2 layers140 × 75 mm
2 layers110 × 99 mm
Simplified PCB of analog ECG used for educational purposes
- Size
- 110 × 99 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 66
- Nets
- 37
- Pads
- 158
- Tracks, vias
- 280, 10
- Pours
- 2
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 20 Sep 2021
- Updated
- 18 Nov 2021
Overview
ECG is an open-source printed circuit board by Rgarrido-RBN, from the Rgarrido-RBN/ECG repository on GitHub. It is a 2-layer board of 110 × 99 mm with 66 parts on 37 nets, routed with 280 tracks and 10 vias.
It is built around the TL072, L7805 and L7812, with the L7912 among its other parts. Its parts include 25 capacitors, 12 resistors, 8 ICs, 2 diodes and 1 connector.
Main components
4
TL072
SOP-8-18V~18V 0℃~+70℃ 1.4mA 1.5nA 10V/us 10mV 2 2.5nA 3MHz 85dB SOP-8 Operational Amplifier ROHSGcoreOperational Amplifier
L7805
TO-220ST0℃~+125℃@(Tj) 1 1.2A 20V 2V@(1A) 42uV 500uA 5V 73dB@(120Hz) Fixed Positive Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
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
L7912
TO-220ST0℃~+125℃@(Tj) 1 1.2A 12V 200uV 2V@(1A) 35V 3mA 60dB@(120Hz) Fixed Negative Over Voltage Protection、Short Circuit Protection TO-220ST Voltage Regulators - Linear, Low Drop Out (LDO) Regulators ROHSOSENVoltage Regulators - Linear, Low Drop Out (LDO) Regulators
README
README.mdECG
Simplified PCB of analog ECG used for educational purposes
Parts
66| Qty | Value | Footprint | References |
|---|---|---|---|
| 10 | 47u | Capacitor_THT:CP_Radial_D7.5mm_P2.50mm | C5, C7, C9, C10, C11, C12, C104, C106, C110, C112 |
| 10 | R | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R4, R5, R6, R7, R8, R9, R10 |
| 8 | Jumper | Connector_PinHeader_1.27mm:PinHeader_1x02_P1.27mm_Vertical | JP1, JP2, JP3, JP4, JP11, JP22, JP33, JP44 |
| 6 | 100n | Capacitor_THT:C_Rect_L7.2mm_W4.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C6, C8, C103, C105, C109, C111 |
| 6 | C | Capacitor_THT:C_Rect_L7.2mm_W4.5mm_P5.00mm_FKS2_FKP2_MKS2_MKP2 | C1, C2, C3, C4, C101, C107 |
| 3 | CP | Capacitor_THT:CP_Radial_D7.5mm_P2.50mm | C13, C102, C108 |
| 2 | D | Diode_THT:D_DO-15_P15.24mm_Horizontal | D1, D2 |
| 2 | TL071 | Package_DIP:DIP-8_W7.62mm_LongPads | U3, U5 |
| 2 | TL072 | Package_DIP:DIP-8_W7.62mm_LongPads | U1, U2 |
| 1 | AD623 | Package_DIP:DIP-8_W7.62mm_LongPads | U4 |
| 1 | AD623_OUT | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | TP9 |
| 1 | AMPLIFIER IN | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | TP5 |
| 1 | AMPLIFIER OUT | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | TP6 |
| 1 | Conn_01x03_Female | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
| 1 | HighPass IN | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | TP2 |
| 1 | HighPass OUT | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | TP4 |
| 1 | IN + | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | TP8 |
| 1 | IN - | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | TP7 |
| 1 | L7805 | Package_TO_SOT_THT:TO-220-3_Vertical | U8 |
| 1 | L7812 | Package_TO_SOT_THT:TO-220-3_Vertical | U6 |
| 1 | L7912 | Package_TO_SOT_THT:TO-220-3_Vertical | U7 |
| 1 | LowPass IN | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | TP1 |
| 1 | LowPass OUT | Connector_PinHeader_1.27mm:PinHeader_1x01_P1.27mm_Vertical | TP3 |
| 1 | R_POT | Potentiometer_THT:Potentiometer_Piher_PT-6-V_Vertical | RV1 |
| 1 | Rg1 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R11 |
| 1 | Rg2 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R12 |
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Questions
How big is the ECG PCB?
It measures 110 × 99 mm and has 2 copper layers, 1.6 mm thick.
What parts does the ECG use?
66 parts, built around the TL072, L7805, L7812 and L7912. 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 ECG KiCad files?
From the Rgarrido-RBN/ECG repository on GitHub, at the commit this page was made from: the board is ecg.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the ECG design in my own project?
Its repository states no licence, so its author keeps all rights: ask Rgarrido-RBN before reusing the design.