描述：
这种单输出，5000 W，GPIB Keysight 6681A直流电源（以前为安捷伦科技公司）具有测试系统工程师所追求的卓越的，经过验证的可靠性。它还具有轻松进行测试系统集成所需的功能。
直流输出和广泛的保护功能的编程可以通过GPIB从前面板或使用行业标准的SCPI命令进行。使用串行链路，可以通过一个GPIB地址连接多达16个电源。使用VXI即插即用驱动程序可以进一步简化测试系统的集成。输出电压和电流也可以通过模拟信号进行控制。这对于某些类型的嘈杂环境以及对过程更改的即时反应很有帮助。
Keysight 6681A直流电源对于5000瓦的直流电源具有极低的纹波和噪声。这有助于内置的测量系统进行极其精确的电流和电压测量。提供可选补偿，以实现无感性负载供电。是德科技6681A直流电源以前是作为安捷伦6681A直流电源制造的，它取代了HP 6681A直流电源。
选件208：直流电源180-235V，三相交流电，50 / 60Hz输入（与电源线opt 861配合使用）
技术指标：
| 输出数量 | 1个 |
| GPIB | 是 |
| 输出额定值 | |
| 电压 | 0至8 V |
|
电流 （40°C然后 从40°C降至55°C 线性降低1％/ °C） |
0至580 A |
| 25°C±5°C时的编程精度 | |
| 电压（0.04％+） | 8毫伏 |
| 目前（0.1％+） | 300毫安 |
| 20 Hz至20 MHz的纹波和噪声恒定电压模式 | |
| 均方根 | 1.5毫伏 |
| 峰到峰 | 10毫伏 |
| 25°C±5°C时的回读精度（读数的百分比加上固定值） | |
| 电压（0.05％+） | 12毫伏 |
| 目前（0.1％+） | 400毫安 |
| 负载和线路调节 | |
| 电压（0.002％+） | 0.3毫伏 |
| 目前（0.005％+） | 40毫安 |
| 瞬态响应时间 |
在负载从电源的输出电流额定值的100％变为50％或50％至100％改变后，输出电压在150 mV内恢复不到900 µs |
|
20 Hz至20 MHz的纹波和噪声恒定电流模式 |
|
| 均方根 | 190毫安 |
| 平均编程分辨率 | |
| 电压 | 2.15毫伏 |
| 当前 | 155毫安 |
| 过压保护 | 45毫伏 |
| 输出电压编程响应时间 | 12毫秒 |
| （不包括命令处理时间）全负载编程上升或下降时间（阻性负载为10％到90％或90％到10％） | |
|
输出共模噪声电流（至信号接地接线柱） |
|
| 均方根 | 1.5毫安 |
| 峰到峰 | 10毫安 |
This Single-Output, 5000 W, GPIB Keysight 6681A dc power supply (formerly Agilent Technologies) has the exceptional, proven reliability that test system engineers look for. It also has the features needed for easy test system integration.
Programming of the DC output and the extensive protection features can be done either from the front panel or using industry standard SCPI commands, via the GPIB. Using the serial link, up to 16 power supplies can be connected through one GPIB address. Test system integration can be further simplified by using the VXI Plug&Play drivers. The output voltage and currentcan also be controlled with analog signals. This is helpful for certain types of noisy environments, and also immediate reactions to process changes.
The Keysight 6681A DC Power Supply has extremely low ripple and noise for a 5000 watt dc power supply. This helps the built-in measurement system make extremely accurate current and voltage measurements. Selectable compensation is provided for problem-free powering of inductive loads. The Keysight 6681A DC Power Supply was previously manufactured as the Agilent 6681A DC Power Supply which replaced the HP 6681A DC Power Supply.
Option 208: DC power supply 180-235V, 3 phase AC, 50/60Hz INPUT (use with power cord opt 861)
Specifications
Less than 900 µs for the output voltage to recover within 150 mV following a change in load from 100% to 50%, or 50% to 100% of the output current rating of the supply
Ripple and noise constant current mode from 20 Hz to 20 MHz
Output common-mode noise current (to signal-ground binding post)
Number of outputs
1
GPIB
Yes
Output ratings
Voltage
0 to 8 V
Current
(40°C then derate linearly 1%/°C
from 40°C to 55°C)
0 to 580 A
Programming accuracy at 25°C ±5°C
Voltage (0.04% +)
8 mV
Current (0.1% +)
300 mA
Ripple and noise constant voltage mode from 20 Hz to 20 MHz
rms
1.5 mV
Peak to peak
10 mV
Readback accuracy at 25°C ±5°C (percent of reading plus fixed)
Voltage (0.05% +)
12 mV
Current (0.1% +)
400 mA
Load and line regulation
Voltage (0.002% +)
0.3 mV
Current (0.005% +)
40 mA
Transient response time
rms
190 mA
Average programming resolution
Voltage
2.15 mV
Current
155 mA
OVP
45 mV
Output voltage programming response time
12 ms
(excludes command-processing time) Full-load programming rise or fall time (10 to 90% or 90 to 10%, resistive load)
rms
1.5 mA
peak-to-peak
10 mA
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