4 layers125 × 50.1 mm
2 layers65 × 60 mm
D lev afe
wormyrocks/d-lev-mini- Size
- 65 × 60 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 34
- Nets
- 26
- Pads
- 94
- Tracks, vias
- 88, 9
- Pours
- 5
- Routed
- Yes
- KiCad
- KiCad 7 (file 20221018)
- Created
- 11 Feb 2023
- Updated
- 17 Oct 2023
Overview
D lev afe is an open-source printed circuit board by wormyrocks, from the wormyrocks/d-lev-mini repository on GitHub. It is a 2-layer board of 65 × 60 mm with 34 parts on 26 nets, routed with 88 tracks and 9 vias.
It is built around the 74AHC04D, SRV05-4L-TP and CL21A106KAYNNNG, with the MMBT3904, MMBT3906 and S8B-PH-SM4-TB among its other parts. Its parts include 11 capacitors, 7 resistors, 3 ICs, 2 transistors and 1 connector.
Main components
6
74AHC04D
SOIC-14-40℃~+125℃ 1 1.5V~3.85V 1.9V、2.9V、4.4V 2V~5.5V 2uA 500mV~1.65V 6 7.5ns@5V,50pF 74AHC 8mA 8mA SOIC-14 Inverters ROHSNexperiaInverters
SRV05-4L-TP
SOT-23-6L-55℃~+150℃ 1.5pF 12A@8/20us 17.5V 1uA 350W@8/20us 5V 9V ESD Four channels IEC 61000-4-2、IEC 61000-4-4 SOT-23-6L ESD and Surge Protection (TVS/ESD) ROHSMicro Commercial ComponentsESD And Surge Protection (TVS/ESD)
CL21A106KAYNNNG
080510uF 25V X5R ±10% 0805 Multilayer Ceramic Capacitors MLCC - SMD/SMT ROHSSamsung Electro-MechanicsMultilayer Ceramic Capacitors MLCC - SMD/SMT
MMBT3904
SOT-23-55℃~+150℃ 1 NPN 100 100nA 200mA 200mW 300MHz 300mV 40V 6V NPN SOT-23 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)MMBT3906
SOT-23-55℃~+150℃ 1 PNP 100 100nA 200mA 200mW 300MHz 300mV 40V 5V PNP SOT-23 Bipolar (BJT) ROHSTWGMCBipolar (BJT)
S8B-PH-SM4-TB
-Wire To Board ConnectorJST
Parts
34| Qty | Value | Footprint | References |
|---|---|---|---|
| 6 | 100 | Resistor_SMD:R_0603_1608Metric | R1, R3, R4, R5, R7, R8 |
| 4 | MountingHole | MountingHole:MountingHole_3.2mm_M3 | H1, H2, H3, H4 |
| 4 | SolderJumper_2_Open | theremin:SolderJumper-0.5mm-Tiny | JP1, JP2, JP3, JP4 |
| 3 | 100n | Capacitor_SMD:C_0603_1608Metric | C1, C2, C7 |
| 3 | 1pF | theremin:testpoint_cap_1pf | C8, C10, C11 |
| 2 | 10u | Capacitor_SMD:C_0805_2012Metric | C4, C6 |
| 2 | 1u | Capacitor_SMD:C_0603_1608Metric | C3, C5 |
| 1 | 100p | Capacitor_SMD:C_0603_1608Metric | C9 |
| 1 | 1m | theremin:LargeHoneycombCoil | L1 |
| 1 | 220k | Resistor_SMD:R_0603_1608Metric | R6 |
| 1 | 74AHC04 | Package_SO:SOIC-14_3.9x8.7mm_P1.27mm | U1 |
| 1 | HT7833-2 | Package_TO_SOT_SMD:SOT-23-5 | U2 |
| 1 | MMBT3904 | Package_TO_SOT_SMD:SOT-23 | Q1 |
| 1 | MMBT3906 | Package_TO_SOT_SMD:SOT-23 | Q2 |
| 1 | MountingHole_Pad | MountingHole:MountingHole_6.5mm_Pad_TopBottom | H5 |
| 1 | S8B-PH-SM4-TB | theremin:JST_PH_S8B-PH-SM4-TB_1x08-1MP_P2.00mm_Horizontal | J1 |
| 1 | SRV05-4 | Package_TO_SOT_SMD:SOT-23-6 | U3 |
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Questions
How big is the D lev afe PCB?
It measures 65 × 60 mm and has 2 copper layers, 1.6 mm thick.
What parts does the D lev afe use?
34 parts, built around the 74AHC04D, SRV05-4L-TP, CL21A106KAYNNNG and MMBT3904. 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 D lev afe KiCad files?
From the wormyrocks/d-lev-mini repository on GitHub, at the commit this page was made from: the board is d-lev-afe/d-lev-afe.kicad_pcb and its schematic d-lev-afe/d-lev-afe.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the D lev afe design in my own project?
Its repository states no licence, so its author keeps all rights: ask wormyrocks before reusing the design.