Measurement Circuitry
AssemblyADC converter and measurement amplifiers quantizing input signals. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Measurement Circuitry parts and their functions
4 top-level parts · 4 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | ADC Converter Chip | 1× | 3.5-digit LCD driver with integrated 4-20 mA converter, 200 mV full scale. |
| 2 | Input Preamplifier | 1× | Precision op-amp providing gain and buffering for high-impedance voltage measurement. |
| 3 | Ohms Measurement Stage | 1× | Constant-current source and transimpedance amplifier for resistance measurement. |
| 4 | Voltage Reference | 1× | 1.2 V bandgap reference providing ADC accuracy ±0.5%. |
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Bill of materials for Measurement Circuitry
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 | ADC Converter Chip | digital-multimeter-adc-ic | 1× | 1 | · | part |
| 2 | Input Preamplifier | digital-multimeter-preamp-stage | 1× | 1 | · | part |
| 3 | Ohms Measurement Stage | digital-multimeter-ohms-circuit | 1× | 1 | · | part |
| 4 | Voltage Reference | digital-multimeter-reference-voltage | 1× | 1 | · | part |
Where the measurement circuitry is used
2 products across 2 domains 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 |
|---|---|---|---|---|
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🇨🇳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 |