QuantizerBack
About the QuantizerBack PCB
QuantizerBack is an open source AVR/Arduino PCB design by BenRufenacht, published on GitHub. It is a 2-layer board measuring 170 × 95 mm, with 130 components from 42 distinct parts.
Its main chip is the ATmega328P-P, from the AVR/Arduino family. Other key parts include the TL074, TL072, L78L05_TO92 and LP2951-5.0_DIP. By type, the board carries 58 resistors, 35 capacitors, 14 connectors, 6 ICs, 5 diodes and 2 transistors.
From the project
Kassutronics Quantizer in Kosmo Format
Status: Oct 2023 Updated Back PCB to fix potential shorting issue with the Trigger input jacks and fixed a connection error that prevented free running mode from working. These updates to the back pcb are untested.
Main components on the QuantizerBack
QuantizerBack bill of materials (BOM)
130 components, 42 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | ATmega328P-P | DIP-28_W7.62mm | U1 |
| 2 | TL074 | DIP-14_W7.62mm_Socket_LongPads | U6, U7 |
| 1 | TL072 | DIP-8_W7.62mm_Socket_LongPads | U8 |
| 1 | L78L05_TO92 | TO-92_Inline | U9 |
| 1 | LP2951-5.0_DIP | DIP-8_W7.62mm | U10 |
| 2 | 2N3904 | TO-92_Inline_Wide | Q1, Q2 |
| 1 | 16MHz | Crystal_HC49-U_Vertical | Y1 |
| 1 | Conn_02x03_Odd_Even | PinHeader_2x03_P2.54mm_Vertical | J1 |
| 1 | Conn_01x06 | PinHeader_1x06_P2.54mm_Vertical | J2 |
| 1 | Synth_power_2x5_passive | Power_Header | J3 |
| 1 | TRIGA | Jack_6.35mm_PJ_629HAN | J5 |
| 1 | GATEA | Jack_6.35mm_PJ_629HAN | J6 |
| 1 | INA | Jack_6.35mm_PJ_629HAN | J7 |
| 1 | OUTA | Jack_6.35mm_PJ_629HAN | J8 |
| 1 | TRIGB | Jack_6.35mm_PJ_629HAN | J9 |
| 1 | GATEB | Jack_6.35mm_PJ_629HAN | J10 |
| 1 | INB | Jack_6.35mm_PJ_629HAN | J11 |
| 1 | OUTB | Jack_6.35mm_PJ_629HAN | J12 |
| 1 | CVA | Jack_6.35mm_PJ_629HAN | J13 |
| 1 | CVB | Jack_6.35mm_PJ_629HAN | J14 |
Show 22 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | Conn_01x07_Male | PinHeader_1x07_P2.54mm_Vertical | J17 |
| 4 | Mounting_Hole | Kosmo_Panel_Mounting_Hole | H1, H2, H3, H4 |
| 2 | 10k | Potentiometer_Bourns_3296W_Vertical_standard | RV1, RV2 |
| 1 | 5k | Potentiometer_Bourns_3296W_Vertical_standard | RV3 |
| 1 | LED_GATEA | LED_D5.0mm | D1 |
| 3 | 1N4148 | D_DO-35_SOD27_P7.62mm_Horizontal | D2, D4, D5 |
| 1 | LED_GATEB | LED_D5.0mm | D3 |
| 2 | 10R | L_Axial_L5.0mm_D3.6mm_P10.00mm_Horizontal_Murata_BL01RN1A2A2 | L1, L2 |
| 11 | 100n | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C1, C2, C5, C10, C11, C16, C17, C22 +3 |
| 2 | 22p | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C3, C4 |
| 4 | 470p | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C12, C13, C14, C15 |
| 4 | 47p | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C18, C19, C20, C21 |
| 4 | 10u | CP_Radial_D6.3mm_P2.50mm | C24, C25, C31, C39 |
| 6 | 1n | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C26, C27, C32, C33, C36, C37 |
| 4 | 220p | C_Rect_L7.2mm_W2.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C28, C29, C34, C35 |
| 11 | 1k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R4, R5, R69, R70, R79 +3 |
| 23 | 10k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6, R7, R8, R45, R46, R47, R48, R53 +15 |
| 10 | 100k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R41, R42, R43, R44, R49, R50, R51, R52 +2 |
| 7 | 15k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R61, R62, R71, R72, R73, R74, R86 |
| 4 | 68k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R63, R64, R75, R76 |
| 2 | 1M | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R67, R68 |
| 1 | 47k | R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R85 |
QuantizerBack design files
The KiCad project lives in the BenRufenacht/KosmoKassutronicsQuantizer repository on GitHub; these links point at the commit this page was built from.
QuantizerBack: common questions
What microcontroller does the QuantizerBack use?
The QuantizerBack is built around the ATmega328P-P, from the AVR/Arduino family.
How big is the QuantizerBack PCB?
The QuantizerBack measures 170 × 95 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the QuantizerBack?
130 components, from 42 distinct parts. The full bill of materials is listed on this page.
Where can I download the QuantizerBack design files?
From the BenRufenacht/KosmoKassutronicsQuantizer repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the QuantizerBack design in my own project?
The repository has no license, so all rights stay with BenRufenacht. Use it as a reference, and ask the author before reusing the design.
Can I test firmware for the QuantizerBack without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug AVR/Arduino firmware against it before you order a PCB.
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