High voltage differential low freq probe

9 months ago

Profile:High voltage differential low freq probe

Open source license: Public Domain

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Description

Attention! I strongly recommend coating the board with varnish after assembly and using it only in a dielectric case.

 

  • High voltage: 400V RMS
  • Low freq: <100kHz
  • Attenuation: 100:1
  • Impendance: 480kOm
  • Input selector: triangle\star\isolated  differential
  • Fuse: 0.25A

BOM

ID Name Designator Footprint Quantity
1 SMBJ9.0CA-13-F D1,D2,D3 SMB_L4.6-W3.6-LS5.3-BI 3
2 0.25A F1,F2,F3 FUSE-HOLDER- C268208 3
3 240k R1,R2,R3,R4,R5,R6 R2512 6
4 4.7K R7,R9,R11 R0805 3
5 100 R8,R10,R12 R0805 3
6 DOSIN-801-0080 RF1,RF2,RF3 BNC-TH_DOSIN-801-0080 3
7 MTS303 SW1 MTS303 1
8 ZMPT107-1 T1,T2,T3 XFMR-TH_ZMPT107-1 3
9 Banana_Connector_C99100_VM U1,U3,U5 BANANA_CONNECTOR_C99100 3
10 BANANA_CONNECTOR_C106271_PT U2,U4,U6 BANANA_CONNECTOR_C106271 3

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