Author Archives: SouHu
5G mmWave Power Supply Testing: Lead Drop and Remote SENSE
In RF validation, lead resistance can create a difference between the programmed voltage and the [...]
RFIC Validation: How a 0.3V Lead Drop Changes Your Test
A 60A current through a 5mΩ total force-loop resistance produces a calculated 0.30V drop. On [...]
Remote SENSE vs Local Sensing: A High-Current Buyer Checklist
Remote SENSE can reduce steady-state voltage error caused by power leads. Whether it is required [...]
Remote SENSE on a DC Power Supply: 4-Wire Wiring and Limits
Remote SENSE uses separate feedback leads to regulate voltage near the DUT. It compensates power-lead [...]
Best Variable DC Power Supply in the US: 2026 Buying Guide
The best variable DC power supply for your US application is the one that fits [...]
High Precision Programmable DC Power Supplies: Accuracy vs Resolution
Display digits and setting resolution are not accuracy. Evaluate setting/readback accuracy, range, temperature coefficient, regulation, [...]
Programmable DC Power Supply Benefits: What Automation Adds
Programmability can make setpoints and records repeatable, reduce manual adjustments and integrate a supply into [...]
300V DC Power Supply Comparison: ETOMMENS eTM-3005C vs VOLTEQ HY30005EX
Both models list adjustable 300V and 5A ranges. The useful comparison is mains compatibility, controls, [...]
How to Choose a Regulated DC Bench Power Supply
A regulated supply maintains its selected output within documented limits as input and load conditions [...]
CV and CC on a DC Bench Power Supply: What the Modes Mean
CV regulates voltage until the load reaches the selected current limit. CC regulates current by [...]