6220 型直流电流源和 6221 型交流和直流电流源将易用性与极低的电流噪声相结合。 在测试环境中，从研发到生产，尤其是在半导体、纳米技术和超导体行业，低电流源对于应用至关重要。 6220 型和 6221 型具有高精度源和内置控制功能，非常适合使用增量模式、脉冲测量和微分电导测量的霍尔测量、电阻测量等应用。
特点：
10 14 Ω 输出阻抗
65000 点源内存
输出 0.1V 至 105V 的恒流电压，10mV 步长
源交流电源范围为 4pA 至 210mA 峰峰值 (6221)
10MHz 输出更新速率 (6221)
内置标准和任意波形发生器，频率范围为 1mHz 至 100kHz (6221)
可编程脉冲宽度短至 5μs (6221)
可重新配置的三同轴输出
The 6220 DC current source and the 6221 AC and DC current source combine ease of use with extremely low current noise. In the test environment, from R&D to production, especially in the semiconductor, nanotechnology, and superconductor industries, low current sources are essential for applications. Models 6220 and 6221 have high-precision sources and built-in control functions, which are very suitable for Hall measurement, resistance measurement and other applications that use incremental mode, pulse measurement, and differential conductance measurement.
Features:
10 14 Ω output impedance
65000 point source memory
Output constant current voltage from 0.1V to 105V in 10mV steps
Source AC power range is 4pA to 210mA peak-to-peak (6221)
10MHz output update rate (6221)
Built-in standard and arbitrary waveform generator, frequency range from 1mHz to 100kHz (6221)
Programmable pulse width as short as 5μs (6221)
Reconfigurable triaxial output
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