2 layers189.2 × 72.4 mm
2 layers160 × 74.9 mm
GPSDO
szigix/YATPGPSDO15Yet Another TruePosition GPSDO
- Size
- 160 × 74.9 mm
- Copper layers
- 2
- Thickness
- 1.6 mm
- Parts
- 38
- Nets
- 52
- Pads
- 140
- Tracks, vias
- 262, 3
- Routed
- Yes
- KiCad
- KiCad 5 (file 20171130)
- Created
- 20 Feb 2021
- Updated
- 4 Jun 2022
Overview
GPSDO is an open-source printed circuit board by szigix, from the szigix/YATPGPSDO repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 160 × 74.9 mm with 38 parts on 52 nets, routed with 262 tracks and 3 vias.
It is built around the L7805 and BC237. Its parts include 8 capacitors, 6 resistors, 5 diodes, 5 connectors and 2 ICs.
Main components
2
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
BC237
TO-92-55℃~+150℃ 1 NPN 150MHz 15nA 350mW 45V 5A 6V 800mV 90 NPN TO-92 Bipolar (BJT) ROHSJiangsu Changjing Electronics Technology (CJ)Bipolar (BJT)
README
hardware/README.mdYATPGPSDO hardware
Hardware design files for Yet Another TruePosition GPSDO EDA software: KiCAD
Parts
38| Qty | Value | Footprint | References |
|---|---|---|---|
| 5 | MountingHole | MountingHole:MountingHole_3.2mm_M3_Pad | H1, H2, H3, H5, H6 |
| 4 | 100n | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C3, C4, C5, C6 |
| 4 | 1k5 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R1, R2, R3, R6 |
| 2 | LED green | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | D1, D4 |
| 1 | 100nF | Capacitor_THT:C_Disc_D5.0mm_W2.5mm_P2.50mm | C1 |
| 1 | 10k | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R4 |
| 1 | 10k lin | Potentiometer_THT:Potentiometer_ACP_CA9-H2,5_Horizontal | RV1 |
| 1 | 220 | Resistor_THT:R_Axial_DIN0207_L6.3mm_D2.5mm_P10.16mm_Horizontal | R5 |
| 1 | 2200uF/35V | Capacitor_THT:CP_Radial_D16.0mm_P7.50mm | C2 |
| 1 | 230V/12V 16VA | Cutom-modules:Transforme_Gerth_Bv_54112 | T1 |
| 1 | 4,7uF/25V | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C7 |
| 1 | 4.7uF/25V | Capacitor_THT:CP_Radial_D5.0mm_P2.00mm | C8 |
| 1 | B250C1500G | Diode_THT:Diode_Bridge_Round_D9.8mm | D5 |
| 1 | BC237 | Package_TO_SOT_THT:TO-92_Inline | Q1 |
| 1 | BluePill_1 | Cutom-modules:STM32-BluePill | BP1 |
| 1 | Display | Connector_PinHeader_2.54mm:PinHeader_1x09_P2.54mm_Vertical | J5 |
| 1 | GPSDO | Connector_PinHeader_2.54mm:PinHeader_1x04_P2.54mm_Vertical | J3 |
| 1 | GPSDO Power | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J4 |
| 1 | L7805 | Package_TO_SOT_THT:TO-220-3_Vertical | U1 |
| 1 | LED red | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | D3 |
| 1 | LED yellow | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | D2 |
| 1 | LM7810_TO220 | Package_TO_SOT_THT:TO-220-3_Vertical | U2 |
| 1 | MountingHole_Pad | MountingHole:MountingHole_3.2mm_M3_Pad_Via | H4 |
| 1 | Power 230V | Connector_Wire:SolderWire-1.5sqmm_1x03_P6mm_D1.7mm_OD3mm | J2 |
| 1 | SW_Mode | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | SW1 |
| 1 | SW_Sel | Connector_PinHeader_2.54mm:PinHeader_1x02_P2.54mm_Vertical | SW2 |
| 1 | SerialPort | Connector_PinHeader_2.54mm:PinHeader_1x03_P2.54mm_Vertical | J1 |
Questions
How big is the GPSDO PCB?
It measures 160 × 74.9 mm and has 2 copper layers, 1.6 mm thick.
What parts does the GPSDO use?
38 parts, built around the L7805 and BC237. 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 GPSDO KiCad files?
From the szigix/YATPGPSDO repository on GitHub, at the commit this page was made from: the board is hardware/GPSDO.kicad_pcb. PCBKit opens the board in the browser, with nothing to install.
Can I use the GPSDO 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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