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2 layers83.8 × 44.4 mmMSO5000-Probe, the printed circuit board in 3D

MSO5000 digital probe

Size
83.8 × 44.4 mm
Copper layers
2
Thickness
1.6 mm
Parts
56
Nets
74
Pads
273
Tracks, vias
588, 31
Pours
3
Routed
Yes
KiCad
KiCad 6 (file 20211014)
Created
12 May 2022
Updated
12 May 2022

Overview

MSO5000-Probe is an open-source printed circuit board by hefsoftware, from the hefsoftware/MSO5000-Probe repository on GitHub, published under the GPL-3.0 licence. It is a 2-layer board of 83.8 × 44.4 mm with 56 parts on 74 nets, routed with 588 tracks and 31 vias.

It is built around the SN65LVDS391PW. Its parts include 35 resistors, 7 capacitors, 5 ICs, 3 connectors and 1 diode. It belongs with the sensors and measurement boards of this library.

Main components

1

README

README

MSO5000 digital probe.

The schematic was taken almost verbatim from Faeton's digital-probe-rigol-mso5000 (https://oshwlab.com/f33net/digital-probe-rigol-mso5000). As their work is acknowledged in the original work a special thank goes to people from EEVblog for pinout of the connector.

Changes from Faeton's: The schematic and PCB were drawn with Kicad. The single LVDS buffer SN65LVDS1 was replaced with a 4-line buffer SN65LVDS04. Changed linear regulator to MCP1825ST-3302E/DB which has a different pinout from original (available on Digikey) Inputs order was switched from original (now pin 0 is on the left and pin 15 is on the right) to make routing more "natural" and make the board more compact.

TODO: Add option for switching tab from GND to Vin to make use of original regulator MC33375ST-3.3T3G.

Parts

56
QtyValueFootprintReferences
34100Resistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR1, R2, R10, R11, R12, R13, R14, R15, R16, R17, R18, R19, R20, R21, R22, R23 +18
5100nCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC1, C2, C3, C4, C7
4MountMountingHole:MountingHole_2.7mm_Pad_ViaH1, H2, H3, H4
4SN65LVDS391PWPackage_SO:TSSOP-16_4.4x5mm_P0.65mmU1, U2, U3, U4
210uCapacitor_SMD:C_0805_2012Metric_Pad1.18x1.45mm_HandSolderC5, C6
2Conn_02x08_Odd_EvenConnector_IDC:IDC-Header_2x08_P2.54mm_HorizontalJ2, J3
15.1kResistor_SMD:R_0805_2012Metric_Pad1.20x1.40mm_HandSolderR34
1Conn_02x25_Odd_EvenConnector_IDC:IDC-Header_2x25_P2.54mm_VerticalJ1
1LEDLED_SMD:LED_1206_3216Metric_Pad1.42x1.75mm_HandSolderD1
1MCP1825ST-3302E/DBPackage_TO_SOT_SMD:SOT-223-3_TabPin2U5
1MountTestPoint:TestPoint_THTPad_2.5x2.5mm_Drill1.2mmH5

Questions

How big is the MSO5000-Probe PCB?

It measures 83.8 × 44.4 mm and has 2 copper layers, 1.6 mm thick.

What parts does the MSO5000-Probe use?

56 parts, built around the SN65LVDS391PW. 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 MSO5000-Probe KiCad files?

From the hefsoftware/MSO5000-Probe repository on GitHub, at the commit this page was made from: the board is MSO5000Probe.kicad_pcb and its schematic MSO5000Probe.kicad_sch. PCBKit opens the board in the browser, with nothing to install.

Can I use the MSO5000-Probe 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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