Zx multisound
UzixLS·zx-multisound·pcb/rev.A2/zx-multisound.kicad_pcb
About the Zx multisound PCB
Zx multisound is an open source PCB design by UzixLS, published on GitHub under the MIT license. It is a 2-layer board measuring 170 × 64 mm, with 173 components from 33 distinct parts.
Other key parts include the LM358D, AS6C4008-55SIN, YM2203, Z84C0020FEC and YM3014B. By type, the board carries 85 capacitors, 60 resistors, 22 ICs, 4 connectors, 1 crystal and 1 switch.
It belongs with the test & measurement and audio designs in this gallery.
From the project
ZX Spectrum soundcard for NEMOBUS/ZXBUS

Main components on the Zx multisound
Zx multisound bill of materials (BOM)
173 components, 33 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 3 | LM358D | SOIC-8_3.9x4.9mm_P1.27mm | U1, U2, U7 |
| 2 | AS6C4008-55SIN | SSOP-32_11.305x20.495mm_P1.27mm | U3, U9 |
| 2 | YM2203 | DIP-40_W15.24mm_Socket | U4, U10 |
| 1 | Z84C0020FEC | TQFP-44_14x14mm_P0.8mm | U5 |
| 2 | YM3014B | DIP-8_W7.62mm_Socket | U6, U12 |
| 1 | EPM3256ATC144 | TQFP-144_20x20mm_P0.5mm | U8 |
| 1 | 27C512 | PLCC-32_11.4x14.0mm_P1.27mm-longpads | U11 |
| 1 | SAM2695 | QFN-48-1EP_6x6mm_P0.4mm_EP4.2x4.2mm | U13 |
| 1 | 74HCT245D | SOIC-20W_7.5x12.8mm_P1.27mm | U14 |
| 2 | 1117-3.3 | SOT-223-3_TabPin2 | U15, U19 |
| 3 | 78M05 | TO-252-2 | U16, U17, U18 |
| 1 | SAA1099 | DIP-18_W7.62mm_Socket | U20 |
| 2 | 74AHCT1G125DB | SOT-23-5_HandSoldering | U21, U23 |
| 1 | 32MHz | Oscillator_SMD_7050_7.0x5.0mm | X1 |
| 1 | PJ307 | PJ-307 | J1 |
| 2 | Conn_01x04 | PinHeader_1x04_P2.54mm_Vertical | J2, J3 |
| 1 | Conn_02x05_Odd_Even | PinHeader_2x05_P2.54mm_Vertical | J5 |
| 1 | SW_DIP_x05 | SW_DIP_SPSTx05_Slide_6.7x14.26mm_W7.62mm_P2.54mm_LowProfile | SW1 |
| 22 | 10u | CP_Elec_4x5.4 | C1, C2, C3, C5, C6, C7, C8, C9 +14 |
| 39 | 100n | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C4, C15, C24, C25, C28, C48, C49, C50 +31 |
Show 13 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | 2.2n | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C20, C27 |
| 7 | 10u | C_1206_3216Metric_Pad1.33x1.80mm_HandSolder | C26, C29, C33, C35, C37, C39, C41 |
| 8 | 10n | C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C30, C31, C32, C43, C44, C45, C46, C47 |
| 2 | 22u | CP_EIA-3216-18_Kemet-A_Pad1.58x1.35mm_HandSolder | C34, C42 |
| 3 | 100u/10V | CP_EIA-6032-28_Kemet-C_Pad2.25x2.35mm_HandSolder | C36, C38, C40 |
| 2 | 100u/16V | CP_Elec_6.3x7.7 | C75, C76 |
| 6 | 24k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R1, R13, R14, R28, R29, R34 |
| 21 | 10k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R2, R4, R15, R18, R20, R21, R24, R25 +13 |
| 14 | 47k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R5, R6, R7, R12, R16, R17, R19, R26 +6 |
| 6 | 3.3k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R8, R9, R10, R35, R36, R37 |
| 1 | 27k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R11 |
| 10 | 1k | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R22, R39, R43, R44, R45, R46, R47, R48 +2 |
| 2 | 470 | R_0805_2012Metric_Pad1.20x1.40mm_HandSolder | R23, R40 |
Zx multisound design files
The KiCad project lives in the UzixLS/zx-multisound repository on GitHub; these links point at the commit this page was built from.
Zx multisound: common questions
How big is the Zx multisound PCB?
The Zx multisound measures 170 × 64 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Zx multisound?
173 components, from 33 distinct parts. The full bill of materials is listed on this page.
Where can I download the Zx multisound design files?
From the UzixLS/zx-multisound repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.
Can I use the Zx multisound design in my own project?
Yes, under the terms of its MIT license, which UzixLS chose for the repository.
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