Polykit X1 Monosynth
About the Polykit X1 Monosynth PCB
Polykit X1 Monosynth is an open source PCB design by sinitsinmike, published on GitHub. It is a 2-layer board measuring 200 × 100 mm, with 147 components from 79 distinct parts.
Other key parts include the MC78M12_TO252, MC79M12_TO252, L78L05_SO8, L79L05_SO8 and TL074. By type, the board carries 54 resistors, 29 connectors, 15 diodes, 14 capacitors, 9 ICs and 7 switches.
From the project
This repository contains schematics, PCB layout files and front panel for an analog, semi modular, patchable synthesizer. It is an interface that works in conjunction with my voice card https://github.com/polykit/polykit-x-voice-card
This repository contains schematics, PCB layout files and front panel for an analog, semi modular, patchable synthesizer. It is an interface that works in conjunction with my voice card https://github.com/polykit/polykit-x-voice-card
a VCO with saw, pulse and triangle signal an envelope generator a multimode filter with 8 different filter responses an external input * and a panning stereo output
Main components on the Polykit X1 Monosynth
Polykit X1 Monosynth bill of materials (BOM)
147 components, 79 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | MC78M12_TO252 | TO-252-2 | U1 |
| 1 | MC79M12_TO252 | TO-252-2 | U2 |
| 1 | L78L05_SO8 | SOIC-8_3.9x4.9mm_P1.27mm | U3 |
| 1 | L79L05_SO8 | SOIC-8_3.9x4.9mm_P1.27mm | U4 |
| 4 | TL074 | SO-14_3.9x8.65mm_P1.27mm | U5, U6, U7, U8 |
| 1 | TL072 | SO-8_3.9x4.9mm_P1.27mm | U9 |
| 2 | BC847 | SOT-23 | Q1, Q3 |
| 1 | BC857 | SOT-23 | Q2 |
| 1 | OUT LEFT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J1 |
| 1 | OUT RIGHT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J2 |
| 1 | ADSR_OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J3 |
| 1 | GATE | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J4 |
| 1 | TRIGGER | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J5 |
| 1 | Conn_01x36 | PinSocket_1x36_P2.54mm_Vertical | J6 |
| 1 | 12V AC | BarrelJack_Horizontal | J7 |
| 1 | LFO | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J8 |
| 1 | PAN_CV | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J9 |
| 1 | PWM CV | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J10 |
| 1 | RES CV | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J11 |
| 1 | FREQ CV | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J12 |
Show 59 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | PITCH CV 1V/OCT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J13 |
| 1 | EXT IN | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J14 |
| 1 | VCA CV | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J15 |
| 1 | HARD SYNC | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J16 |
| 1 | SOFT SYNC | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J17 |
| 1 | FM | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J18 |
| 1 | MULT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J19 |
| 1 | WAVE IN | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J20 |
| 1 | ATT IN (+5V) | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J21 |
| 1 | MULT1 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J22 |
| 1 | MULT2 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J23 |
| 1 | ATT OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J24 |
| 1 | MIX IN2 | Pin_D1.0mm_L10.0mm | J25 |
| 1 | MIX IN1 (-5V) | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J26 |
| 1 | MIX IN2 | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J27 |
| 1 | WAVE OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J28 |
| 1 | MIX OUT | Jack_3.5mm_QingPu_WQP-PJ398SM_Vertical_CircularHoles | J29 |
| 1 | B100k LEVEL1 | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV1 |
| 1 | B100k LEVEL2 | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV2 |
| 1 | 10k LFO TRIM | Potentiometer_Bourns_3314J_Vertical | RV3 |
| 1 | B1M LFO RATE | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV4 |
| 1 | B100k LFO WAVE | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV5 |
| 1 | B100k PANNING | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV6 |
| 1 | B100k A | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV7 |
| 1 | B100k D | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV8 |
| 1 | B100k S | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV9 |
| 1 | B100k R | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV10 |
| 1 | B100k RES | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV11 |
| 1 | B100k FREQ | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV12 |
| 1 | B100k PWM | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV13 |
| 1 | B100k TUNE | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV14 |
| 1 | B100k ATT | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV15 |
| 1 | B100k MIX IN1 LEVEL | Potentiometer_Alpha_RD901F-40-00D_Single_Vertical_CircularHoles | RV16 |
| 1 | EXT_ON | switch-spdt | SW1 |
| 1 | FILTER_A | switch-spdt | SW2 |
| 1 | FILTER_B | switch-spdt | SW3 |
| 1 | FILTER_C | switch-spdt | SW4 |
| 1 | RES_MODE | switch-spdt | SW5 |
| 1 | FREQ_MODE | switch-spdt | SW6 |
| 1 | SAW_TRIANGLE | switch-spdt | SW7 |
| 1 | LED | LED_D5.0mm | D1 |
| 2 | US1G | D_SMA | D2, D3 |
| 11 | BAS85 | D_MiniMELF | D4, D6, D7, D8, D9, D10, D11, D12 +3 |
| 1 | Dual LED | LED_D5.0mm | D5 |
| 2 | 1000uF | CP_Elec_10x10 | C1, C2 |
| 2 | 100uF | CP_Elec_6.3x7.7 | C3, C4 |
| 2 | 10uF | CP_Elec_4x5.8 | C5, C6 |
| 2 | 1uF | CP_Elec_4x5.4 | C7, C8 |
| 1 | 2u2 NP | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C9 |
| 5 | 100n | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C10, C11, C12, C13, C14 |
| 5 | 10k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R1, R18, R19, R47, R50 |
| 10 | 1k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R2, R3, R4, R5, R20, R21, R45, R46 +2 |
| 1 | 100 | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R10 |
| 31 | 100k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R11, R12, R13, R15, R22, R23, R24, R25 +23 |
| 1 | 220k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R14 |
| 1 | 15k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R16 |
| 3 | 12k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R17, R48, R49 |
| 1 | 47k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R26 |
| 1 | 470k | R_1206_3216Metric_Pad1.30x1.75mm_HandSolder | R42 |
Polykit X1 Monosynth design files
The KiCad project lives in the sinitsinmike/polykit-x-monosynth repository on GitHub; these links point at the commit this page was built from.
- Layoutpolykit-x-monosynth.kicad_pcb
- Schematicpolykit-x-monosynth.kicad_sch
Polykit X1 Monosynth: common questions
How big is the Polykit X1 Monosynth PCB?
The Polykit X1 Monosynth measures 200 × 100 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Polykit X1 Monosynth?
147 components, from 79 distinct parts. The full bill of materials is listed on this page.
Where can I download the Polykit X1 Monosynth design files?
From the sinitsinmike/polykit-x-monosynth repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Polykit X1 Monosynth design in my own project?
The repository has no license, so all rights stay with sinitsinmike. Use it as a reference, and ask the author before reusing the design.