Here starts a building of a MFOS 16 Step Sequencer in MU Format.
Frontpanel:
http://www.bigbluewave.co.uk/resynthesis/
http://www.bigbluewave.co.uk/resynthesis/images/mfos_16step_rot_seq-med.jpg
BOM:
Knobs: Moog Style
Pots:
Jacks: musikding jack 6,3mm switched
Led´s:
Switch:
analog Board:
| Qty. | Description | Value | Designators |
|---|---|---|---|
| 3 | CD40106(s) | CD40106 | U2, U1, U6 |
| 1 | CD4013 Dual D Flip Flop B | CD4013-B | U3 |
| 1 | CD40193 4 Counter | CD40193 | U4 |
| 1 | CD4094 8 Stage Shift/Store Reg | CD4094 | U8 |
| 1 | CD4514 4 Bit Latched 4 Dec. | CD4514 | U5 |
| 1 | TL082 Dual Op Amp | TL082 | U7 |
| 17 | LED(s) | General Purpose LED | LED1, LED5, LED3, LED9, LED7, LED13, LED11, LED17, LED15, LED4, LED2, LED8, LED6, LED12, LED10, LED16, LED14 |
| 31 | 1N914 Sw. Diode(s) | General purpose high speed switching diode | D2, D5, D6, D7, D1, D11, D3, D4, D8, D31, D9, D15, D12, D19, D17, D23, D21, D27, D25, D26, D24, D22, D20, D16, D18, D14, D10, D13, D28, D29, D30 |
| 1 | 2N3904 | 2N3904 | Q1 |
| 1 | Tantalum Capacitor | 1uF | C10 |
| 4 | Ceramic Capacitor(s) | .001uF | C14, C12, C13, C18 |
| 8 | Ceramic Capacitor(s) | .01uF | C22, C23, C1, C3, C8, C7, C15, C16 |
| 5 | Ceramic Capacitor | .022uF | C9, C2, C4, C5, C6 |
| 2 | Ceramic Capacitor(s) | .1uF | C19, C24 |
| 1 | Ceramic Capacitor | 100pF | C17 |
| 1 | Ceramic Capacitor | 47pF | C11 |
| 2 | Electrolytic Capacitor(s) | 10uF | C20, C21 |
| 1 | Linear Potentiometer | 1M | R19 |
| 8 | Resistor 1/4 Watt 5%(s) | 100K | R47, R9, R46, R44, R45, R28, R26, R32 |
| 7 | Resistor 1/4 Watt 5%(s) | 10K | R1, R5, R10, R11, R17, R20, R39 |
| 4 | Resistor 1/4 Watt 5%(s) | 1K | R42, R41, R29, R27 |
| 4 | Resistor 1/4 Watt 5%(s) | 1M | R13, R14, R33, R38 |
| 1 | Resistor 1/4 Watt 5% | 20K | R18 |
| 4 | Resistor 1/4 Watt 5%(s) | 220K | R7, R3, R16, R21 |
| 2 | Resistor 1/4 Watt 5%(s) | 2M | R31, R35 |
| 1 | Resistor 1/4 Watt 5% | 3.9K | R43 |
| 2 | Resistor 1/4 Watt 5%(s) | 3K | R24, R30 |
| 3 | Resistor 1/4 Watt 5%(s) | 4.7K | R25, R37, R34 |
| 1 | Resistor 1/4 Watt 5% | 4.7M | R36 |
| 4 | Resistor 1/4 Watt 5%(s) | 47K | R40, R12, R8, R4 |
| 1 | Resistor 1/4 Watt 5% | 6.2K | R23 |
| 4 | Resistor 1/4 Watt 5%(s) | 680K | R2, R6, R15, R22 |
| 1 | 12 Pole Rotary Switch (non-shorting) | SP12T | S9 |
| 1 | 1P4T Selector Switch | SP4T | S25 |
| 1 | DPDT Switch | DPDT | S12 |
| 4 | SPST PB Switch(s) | SPST | S1, S2, S3, S4 |
| 16 | SPDT Switch (used to accomodate the gate diode and LED wiring) | SPDT | S5, S7, S10, S13, S17, S19, S21, S23, S6, S8, S11, S14, S18, S20, S22, S24 |
analog Board:
| Qty. | Description | Value | Designators |
|---|---|---|---|
| 1 | CD4067 Analog Mux/DeMux | CD4067 | U2 |
| 1 | TL082 Dual Op Amp | TL082 | U3 |
| 1 | TL084 Quad Op Amp | TL084 | U1 |
| 1 | LM336 2.5V Ref. | LM336-2.5V | VS1 |
| 32 | Linear Potentiometer(s) (don't forget to buy knobs) | 100K (up to 500K will work fine.) | R11, R19, R32, R38, R46, R54, R63, R69, R4, R8, R18, R35, R44, R53, R62, R13, R22, R40, R34, R48, R57, R71, R66, R7, R15, R30, R24, R42, R50, R67, R59, R28 |
| 1 | Linear Potentiometer | 1M | R51 |
| 18 | Resistor 1/4 Watt 1%(s) | 100K | R10, R31, R45, R17, R36, R12, R33, R47, R65, R6, R41, R58, R5, R52, R23, R64, R26, R73 |
| 3 | Resistor 1/4 Watt 1%(s) | 10K | R74, R72, R1 |
| 1 | Resistor 1/4 Watt 1% | 200K | R25 |
| 1 | Resistor 1/4 Watt 1% | 22 ohms | R75 |
| 16 | Resistor 1/4 Watt 1%(s) | 2M | R27, R20, R37, R68, R21, R39, R70, R14, R29, R49, R9, R60, R55, R61, R56, R43 |
| 2 | Resistor 1/4 Watt 1%(s) | 47K | R3, R2 |
| 2 | Ceramic Capacitor(s) | 0.1uF | C4, C1 |
| 2 | Ceramic Capacitor(s) | 470pF | C6, C5 |
| 2 | Electrolytic Capacitor(s) | 100uF | C3, C2 |
Technical Docs:
http://www.musicfromouterspace.com/xxx
Technical Docs from Mfos |
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