Voltage Measurement
AssemblyHigh-input-impedance differential amplifier measures potential between ground electrodes; synchronous detection rejects 50/60 Hz mains noise. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Voltage Measurement parts and their functions
4 top-level parts · 4 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | High-Impedance Buffer | 1× | 10 MΩ input impedance buffer |
| 2 | Lock-In Demodulator | 1× | Lock-in detector at test frequency |
| 3 | 16-Bit ADC | 1× | 16-bit ADC for voltage digitization |
| 4 | Low-Pass Filter | 1× | Post-detection low-pass filter |
3D model
No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).
Build & assembly graph
expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly
shared across products
atomic part
related product
Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.
Bill of materials for Voltage Measurement
4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | High-Impedance Buffer | earth-ground-tester-input-amplifier | 1× | 1 | · | part |
| 2 | Lock-In Demodulator | earth-ground-tester-synchronous-demod | 1× | 1 | · | part |
| 3 | 16-Bit ADC | earth-ground-tester-adc-voltage | 1× | 1 | · | part |
| 4 | Low-Pass Filter | earth-ground-tester-filter-lpf | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the voltage measurement is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |