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Low cost logic analyzer probe for Rigol MSO5000

1 year ago 6412
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Dear friends, good news! The Probe is assembled and checked, works correctly. Checked from the built-in generator at 15MHz (generator limit).

This is a low cost logic analyzer probe for oscilloscope Rigol MSO5000 with fixded CMOS/TTL logic for 3.3/5.0V input levels with full bandwidth (up to 600MHz if it realy happens during research). It can also be connected to other models with an adapter or using a different cable.

All components are accessible on LCSC. You can order board and all components for about $20 (plus shipping) in a couple of clicks.

Of course, you will not get beautiful wires with tags for half of the price of an oscilloscope cost for (fuck them) $400!

Actual version 2.1. Please, check and swith designe to version to 2.1.

Thanks to guys from EEVblog for pinout of the connector!





ID Name Designator Footprint Quantity BOM_Manufacturer Part BOM_Manufacturer BOM_Supplier BOM_Supplier Part
1 100nF C1,C2,C3,C4,C5 0603 5 CC0603KRX7R9BB104 YAGEO LCSC C14663
2 10uF C9,C10 CAP-SMD_L3.2-W1.6-R-RD 2 TAJA106K016RNJ AVX LCSC C7171
3 Power LED1 LED0805-RD 1 D-G080508G1 ARKLED LCSC C107402
4 HDR-IDC-2.54-2X8P P1,P2 IDC-TH_16P-P2.54_C3406 2 IDC Box 2.54mm 16P Straight BOOMELE LCSC C3406
5 IDC Box2X25 2.54MM P3 IDC-TH_50P-P2.54_BOOMELE2X25P 1 IDC Box2X25 2.54MM BOOMELE LCSC C30006
6 100 R0,R1,R2,R3,R4,R5,R6,R7,R8,R9,R10,R11,R12,R13,R14,R15,R16,R18,R100,R101,R102,R103,R104,R105,R106,R107,R108,R109,R110,R111,R112,R113,R114,R115 R0603 34 AC0603FR-07100RL YAGEO LCSC C125923
7 5.1K R17 R0603 1 AC0603FR-075K1L YAGEO LCSC C125891
8 SN65LVDS1DBVRG4 U0,U1,U2,U3,U4,U5,U6,U7,U8,U9,U10,U11,U12,U13,U14,U15 SOT-23-5_L3.0-W1.7-P0.95-LS2.8-BL 16 SN65LVDS1DBVRG4 TI LCSC C50990
9 MC33375ST-3.3T3G U16 SOT-223_L6.7-W3.5-P2.30-BR 1 MC33375ST-3.3T3G ON Semicon LCSC C233213


Filename Download
2020-08-27 15-05-07.JPG
2020-08-27 14-42-46.JPG


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Comments (5)

faeton Reply

Dear friends, good news!
The Probe is assembled and checked, works correctly.
Checked from the built-in generator at 15MHz (generator limit).

faeton Reply

I recommend replacing R17.
I used 100 Om, but the led was very bright, replace to 5.1 kOm.

faeton Reply

New version 2.1

Change LDO from lm1117 to MC33375ST-3.3T3G because the lm1117 has a large drop voltage and does not provide 3.3V power when powered from a 4V oscilloscope power line.

faeton Reply

Board view added.

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