2 layers233.4 × 280 mm
2 layers80 × 50 mm
FreeDSPx ADAPTER
freeDSP/freeDSP-StdConnectorAdapterAdapter of the old freeDSP Classic connector to the new freeDSP standard connector.
- Size
- 80 × 50 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 89
- Nets
- 44
- Pads
- 232
- Tracks, vias
- 361, 16
- Pours
- 11
- Routed
- Yes
- KiCad
- KiCad 4
- Created
- 10 May 2016
- Updated
- 28 Feb 2017
Overview
FreeDSPx ADAPTER is an open-source printed circuit board by freeDSP, from the freeDSP/freeDSP-StdConnectorAdapter repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 80 × 50 mm with 89 parts on 44 nets, routed with 361 tracks and 16 vias.
It is built around the 74AC14SC, 74AC74M and B140, with the JUMPER3 among its other parts. Its parts include 9 capacitors, 7 resistors, 6 connectors, 3 ICs and 3 diodes. It belongs with the interfaces and adapters boards of this library.
Main components
4
74AC14SC
SOIC-14-40℃~+85℃ 10ns@5V,50pF 2.2V~3.9V 24mA 24mA 2V~6V 2uA 4.76V~5.4V 440mV 500mV~1.1V 6 6 74AC Schmitt trigger SOIC-14 Inverters ROHSonsemiInverters74AC74M
SOIC14Dual D-Type Flip Flop with Preset and ClearSTMicroelectronicsUncategorised
B140
SMA(DO-214AC)-65℃~+150℃ 1 Independent 1A 30A 40V 500mV@1A 500uA@40V SMA(DO-214AC) Schottky Diodes ROHSDiodes IncorporatedSchottky DiodesJUMPER3
HDR-TH_3P-P2.54-L7.6-W2.5HDR-TH-3P-2.54mm New Arrivals ROHSWürth ElektronikUncategorised
README
README.mdfreeDSPx Adapter
BOARD STATUS: READY TO BE BUILT
MAIN COORDINATOR: ssMMnn
Adapter for the freeDSP Classic. Adapts the old expansion pinheader to I2S standard connectors. Generates masterclock.
License
This work and all other materials under https://github.com/freeDSP are licensed under a Creative Commons Attribution Share-Alike 4.0 license. This allows for both personal and commercial derivative works, as long as they credit freeDSP and release their designs under the same license.
Parts
89| Qty | Value | Footprint | References |
|---|---|---|---|
| 54 | fdsp_drillhole:Via_0.3mm_0.8mm | , , , , , , , , , , , , , , , +38 | |
| 6 | 100n | fdsp_capacitor:C_0805_HandSoldering | C1, C2, C3, C5, C7, C8 |
| 5 | 33 | fdsp_resistor:R_0805_HandSoldering | R3, R4, R5, R6, R7 |
| 4 | STDCONN | fdsp_connector:IDC_Header_Straight_16pins | P3, P4, P5, P6 |
| 2 | 330 | fdsp_capacitor:C_0805_HandSoldering | FB1, FB2 |
| 2 | B140 | fdsp_diode:SMA | D2, D3 |
| 2 | JUMPER3 | fdsp_pinheader:Pin_Header_Straight_1x03 | JP2, JP3 |
| 1 | 10u | fdsp_capacitor:C_1206_HandSoldering | C12 |
| 1 | 1k | fdsp_resistor:R_0805_HandSoldering | R1 |
| 1 | 22u | fdsp_capacitor:C_1206_HandSoldering | C6 |
| 1 | 3k3 | fdsp_resistor:R_0805_HandSoldering | R2 |
| 1 | 47u | fdsp_inductor:Choke_SMD_7.3x7.3_HandSoldering | L1 |
| 1 | 4u7 | fdsp_capacitor:C_1206_HandSoldering | C4 |
| 1 | 74AC14 | fdsp_housing:SO14_3.9x8.7mm_Pitch1.27mm | U1 |
| 1 | 74AC74 | fdsp_housing:SO14_3.9x8.7mm_Pitch1.27mm | U3 |
| 1 | CONN_01X02 | fdsp_connector:RIACON101-2 | P1 |
| 1 | CONN_02X11 | fdsp_pinheader:Pin_Header_Straight_2x11 | P2 |
| 1 | Crystal_Oszillator | fdsp_crystal-oscillator:XO91_HandSoldering | X1 |
| 1 | Jumper_NO_Small | fdsp_pinheader:Pin_Header_Straight_1x02 | JP1 |
| 1 | LM284x | fdsp_housing:SOT23-6_1.7x3.0mm_Pitch0.95mm | U2 |
| 1 | P6SMB 27V | fdsp_diode:SMB | D1 |
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Questions
How big is the FreeDSPx ADAPTER PCB?
It measures 80 × 50 mm and has 2 copper layers, 1.6 mm thick.
What parts does the FreeDSPx ADAPTER use?
89 parts, built around the 74AC14SC, 74AC74M, B140 and JUMPER3. 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 FreeDSPx ADAPTER KiCad files?
From the freeDSP/freeDSP-StdConnectorAdapter repository on GitHub, at the commit this page was made from: the board is SOURCES/Kicad/freeDSPx-ADAPTER.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the FreeDSPx ADAPTER design in my own project?
Its repository publishes it under the GPL-3.0 licence: you may reuse it on that licence's terms (keep the author's notice, and for a copyleft licence share your changes alike).