4 layers151.9 × 101.6 mm
SparkPNT GPSDO
sparkfun/SparkFun_GNSSDO
The SparkFun GNSS Disciplined Oscillator (GNSSDO / GNSSDO+) is a precision time and frequency reference based on the Septentrio mosaic-T GNSS receiver.
438 parts6
4 layers165.6 × 125.5 mm
SparkPNT GNSSDO Plus panelized
sparkfun/SparkFun_GNSSDO6The SparkFun GNSS Disciplined Oscillator (GNSSDO / GNSSDO+) is a precision time and frequency reference based on the Septentrio mosaic-T GNSS receiver. It features a disciplined 10MHz TCXO / OCXO oscillator, aluminum enclosure, Ethernet, PTP broadcast, data logging, multiple power options, and supports the Fugro AtomiChron timing service.
- Size
- 165.6 × 125.5 mm
- Copper layers
- 4
- Thickness
- 1.6 mm
- Parts
- 478
- Nets
- 300
- Pads
- 1,272
- Tracks, vias
- 2,540, 880
- Pours
- 11
- Routed
- Yes
- KiCad
- KiCad 9.0 (file 20241229)
- Created
- 16 Jul 2024
- Updated
- 16 Oct 2026
Overview
SparkPNT GNSSDO Plus panelized is an open-source printed circuit board by sparkfun, from the sparkfun/SparkFun_GNSSDO repository on GitHub. It is a 4-layer board of 165.6 × 125.5 mm with 478 parts on 300 nets, routed with 2,540 tracks and 880 vias.
It is built around the 74LVC2T45DC, LMV7219M5 and DMG2305UX, with the BAT60A, PESD0402-05 and DF5A5.6LFU among its other parts. Its parts include 99 capacitors, 93 resistors, 16 diodes, 13 ICs and 8 transistors. It belongs with the radio and wireless boards of this library.
Main components
7
74LVC2T45DC
VSSOP-8-0.5mm-40℃~+125℃ 1 1.2V~5.5V 1.2V~5.5V 2 420Mbps Bidirectional Power-Off Protection Tri-State VSSOP-8-0.5mm Translators, Level Shifters ROHSNexperiaTranslators, Level Shifters
LMV7219M5
SOT-23-5-40℃~+85℃ 1 1.3ns 1.8mA 2.7V~5V 20ns 50nA 6mV 7.5mV 85dB 950nA Push-pull Rail-to-Rail Output SOT-23-5 Comparators ROHSTexas InstrumentsComparators
DMG2305UX
SOT-23-55℃~+150℃ 1 P-Channel 1.7W 190pF 1V 20V 4.1A 52mΩ@4.5V 7.8nC 740pF P-Channel SOT-23 MOSFETs ROHSTECH PUBLICMOSFETs
BAT60A
SOD-323Schottky DiodesSlkor
PESD0402-05
0402-55℃~+125℃ 0.05pF 10nA 40V 5V Bidirectional ESD IEC 61000-4-2 Single-channel 0402 ESD and Surge Protection (TVS/ESD) ROHShongjiachengUncategorised
DF5A5.6LFU
SOT-353150W@8/20us 1uA 20V 5V 6.7V 90pF IEC 61000-4-5 Unidirectional SOT-353 ESD and Surge Protection (TVS/ESD) ROHSLeiditechESD And Surge Protection (TVS/ESD)
DT1042-04SO
SOT-26-55℃~+85℃@(Ta) 0.65pF 500nA 55W 5V 6.2V 6A@8/20us 9V ESD Four channels IEC 61000-4-2、IEC 61000-4-5、IEC 61000-4-4 SOT-26 ESD and Surge Protection (TVS/ESD) ROHSDiodes IncorporatedESD And Surge Protection (TVS/ESD)
README
Hardware/GNSSDO/README.mdSparkPNT GNSSDO Design Files
The files here are the KiCad schematic and PCB design files from SparkFun Electronics.
KiCad can be downloaded here.
