

Sequencer - MFOS
these are some pcbs :~)
- Size
- 176.3 × 101.6 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 222
- Nets
- 171
- Pads
- 513
- Tracks, vias
- 1,360, 33
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 14 Dec 2020
- Updated
- 13 Jun 2022
Overview
Sequencer - MFOS is an open-source printed circuit board by masonandrewmann, from the masonandrewmann/modular-synth-pcbs repository on GitHub. It is a 2-layer board of 176.3 × 101.6 mm with 222 parts on 171 nets, routed with 1,360 tracks and 33 vias.
It is built around the TL082, CD4094DN and CD74HC4067M. Its parts include 91 resistors, 41 connectors, 25 capacitors, 14 diodes and 10 ICs.
Main components
3TL082
SOP-8-18V~18V 0℃~+70℃ 1.4mA 1.5nA 13V/us 2 2.5nA 36V 3MHz 3mV 85dB Short-Circuit Protection SOP-8 FET Input Amplifiers ROHSGcoreOperational AmplifierCD4094DN
DIP-16-20℃~+85℃ 135ns@15V,50pF 3V~15V 4000B Series 6MHz 8 Serial-to-Parallel Tri-State DIP-16 Shift Registers ROHSHGSEMIShift RegistersCD74HC4067M
SOIC-24-300mil-55℃~+125℃ 16 160Ω 16:1 22ns 2V~6V 345ns 365ns 89MHz Bidirectional analog channel、Glitch-free switching SOIC-24-300mil Analog Switches, Multiplexers ROHSTexas InstrumentsAnalog Switches, Multiplexers
README
README.mdA collection of PCBs I've designed since getting into DIY modular synths. Do not assume that any of these designs work or are good, many of them have errors I have not fixed yet. If you want to get some manufactured, go ahead but I'd urge you to contact me first and I can let you know any quirks of the board first! :~)
Parts
222| Qty | Value | Footprint | References |
|---|---|---|---|
| 23 | 100K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R19, R33, R44, R45, R46, R47, R50, R52, R54, R56, R59, R61, R63, R65, R70, R72 +7 |
| 18 | 2M | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R30, R31, R51, R53, R55, R57, R60, R62, R64, R66, R71, R73, R75, R77, R79, R81 +2 |
| 14 | D | Diode_THT:D_T-1_P5.08mm_Horizontal | D1, D2, D3, D4, D5, D6, D7, D8, D9, D11, D13, D14, D31, D48 |
| 7 | 10K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R1, R5, R10, R11, R17, R20, R90 |
| 6 | 0.01uF | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C1, C3, C7, C8, C22, C23 |
| 6 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R26, R27, R86, R87, R88, R89 |
| 5 | 0.02uF | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C2, C4, C5, C6, C9 |
| 4 | 0.001u | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C12, C13, C14, C21 |
| 4 | 1M | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R13, R14, R34, R36 |
| 4 | 220K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R3, R7, R16, R21 |
| 4 | 47K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R4, R8, R12, R40 |
| 4 | 680K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R2, R6, R15, R22 |
| 3 | 100k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R25, R48, R58 |
| 3 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R37, R67, R68 |
| 3 | 40106 | Package_DIP:DIP-14_W7.62mm_Socket | U1, U2, U6 |
| 3 | 4k7 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R28, R32, R35 |
| 2 | 0.01u | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C15, C20 |
| 2 | 0.1u | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C25, C26 |
| 2 | 100u | Capacitor_THT:CP_Radial_D4.0mm_P2.00mm | C28, C29 |
| 2 | 1K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R41, R42 |
| 2 | 470p | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C27, C30 |
| 2 | 47k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R38, R39 |
| 2 | TL082 | Package_DIP:DIP-8_W7.62mm_Socket | U8, U10 |
| 1 | +12V_Conn | Connector_Wire:SolderWirePad_1x02_P3.81mm_Drill1mm | J73 |
| 1 | -12V_Conn | Connector_Wire:SolderWirePad_1x02_P3.81mm_Drill1mm | J75 |
| 1 | 0C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J45 |
| 1 | 0F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J46 |
| 1 | 100p | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C24 |
| 1 | 10C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J59 |
| 1 | 10F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J60 |
| 1 | 11C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J61 |
| 1 | 11F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J62 |
| 1 | 12C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J47 |
| 1 | 12F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J48 |
| 1 | 13C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J49 |
| 1 | 13F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J50 |
| 1 | 14C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J51 |
| 1 | 14F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J52 |
| 1 | 15C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J53 |
| 1 | 15F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J54 |
| 1 | 1C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J43 |
| 1 | 1F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J44 |
| 1 | 1uF | Capacitor_THT:C_Rect_L7.0mm_W2.5mm_P5.00mm | C10 |
| 1 | 200k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R49 |
| 1 | 20K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R18 |
| 1 | 22 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R69 |
| 1 | 2C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J41 |
| 1 | 2F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J42 |
| 1 | 2N3904 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | 3.9K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R43 |
| 1 | 3C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J39 |
| 1 | 3F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J40 |
| 1 | 3K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R24 |
| 1 | 3k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R29 |
| 1 | 4013 | Package_DIP:DIP-14_W7.62mm_Socket | U3 |
| 1 | 40193 | Package_DIP:DIP-16_W7.62mm_Socket | U4 |
| 1 | 4514 | Package_SO:SOIC-24W_7.5x15.4mm_P1.27mm | U7 |
| 1 | 4C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J37 |
| 1 | 4F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J38 |
| 1 | 4M7 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R91 |
| 1 | 5C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J35 |
| 1 | 5F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J36 |
| 1 | 6.2K | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P7.62mm_Horizontal | R23 |
| 1 | 6C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J33 |
| 1 | 6F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J34 |
| 1 | 7C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J31 |
| 1 | 7F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J32 |
| 1 | 8C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J55 |
| 1 | 8F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J56 |
| 1 | 9C | Connector_Wire:SolderWirePad_1x01_Drill1mm | J57 |
| 1 | 9F | Connector_Wire:SolderWirePad_1x01_Drill1mm | J58 |
| 1 | CBUS | Connector_Wire:SolderWirePad_1x01_Drill1mm | J9 |
| 1 | CD4094 | Package_DIP:DIP-16_W7.62mm_Socket | U12 |
| 1 | CD74HC4067M | Package_DIP:DIP-24_W15.24mm_Socket | U11 |
| 1 | CKOUT | Connector_Wire:SolderWirePad_1x01_Drill1mm | J5 |
| 1 | CK_RT1W | Connector_Wire:SolderWirePad_1x01_Drill1mm | J63 |
| 1 | CK_RT3 | Connector_Wire:SolderWirePad_1x01_Drill1mm | J64 |
| 1 | CV1_GL | Connector_Wire:SolderWirePad_1x01_Drill1mm | J27 |
| 1 | CV2_GL | Connector_Wire:SolderWirePad_1x01_Drill1mm | J28 |
| 1 | CV3 | Connector_Wire:SolderWirePad_1x01_Drill1mm | J29 |
The 182 most common of 222 parts.
More from masonandrewmann/modular-synth-pcbs
12- 2 layers80.8 × 112.5 mm

