品牌：德国FEMTO
型号：HCA-2M-1M
可调节偏移和偏压
高灵活度的FEMTO HCA 电流放大器通过两个微调筒可以提供精确的偏移和偏压。可调整的输入补偿电流组件甚***以保存DC-组件的信号大范围完整动力学信号。偏压输出的电压可以通过多用转变偏压微调筒精确调整从-12到+12V
应用：
大面积光电二极管快速探测
光谱学
PMTS光电测探和光电二极管
电离探测器
Pyro-和压电式探测器
基本参数：
| 型号 | 带宽 | 电流噪声 | 可变增益 | 升/下降时间 | 源电容 |
| HCA-1M-1M | 1 MHz | 270 fA | 1 x 106 V/A | 350 ns | 50 pF |
| HCA-1M-1M-C | 1 MHz | 3.5 pA | 1 x 106 V/A | 350 ns | 2 nF |
| HCA-2M-1M | 2MHz | 340 fA | 1 x 106 V/A | 180 ns | 25 pF |
| HCA-2M-1M-C | 2MHz | 3.5 pA | 1 x 106 V/A | 180 ns | 1 nF |
| HCA-4M-500K | 4MHz | 490 fA | 5 x 105 V/A | 90 ns | 15 pF |
| HCA-4M-500K-C | 4MHz | 3.5 pA | 5 x 105 V/A | 90 ns | 500 pF |
| HCA-10M-100K | 10MHz | 1.1 pA | 1 x 105 V/A | 35 ns | 15 pF |
| HCA-10M-100K-C | 10MHz | 3.5 pA | 1 x 105 V/A | 35 ns | 150 pF |
| HCA-20M-100K-C | 20MHz | 3.5 pA | 1 x 105 V/A | 18 ns | 50 pF |
| HCA-40M-100K-C | 40MHz | 3.7 pA | 1 x 105 V/A | 10 ns | 30 pF |
| HCA-100M-50K-C | 100MHz | 3.9 pA | 5 x 104 V/A | 3.5ns | 20 pF |
| HCA-200M-20K-C | 200MHz | 5.3 pA | 2 x 104 V/A | 1.9 ns | 8 pF |
| HCA-400M-5K-C | 400MHz | 20 pA | 5 x 103V/A | 1 ns | 10 pF |