2 layers389 × 136.2 mm
4 layers76.8 × 56.5 mm
misc electronic projects
- Size
- 76.8 × 56.5 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 84
- Nets
- 81
- Pads
- 310
- Tracks, vias
- 485, 86
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 8.0 (file 20240108)
- Created
- 6 Oct 2020
- Updated
- 31 Oct 2026
Overview
Src4392 is an open-source printed circuit board by schenkmi, from the schenkmi/electronic-projects repository on GitHub, published under the CERN-OHL-W-2.0 licence. It is a 4-layer board of 76.8 × 56.5 mm with 84 parts on 81 nets, routed with 485 tracks and 86 vias.
It is built around the PIC16F18446-I/SS, 74LVC1G125 and PL133-37TI-R, with the TLV1117-33DCY, SM4002PL-TP and 1N4148W among its other parts. Its parts include 33 capacitors, 14 resistors, 12 ICs, 8 diodes and 8 connectors. It belongs with the audio and music boards and the PIC boards of this library.
Main components
7
PIC16F18446-I/SS
SSOP-20-208mil-40℃~+125℃ 12bit 18 2.3V~5.5V 256Byte 28KB 2KB 32MHz 5bit 8 Bit Built-in FLASH PIC Power-on reset (POR)、Undervoltage detection (BOR/LVD/LVR/LVI)、Watchdog reset、Software reset、External pin reset (NRST)、Built-in general-purpose timer、Programmable watchdog、Built-in temperature sensor、Window watchdog (WWDG)、Stack overflow reset SSOP-20-208mil Microcontrollers (MCU/MPU/SOC) ROHSMicrochip TechnologyMicrocontrollers (MCU/MPU/SOC)
74LVC1G125
SOT-353SOT-353 Buffers, Drivers, Receivers, Transceivers ROHSWuxi I-core ElecBuffers, Drivers, Receivers, Transceivers
PL133-37TI-R
SOT-23-6-40℃~+85℃ 1 1.62V~3.63V 150MHz 3 SOT-23-6 Clock Buffers, Drivers, Distributors ROHSMicrochip TechnologyClock Buffers, Drivers, DistributorsTLV1117-33DCY
UncategorisedTexas Instruments
SM4002PL-TP
SOD-123FL1 Independent 1.1V@1A 100V 1A 25A 5uA@100V SOD-123FL Diodes - General Purpose ROHSMicro Commercial ComponentsDiodes - General Purpose
1N4148W
SOD-123150mA 1A 1V@50mA 1uA@75V 400mW 4ns 75V Independent SOD-123 Switching Diodes ROHSSTMicroelectronicsSwitching Diodes220UF 10V 5*7
插件,5x7mm1000hrs@105℃ 10V 220uF 2mm 5mm 7mm 插件,5x7mm Aluminum Electrolytic Capacitors - Leaded ROHSLCSCAluminum Electrolytic Capacitors - Leaded
README
README.mdelectronic-projects
misc electronic projects
History
2026.09.19
pre-amp-ECC86/kicad/psu-v6
Large PCB PSU for ECC86 with high side switch. Support LT3080 and LM317. Fix Drain/Source.
