How does Keithley Digital SourceMeter support four-quadrant operation?

The digital source meter integrates the functions of voltage source, current source, voltmeter, ammeter, and electronic load. It is widely used to measure the characteristics of various types of precision devices: semiconductor ICs or components, power devices, sensors, organic materials, and nanomaterials. Test and analyze.

How does the digital sourcemeter support four-quadrant operation?

1. The power supply quadrant diagram refers to the quadrant diagram formed by taking the power supply output voltage as the X-axis and the output current as the Y-axis.

2. The first and third quadrants, that is, the voltage and current are in the same phase, and the device supplies power to other devices, which is called the source mode; as a positive or negative constant voltage or constant current power supply, this mode is used;

3. The second and fourth quadrants are when the voltage and current are reversed. Other devices discharge the device, passively absorb the incoming current, and provide a return path for the current. This is called the hydrazine mode; this mode is used during discharge experiments of solar panels and lithium batteries. .

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What are the typical applications and inspection items of digital source meters?

The digital source meter integrates multiple functions such as voltage, current input, output, and measurement. The maximum output voltage reaches 300V, and the minimum current resolution is 10pA. It supports four-quadrant operation, so it can be widely used in various electrical characteristics tests: semiconductor IC or components. Characteristic testing and analysis of devices, power devices, sensors, organic materials and nanomaterials.

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