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詳細介紹
Keithley 精密直流和交流 + 直流低噪聲電流源
6220 型直流電流源和 6221 型交流和直流電流源將易用性與極低的電流噪聲相結合。 在測試環(huán)境中，從研發(fā)到生產，尤其是在半導體、納米技術和超導體行業(yè)，低電流源對于應用至關重要。 6220 型和 6221 型具有高精度源和內置控制功能，非常適合使用增量模式、脈沖測量和微分電導測量的霍爾測量、電阻測量等應用。
特點 | 優(yōu)勢 |
| 10 14 Ω 輸出阻抗 | 提供廣泛的輸出阻抗，確保負載中有穩(wěn)定的電流源。 |
| 65000 點源內存 | 允許直接從電流源執(zhí)行全面的測試電流掃描。 |
| 輸出 0.1V 至 105V 的恒流電壓，10mV 步長 | 防止?jié)撛趽p壞對過電壓敏感的設備。 |
| 源交流電源范圍為 4pA 至 210mA 峰峰值 (6221) | 支持元器件和材料的交流檢定。 |
| 10MHz 輸出更新速率 (6221) | 生成高達 100kHz 的平滑正弦波。 |
| 內置標準和任意波形發(fā)生器，頻率范圍為 1mHz 至 100kHz (6221) | 支持用作復雜的可編程負載或傳感器信號以及用于噪聲模擬。 |
| 可編程脈沖寬度短至 5μs (6221) | 限制易損低功率元器件的功耗，與 2182A 型納伏表配合使用時支持低至 50μs 的脈沖式 I-V 測量。 |
| 可重新配置的三同軸輸出 | 簡化匹配應用的防護要求的過程。 |
型號
| 型號 | 電流 | 電阻 | 掃描點數(shù) | PC 接口 | 內部波形發(fā)生器 |
|---|---|---|---|---|---|
| 6220 | ± (100fA – 100mA) | 10n? 至 200M?（需要 2182A） | 65,536 (64k) | GPIB、RS-232 | - |
| 6221 | ± (100fA – 100mA) | 10n? 至 200M?（需要 2182A） | 65,536 (64k) | GPIB、RS-232、以太網 | 1mHz-100kHz，輸出更新速率為 10 |
The type 6220 dc current source and type 6221 ac and dc current sources combine ease of use with extremely low current noise. In test environments, from research and development to production, especially in semiconductors, nanotechnology and superconductors, low current sources are critical to applications. The type 6220 and type 6221 have high precision source and built-in control functions and are very suitable for hall measurement and resistance measurement using incremental mode, pulse measurement and differential conductance measurement.
Main features and advantages
The source and resident current ranges from 100fA to 100mA
1014 Ω output impedance to ensure stable current source can provide all kinds of load
The source storage capacity of 65000 points can perform a comprehensive test current scan directly from the current source
Built-in rs-232, GPIB, trigger link and digital I/O interface
Configurable three-axis output interface for convenient application with protection function
Can simulate the early type 220 current source, no need to rewrite the program code for existing applications
The type 6220 dc current source and type 6221 ac/dc current source series are very easy to use precision micro current sources with very low noise. The generation of microcurrent is a key instrument in many research and development and product measurement applications, especially in semiconductors, nanotechnology and superconductivity. Fast, high precision, and the built-in control function, make 6220/6221 series be the ideal choice for the following applications, such as hall, Delta mode resistance measurement, pulse measurement, as well as the differential conductance measurement, etc.
application
nanotechnology
Differential conductance
Pulse source and resistance
Optoelectronic applications
Impulse type I - V
Ac bridge replacement device (used in conjunction with 2182A)
Low power resistance measurement
Locking amplifier replacement device (used in conjunction with 2182A)
Low noise resistance measurement
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