Parts
478| Qty | Value | Footprint | References |
|---|---|---|---|
| 41 | 0.1uF | SparkFun-Capacitor:C_0603_1608Metric | C2, C3, C10, C11, C12, C14, C17, C19, C23, C26, C28, C40, C101, C102, C104, C105 +25 |
| 38 | PTH | SparkFun-Connector:1x01_P2.54mm | TP1, TP2, TP10, TP11, TP12, TP13, TP14, TP15, TP16, TP17, TP18, TP19, TP21, TP22, TP23, TP24 +22 |
| 19 | 2.2uF | SparkFun-Capacitor:C_0603_1608Metric | C4, C13, C16, C18, C24, C31, C39, C41, C43, C45, C54, C56, C59, C61, C71, C72 +3 |
| 14 | 1k | SparkFun-Resistor:R_0603_1608Metric | R7, R17, R18, R37, R45, R53, R56, R57, R61, R64, R66, R67, R77, R78 |
| 14 | ~ | SparkFun-Jumper:Jumper_2_NC_Trace | A.1, JP8, JP9, JP10, JP11, JP12, JP13, JP16, JP17, JP18, JP19, JP20, JP21, JP25 |
| 13 | 0 | SparkFun-Resistor:R_0603_1608Metric | R30, R48, R54, R55, R58, R65, R69, R70, R71, R72, R73, R74, R79 |
| 10 | 1.25mm | SparkFun-Connector:TestPoint-1.25mm | TP20, TP30, TP31, TP32, TP42, TP44, TP45, TP46, TP47, TP48 |
| 10 | 10k | SparkFun-Resistor:R_0603_1608Metric | R1, R2, R3, R5, R11, R23, R24, R27, R28, R29 |
| 10 | 10uF | SparkFun-Capacitor:C_0603_1608Metric | C1, C25, C27, C30, C33, C34, C37, C38, C47, C53 |
| 9 | 1.0nF | SparkFun-Capacitor:C_0603_1608Metric | C51, C64, C66, C67, C75, C76, C82, C87, C88 |
| 9 | 1.0uF | SparkFun-Capacitor:C_0603_1608Metric | C7, C8, C20, C21, C22, C58, C77, C89, C90 |
| 8 | 47k | SparkFun-Resistor:R_0603_1608Metric | R49, R80, R82, R83, R85, R86, R88, R89 |
| 8 | 49.9 | SparkFun-Resistor:R_0603_1608Metric | R19, R20, R21, R22, R47, R50, R51, R59 |
| 8 | DMG2305UX | SparkFun-Semiconductor-Standard:SOT23-3 | Q2, Q3, Q4, Q5, Q6, Q7, Q8, Q9 |
| 7 | 100k | SparkFun-Resistor:R_0603_1608Metric | R16, R41, R43, R44, R52, R68, R75 |
| 7 | 2.2k | SparkFun-Resistor:R_0603_1608Metric | R4, R6, R8, R31, R32, R60, R62 |
| 6 | 100 | SparkFun-Resistor:R_0603_1608Metric | R92, R93, R94, R95, R96, R97 |
| 6 | 470 | SparkFun-Resistor:R_0603_1608Metric | R12, R13, R38, R39, R40, R42 |
| 6 | Measure | SparkFun-Jumper:Jumper_2_PTH_SMD_Combo-NC | JP2, JP3, JP4, JP5, JP6, JP14 |
| 5 | 200k | SparkFun-Resistor:R_0603_1608Metric | R46, R63, R81, R84, R87 |
| 5 | 74LVC2T45DC | SparkFun-Semiconductor-Standard:VSSOP8_SOT765-1 | U8, U9, U10, U12, U14 |
| 4 | Fiducial_1mm_Mask3mm | , , , | |
| 4 | 100uF | SparkFun-Capacitor:Panasonic_D | C6, C32, C36, C65 |
| 4 | 5.1k | SparkFun-Resistor:R_0603_1608Metric | R9, R10, R14, R15 |
| 4 | BAT60A | SparkFun-Semiconductor-Standard:SOD-323 | D4, D5, D9, D10 |
