2 layers120.1 × 120 mm
Mono amplifier
dario0603/AB-class-amplifier
Design and simulation of a Class-AB audio power amplifier, focusing on output-stage linearity, crossover distortion reduction, and overcurrent protection.
97 parts1
2 layers84.8 × 76.3 mm
LabPS
loowiz/EDA_LabPS1This is a power supply project based on the chinese DIY kit "0-30V 2mA-3A Adjustable DC Regulated Power Supply".
- Size
- 84.8 × 76.3 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 57
- Nets
- 40
- Pads
- 140
- Tracks, vias
- 429, 13
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 7 Jul 2020
- Updated
- 23 Jan 2021
Overview
LabPS is an open-source printed circuit board by loowiz, from the loowiz/EDA_LabPS repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 84.8 × 76.3 mm with 57 parts on 40 nets, routed with 429 tracks and 13 vias.
It is built around the TL081, L7812 and 1N4733A, with the BC548, BC558 and BD139 among its other parts. Its parts include 22 resistors, 12 diodes, 9 capacitors, 5 connectors and 4 ICs. It belongs with the power boards of this library.
Main components
7
TL081
SOP-8-18V~18V -20℃~+85℃ 1 1.8mA 100pA 200nA 20V/us 3MHz 3mV 85dB Built-in compensation SOP-8 Operational Amplifier ROHSGcoreOperational Amplifier
L7812
TO-220ST0℃~+125℃@(Tj) 1 1.2A 12V 2V@(1A) 30V 71dB@(120Hz) 76uV Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
1N4733A
DO-41-65℃~+200℃ 10uA@1V 1W 4.845V~5.355V 5.1V 550Ω 7Ω Independent DO-41 Zener Diodes ROHSonsemiZener Diodes
BC548
TO-92TO-92 Bipolar (BJT) ROHSDDFBipolar (BJT)BC558
TO-921 PNP 100mA 100nA 150MHz 30V 500mW 5V 800 90mV、250mV PNP TO-92 Bipolar (BJT) ROHSDDFBipolar (BJT)
BD139
TO-126-65℃~+150℃ 1 NPN 1.5A 10uA 12.5W 500mV 5V 63 80V NPN TO-126 Bipolar (BJT) ROHSSTMicroelectronicsBipolar (BJT)
TIP3055
TO-2471 NPN 15A 2.5MHz 20 3V 60V 6W 700uA 7V NPN TO-247 Bipolar (BJT) ROHSJSMSEMIBipolar (BJT)
README
README.mdEDA_LabPS
This is a power supply project based on the chinese DIY kit "0-30V 2mA-3A Adjustable DC Regulated Power Supply".
You can see the "iBom" page here: https://loowiz.github.io/EDA_LabPS/bom/ibom.html
Parts
57| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R6, R7, R9, R12, R17 |
| 4 | 1N4148 | Diode_THT:D_DO-35_SOD27_P7.62mm_Horizontal | D1, D6, D9, D11 |
| 4 | 1N5408 | Diode_THT:D_DO-201AD_P15.24mm_Horizontal | D2, D3, D4, D5 |
| 3 | TL081 | Package_DIP:DIP-8_W7.62mm | U2, U3, U4 |
| 2 | 100pF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C6, C8 |
| 2 | 1N4733A | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D8, D10 |
| 2 | 1k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R19, R21 |
| 2 | 27k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R13, R15 |
| 2 | 2k2 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5, R14 |
| 2 | 47uF | Capacitor_THT:C_Radial_D5.0mm_H11.0mm_P2.00mm | C1, C3 |
| 2 | 56k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R11, R22 |
| 1 | 0.47R | Resistor_THT:R_Axial_Power_L25.0mm_W9.0mm_P30.48mm | R20 |
| 1 | 100k | Potentiometer_THT:Potentiometer_Bourns_3296Z_Horizontal | RV1 |
| 1 | 100nF | Capacitor_THT:C_Rect_L13.5mm_W5.0mm_P10.00mm_FKS3_FKP3_MKS4 | C5 |
| 1 | 10uF | Capacitor_THT:C_Radial_D5.0mm_H11.0mm_P2.00mm | C9 |
| 1 | 1N4007 | Diode_THT:D_DO-41_SOD81_P10.16mm_Horizontal | D12 |
| 1 | 1k5 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R18 |
| 1 | 220R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R2 |
| 1 | 220nF | Capacitor_THT:C_Rect_L13.5mm_W5.0mm_P10.00mm_FKS3_FKP3_MKS4 | C7 |
| 1 | 24Vac | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J2 |
| 1 | 270k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R16 |
| 1 | 2k2 | Resistor_THT:R_Axial_DIN0614_L14.3mm_D5.7mm_P15.24mm_Horizontal | R3 |
| 1 | 3300uF | Capacitor_THT:C_Radial_D18.0mm_H35.5mm_P7.50mm | C2 |
| 1 | 330pF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P5.00mm | C4 |
| 1 | 33R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R8 |
| 1 | 3k9 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
| 1 | 4k7 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R10 |
| 1 | 82R | Resistor_THT:R_Axial_DIN0309_L9.0mm_D3.2mm_P12.70mm_Horizontal | R1 |
| 1 | BC548 | Package_TO_SOT_THT:TO-92_Inline | Q3 |
| 1 | BC558 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | BD139 | Package_TO_SOT_THT:TO-126-3_Vertical | Q2 |
| 1 | Fan | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | J1 |
| 1 | L7812 | Package_TO_SOT_THT:TO-220-3_Vertical | U1 |
| 1 | LED | LED_THT:LED_D5.0mm | D7 |
| 1 | P1 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | P2 | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J3 |
| 1 | TIP3055 | Package_TO_SOT_THT:TO-218-3_Vertical | Q4 |
| 1 | Vo | TerminalBlock:TerminalBlock_bornier-2_P5.08mm | J5 |
Questions
How big is the LabPS PCB?
It measures 84.8 × 76.3 mm and has 2 copper layers, 1.6 mm thick.
What parts does the LabPS use?
57 parts, built around the TL081, L7812, 1N4733A and BC548. 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 LabPS KiCad files?
From the loowiz/EDA_LabPS repository on GitHub, at the commit this page was made from: the board is LabPS.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the LabPS 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).
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