2 | 100K 75k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R146, R155 |
| 1 | 10K 5K9 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R149 |
| 1 | 10K 220k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R154 |
| 1 | 100K 5K9 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R157 |
| 1 | 10K 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R158 |
| 2 | 4k7 | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R163, R180 |
| 1 | 127k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R164 |
| 1 | 220k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R171 |
| 1 | 75k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R172 |
| 2 | 68k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R185, R197 |
| 1 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R187 |
DMH VCEG PCB 2 design files
The KiCad project lives in the DeMarco/DMH-VCEG repository on GitHub; these links point at the commit this page was built from.
DMH VCEG PCB 2: common questions
How big is the DMH VCEG PCB 2?
The DMH VCEG PCB 2 measures 148 × 139 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the DMH VCEG PCB 2?
224 components, from 99 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 DMH VCEG PCB 2 design files?
From the DeMarco/DMH-VCEG 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 DMH VCEG PCB 2 design in my own project?
Yes, under the terms of its CC0-1.0 license, which DeMarco chose for the repository.