| 4 | Fiducial_0.5mm | SparkFun-Aesthetic:Fiducial_0.5mm_Mask1mm | FID1, FID2, FID3, FID4 |
| 4 | G*** | kibuzzard-65A7F440 | kibuzzard-65A7F440, kibuzzard-65A7F440, kibuzzard-65A7F440, kibuzzard-65A7F440 |
| 4 | LMV7219M5 | SparkFun-Semiconductor-Standard:SOT23-5 | U17, U20, U23, U24 |
| 4 | PESD0402 | SparkFun-Capacitor:C_0402_1005Metric | D1, D15, D16, D17 |
| 4 | SMA_Edge | SparkFun-Connector:SMA_Edge_6.3mm | J1, J3, J8, J10 |
| 4 | Standoff | SparkFun-Hardware:Standoff | ST1, ST2, ST3, ST4 |
| 4 | ~ | SparkFun-Jumper:Jumper_2_NO | B.1, C.1, D.1, JP15 |
| 3 | 4.7k | SparkFun-Resistor:R_0603_1608Metric | R33, R34, R35 |
| 3 | DF5A5.6LFU | SparkFun-Semiconductor-Standard:SOT-353 | D7, D13, D14 |
| 3 | DT1042-04SO | SparkFun-Semiconductor-Standard:SOT23-6 | D2, D3, D6 |
| 3 | PTH_RA_h7.5mm | SparkFun-Switch:Push_PTH_RA_8-020_h7.5mm | SW1, SW2, SW3 |
| 3 | ~ | SparkFun-Jumper:Jumper_3_NC-2_Trace | JP22, JP23, JP24 |
| 2 | Fiducial_1.5mm_Mask3mm | , | |
| 2 | 10nF | SparkFun-Capacitor:C_0603_1608Metric | C94, C103 |
| 2 | 13k | SparkFun-Resistor:R_0603_1608Metric | R25, R26 |
| 2 | 4.7uF | SparkFun-Capacitor:C_0603_1608Metric | C99, C100 |
| 2 | 470 Ohm | SparkFun-Capacitor:C_0603_1608Metric | L1, L2 |
| 2 | 6.8uH | SparkFun-Coil:Inductor_7.3x6.6mm | L3, L4 |
| 2 | 6V/2.0A/4.0A | SparkFun-Fuse:1210 | F1, F2 |
| 2 | AP7361C-3.3V | SparkFun-Semiconductor-Standard:DFN-8_3x3mm_P0.65mm_EP2.25x1.5mm | U5, U11 |
| 2 | CBI_LED_3mm_YGR | SparkFun-LED:CBI_LED_Triple_3mm_PTH | D11, D12 |
| 2 | G*** | kibuzzard-66A12010 | kibuzzard-66A12010, kibuzzard-66A12010 |
| 2 | G*** | kibuzzard-66A12184 | kibuzzard-66A12184, kibuzzard-66A12184 |
| 2 | G*** | kibuzzard-66A1201E | kibuzzard-66A1201E, kibuzzard-66A1201E |
| 2 | G*** | kibuzzard-66A11F21 | kibuzzard-66A11F21, kibuzzard-66A11F21 |
| 2 | G*** | kibuzzard-66A12027 | kibuzzard-66A12027, kibuzzard-66A12027 |
| 2 | G*** | kibuzzard-66A11E61 | kibuzzard-66A11E61, kibuzzard-66A11E61 |
| 2 | G*** | kibuzzard-66A1223B | kibuzzard-66A1223B, kibuzzard-66A1223B |
| 2 | G*** | kibuzzard-65A7F511 | kibuzzard-65A7F511, kibuzzard-65A7F511 |
| 2 | G*** | kibuzzard-66A12273 | kibuzzard-66A12273, kibuzzard-66A12273 |
| 2 | G*** | kibuzzard-67815483 | kibuzzard-67815483, kibuzzard-67815483 |
| 2 | G*** | kibuzzard-66A11E7B | kibuzzard-66A11E7B, kibuzzard-66A11E7B |
| 2 | G*** | kibuzzard-66A12372 | kibuzzard-66A12372, kibuzzard-66A12372 |
| 2 | G*** | kibuzzard-66A121D2 | kibuzzard-66A121D2, kibuzzard-66A121D2 |