2026.09.02
pre-amp-ECC86/kicad/psu-v5
Large PCB PSU for ECC86 with high side switch. Support LT3080 and LM317
2026.08.26
pre-amp-ECC86/kicad/psu-v4
Large PCB PSU for ECC86 without relais. Support LT3080 and LM317
2026.08.23
input-sel-attenuator/software/v9
Power up timer to 64ms wait till voltage is stabilized
2026.08.10
pre-amp-ECC86/kicad/psu-v3
Large PCB PSU for ECC86
2026.08.01
pre-amp-ECC86/kicad/psu-v2
Shrinked and optimized PSU for ECC86
2026.07.22
pre-amp-ECC86/kicad/psu-v1
First version of PSU for ECC86
2026.07.12
pre-amp-ECC86/kicad/v1
First version of ECC86 based pre-amplifier
spdif-recv-ak4118-ak4137/software/spdif-recv-ak4118-ak4137-v4.X
Updated software for V4 PCB
2026.06.05
dac-pcm1702-v1/kicad-psu-v8/
DC/DC for +5V digital path
dac-pcm1702-v1/kicad-asrc-v14
PCB LED fix External LED support
spdif-recv-ak4118-ak4137/kicad/v4
External LED support Change one LDO to TLV1117-3.3 due to power dissipation
2026.05.28
dac-pcm1702-v1/kicad-asrc-v13
PCB re-design with fixed LED ordering
2026.05.27
pre-amp-26A7/ltspice/v2/
New CCS simulation with smaller FETs
2026.05.26
dac-pcm1702-v1/software/spdif-recv-asrc-4392-v12.X
New software for SPDIF ASRC receiver including UART and IR
2026.05.16
dac-pcm1702-v1/kicad-asrc-v12
PSU re-design, UART for debugging, I2C debugging, IR
spdif-recv-ak4118-ak4137/kicad/v3
Add IR support
2026.05.10
spdif-recv-cs8416-ak4137/kicad/v7
Improved power supply, I2S debug, Serial console
spdif-recv-ak4118-ak4137/kicad/v2
Small redesign
2026.04.25
spdif-recv-ak4118-ak4137/kicad/v1
Finalize and ordered
pre-amp-26A7/kicad/v2
Finalize and ordered
2026.03.29
pre-amp-26A7/kicad/v1
Finalize and ordered v1
2026.03.28
lv-psu-dcdc/kicad/fixed-v3
Better thermal management for DC/DC
lv-lownoise-psu/kicad/v7-dcdc-large-cap
Better thermal handling on DC/DC
input-sel-attenuator/kicad/v9-10k-47k
Changed footprint for L1 and C1
2026.03.11
lv-psu-dcdc/kicad/fixed-v2
Eval board with different inductors
hv-psu-discrete/kicad/maida-lt3080-v5
HV PSU with DC/DC for +5V output
2026.03.05
lv-lownoise-psu/kicad/v6-dcdc-large-cap
Finalize v6 with large reservoir cap
2026.02.25
hv-psu-discrete/kicad/maida-lt3080-v5-26A7GT
HV PSU for 26A7 pre-amp
2026.01.13
input-sel-attenuator/software/ir-debug-v3
Update MCC generated code
dac-pcm1792a/software/asrc-pcm1792a-v4.X
Update MCC generated code
dac-pcm1702-v1/software/v8
Update MCC generated code
spdif-recv-cs8416-ak4137/software/spdif-recv-cs8416-ak4137-v5.X
Update MCC generated code
input-sel-attenuator/software/v9
Update MCC generated code
rpi-hat-spdif/kicad/V9
RPI HAT SPDIF Output increase hole diameter to 3.2mm
rpi-hat-spdif/kicad/V9-min
RPI HAT SPDIF Output minized PCB increase hole diameter to 3.2mm
2026.01.01
adapter/spdif/kicad/v2
LVDS SPDIF XMIT with rotated connector
adapter/spdif/kicad/v2b
LVDS SPDIF XMIT with standard connector
rpi-hat-spdif/kicad/V7-min
RPI HAT SPDIF Output minized PCB
rpi-hat-spdif/kicad/V8
RPI HAT SPDIF Output new PCB
2025.12.20
adapter/spdif/kicad/v1
Finalize v1 LVDS SPDIF XMIT
rpi-hat-spdif/kicad/v6
RPI HAT SPDIF Output
rpi-hat-spdif/kicad/v6-min
RPI HAT SPDIF Output minimized
2025.12.08
pre-amp-ECC88/kicad/v9
Finalize and ordered v9
2025.09.29
retro/c64-user-port-led
Finalize v1 of C64 user port LED
2025.09.28
dac-pcm1704/kicad/dac-df1706-pcm1704-v2
Finalize and ordered v2
2025.09.21
dac-pcm1704/kicad/dac-pcm1704-v5
Finalize and ordered v5
dac-pcm1702-v1/kicad-i2s-nos-v7
Finalize and ordered v7
dac-pcm1792a/kicad/v6/
Finalize and ordered v6
2025.09.13
input-sel-attenuator/software/ir-debug-v2
input-sel-attenuator/software/v8
V2.5 2025.09.12 Shiny new push button and saving handling Use volume when doing channel switch.