- 2 layers110.2 × 116.8 mm

- 2 layers115.3 × 110 mm

Dual Universal Slope Generator - CGS
masonandrewmann/modular-synth-pcbs
these are some pcbs :~)
149 parts1 - 2 layers94.5 × 109.2 mm

- 2 layers84.1 × 65.5 mm

- 2 layers127 × 101.6 mm

- 2 layers110.5 × 54.1 mm

- 2 layers113.5 × 63.5 mm

Smooth and Stepped Generator - CGS
masonandrewmann/modular-synth-pcbs
these are some pcbs :~)
112 parts1 - 2 layers

- 2 layers127 × 101.6 mm

- 2 layers101.6 × 127 mm

- 2 layers94.2 × 125 mm

Similar boards
- 4 layers163 × 116.5 mm

- 2 layers100 × 100 mm

BulkyMIDI-32 Channel
tebl/BulkyMIDI-32
A HW build of the MT32-PI project, allowing you to emulate a Roland MT-32 using a Raspberry Pi. Includes enough additional modules to build a MIDI-mountain as well as adapters for connecting to most things retro.
122 parts80CC-BY-SA-4.0 - 2 layers160 × 101.6 mm

- 2 layers83.8 × 40.1 mm

- 2 layers312 × 140 mm

- 2 layers422.4 × 118.2 mm

MidiMood (tht)
silveirago/MidiMood
This repository contains the code for a custom MIDI controller project called MidiMood, built using an ATmega32U4 microcontroller (or similar).
53 parts82 - 2 layers248.9 × 120.7 mm

16nx
16n-faderbank/16nx
16nx is a controller for musical instruments. Sixteen faders,MIDI over USB and jack, CV out, and I2C out. Based around RP2040.
171 parts76 - 4 layers100 × 100 mm

OPDM
brenonsantos/OpenPDM
OpenPDM is an open-source programable Power Distribution Module for your car
156 parts75MIT
Questions
How big is the Sequencer - MFOS PCB?
It measures 176.3 × 101.6 mm and has 2 copper layers, 1.6 mm thick.
What parts does the Sequencer - MFOS use?
222 parts, built around the TL082, CD4094DN and CD74HC4067M. The full list of its parts is on this page, with links to each part's symbol and footprint where PCBKit's library has them.
Where can I download the Sequencer - MFOS KiCad files?
From the masonandrewmann/modular-synth-pcbs repository on GitHub, at the commit this page was made from: the board is Sequencer - MFOS/Sequencer - MFOS.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Sequencer - MFOS design in my own project?
Its repository states no licence, so its author keeps all rights: ask masonandrewmann before reusing the design.