| 2 | G*** | kibuzzard-66A12315 | kibuzzard-66A12315, kibuzzard-66A12315 |
| 2 | G*** | kibuzzard-66A11F39 | kibuzzard-66A11F39, kibuzzard-66A11F39 |
| 2 | G*** | kibuzzard-66A12248 | kibuzzard-66A12248, kibuzzard-66A12248 |
| 2 | G*** | kibuzzard-67810443 | kibuzzard-67810443, kibuzzard-67810443 |
| 2 | G*** | kibuzzard-66A12334 | kibuzzard-66A12334, kibuzzard-66A12334 |
| 2 | G*** | kibuzzard-65A7F548 | kibuzzard-65A7F548, kibuzzard-65A7F548 |
| 2 | G*** | kibuzzard-66A12197 | kibuzzard-66A12197, kibuzzard-66A12197 |
| 2 | G*** | kibuzzard-66A11EB6 | kibuzzard-66A11EB6, kibuzzard-66A11EB6 |
| 2 | G*** | kibuzzard-66A12034 | kibuzzard-66A12034, kibuzzard-66A12034 |
| 2 | G*** | kibuzzard-66A122D2 | kibuzzard-66A122D2, kibuzzard-66A122D2 |
| 2 | G*** | kibuzzard-66A122A4 | kibuzzard-66A122A4, kibuzzard-66A122A4 |
| 2 | G*** | kibuzzard-65A7F771 | kibuzzard-65A7F771, kibuzzard-65A7F771 |
| 2 | G*** | kibuzzard-66A121BE | kibuzzard-66A121BE, kibuzzard-66A121BE |
| 2 | G*** | kibuzzard-66A11FEE | kibuzzard-66A11FEE, kibuzzard-66A11FEE |
| 2 | G*** | kibuzzard-66A12259 | kibuzzard-66A12259, kibuzzard-66A12259 |
| 2 | G*** | kibuzzard-67810522 | kibuzzard-67810522, kibuzzard-67810522 |
| 2 | LTC4418 | SparkFun-Semiconductor-Standard:QFN-20-1EP_4x4mm_P0.5mm_EP2.45x2.45mm | U26, U27 |
| 2 | USB_C_Receptacle | SparkFun-Connector:USB-C_16 | J2, J4 |
| 1 | 1.0nF | SparkFun-Capacitor:C_1206_3216Metric | C9 |
| 1 | 100pF | SparkFun-Capacitor:C_0603_1608Metric | C15 |
| 1 | 22uF | SparkFun-Capacitor:C_0603_1608Metric | C29 |
The 395 most common of 478 parts.
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Questions
How big is the SparkPNT GNSSDO Plus panelized PCB?
It measures 165.6 × 125.5 mm and has 4 copper layers, 1.6 mm thick.
What parts does the SparkPNT GNSSDO Plus panelized use?
478 parts, built around the 74LVC2T45DC, LMV7219M5, DMG2305UX and BAT60A. 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 SparkPNT GNSSDO Plus panelized KiCad files?
From the sparkfun/SparkFun_GNSSDO repository on GitHub, at the commit this page was made from: the board is Hardware/GNSSDO_Plus/Production/SparkPNT_GNSSDO_Plus_panelized.kicad_pcb and its schematic Hardware/GNSSDO/Ethernet.kicad_sch. PCBKit opens the board in the browser, with nothing to install.
Can I use the SparkPNT GNSSDO Plus panelized design in my own project?
Its repository states no licence, so its author keeps all rights: ask sparkfun before reusing the design.