2025.09.07
lv-lownoise-psu/kicad/v5-dcdc
Finalize and ordered v5
lv-lownoise-psu/kicad/v5-dcdc-large-cap
Finalize and ordered v5 with large reservoir cap
2025.08.25
lt1115-phono-mm-mc/kicad/v6
Finalize and ordered v6
2025.08.23
dac-pcm1702-v1/kicad-psu-v7
Finalize and ordered v7
Parts
84| Qty | Value | Footprint | References |
|---|---|---|---|
| 19 | 100nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C1, C2, C3, C4, C5, C6, C13, C14, C15, C16, C17, C25, C26, C28, C29, C33 +3 |
| 5 | 330R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3, R4, R14, R15 |
| 5 | LED | LED_SMD:LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1, D2, D4, D5, D8 |
| 4 | 10uF | Capacitor_Tantalum_SMD:CP_EIA-2012-12_Kemet-R_Pad1.30x1.05mm_HandSolder | C10, C11, C12, C23 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H1, H2, H3, H4 |
| 3 | 30pF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C30, C31, C32 |
| 3 | 47uH | Inductor_SMD:L_0805_2012Metric_Pad1.05x1.20mm_HandSolder | L1, L2, L3 |
| 3 | 4K99 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R7, R8, R22 |
| 3 | 74LVC1G125 | Package_TO_SOT_SMD:SOT-353_SC-70-5_Handsoldering | U4, U7, U12 |
| 3 | PLR135-T10 | kicad-snk:PLR135-T10_PLT133-T10W | U1, U2, U9 |
| 2 | 100nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C21, C22 |
| 2 | 330nF | Capacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolder | C19, C20 |
| 2 | 4k99 | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R1, R13 |
| 2 | Conn_01x06_Male | Connector_PinHeader_2.54mm:PinHeader_1x06_P2.54mm_Vertical | J1, J3 |
| 2 | SM4002PL-TP | Diode_SMD:D_SOD-123F | D3, D7 |
| 1 | +5VIN | Connector_Pin:Pin_D1.0mm_L10.0mm | J16 |
| 1 | 10nF | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C27 |
| 1 | 10uF/6.3V | Capacitor_Tantalum_SMD:CP_EIA-2012-12_Kemet-R_Pad1.30x1.05mm_HandSolder | C24 |
| 1 | 1N4148W | Diode_SMD:D_SOD-123 | D6 |
| 1 | 1k | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R12 |
| 1 | 1k@100MHz | Capacitor_SMD:C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | FB1 |
| 1 | 220uF/10V | Capacitor_THT:CP_Radial_D6.3mm_P2.50mm | C18 |
| 1 | 24.576MHz | Crystal:Crystal_SMD_3225-4Pin_3.2x2.5mm_HandSoldering | U8 |
| 1 | 33R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R20 |
| 1 | 75R | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R6 |
| 1 | A | kicad-snk:TE_CONN_RCPT_10POS_0.1_TIN_PCB | J15 |
| 1 | COAXGND | Connector_Pin:Pin_D1.0mm_L10.0mm | J8 |
| 1 | COAXIN | Connector_Pin:Pin_D1.0mm_L10.0mm | J5 |
| 1 | GND | Connector_Pin:Pin_D1.0mm_L10.0mm | J17 |
| 1 | Murata_DA103 | kicad-snk:DA100J | T1 |
| 1 | NC | Resistor_SMD:R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R23 |
| 1 | PIC16F18446-I/SS | Package_SO:SSOP-20_5.3x7.2mm_P0.65mm | U5 |
| 1 | PL133-37TI-R | Package_TO_SOT_SMD:SOT-23-6 | U6 |
| 1 | SRC4382/SRC4392 | Package_QFP:TQFP-48_7x7mm_P0.5mm | U3 |
| 1 | TE MicroMatch | Connector_TE-Connectivity:TE_Micro-MaTch_215079-6_2x03_P1.27mm_Vertical | J2 |
| 1 | TLV1117-18 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U11 |
| 1 | TLV1117-33 | Package_TO_SOT_SMD:SOT-223-3_TabPin2 | U10 |
Questions
How big is the Src4392 PCB?
It measures 76.8 × 56.5 mm and has 4 copper layers, 1.6 mm thick.
What parts does the Src4392 use?
84 parts, built around the PIC16F18446-I/SS, 74LVC1G125, PL133-37TI-R and TLV1117-33DCY. 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 Src4392 KiCad files?
From the schenkmi/electronic-projects repository on GitHub, at the commit this page was made from: the board is dac-pcm1702-v1/kicad-asrc-v7/src4392.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the Src4392 design in my own project?
Its repository publishes it under the CERN-OHL-W-2.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).
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