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簡介
高頻率成分的使用者經(jīng)常面臨包括多余的震蕩、糟糕的地面屏蔽、非線性益增和由于放大器設(shè)計落后引起帶寬減少的問題。FEMTO高頻率放大器已經(jīng)設(shè)計出能排除那些不想要的問題。沒有增益峰值、震蕩或者帶寬大幅度減少。
規(guī)格參數(shù)
Model | 3-dB Bandwidth (DC ...) | Noise Current [/√Hz] | Transimpedance (Gain) | Rise/Fall Time | Max. Source Capacitance | View and Download Datasheet |
| HCA-1M-1M | 1 MHz | 270 fA | 1 x 106 V/A | 350 ns | 50 pF | 273 kB |
| HCA-1M-1M-C | 1 MHz | 3.5 pA | 1 x 106 V/A | 350 ns | 2 nF | 273 kB |
| HCA-2M-1M | 2 MHz | 340 fA | 1 x 106 V/A | 180 ns | 25 pF | 273 kB |
| HCA-2M-1M-C | 2 MHz | 3.5 pA | 1 x 106 V/A | 180 ns | 1 nF | 273 kB |
| HCA-4M-500K | 4 MHz | 490 fA | 5 x 105 V/A | 90 ns | 15 pF | 273 kB |
| HCA-4M-500K-C | 4 MHz | 3.5 pA | 5 x 105 V/A | 90 ns | 500 pF | 273 kB |
| HCA-10M-100K | 10 MHz | 1.1 pA | 1 x 105 V/A | 35 ns | 15 pF | 273 kB |
| HCA-10M-100K-C | 10 MHz | 3.5 pA | 1 x 105 V/A | 35 ns | 150 pF | 273 kB |
| HCA-20M-100K-C | 20 MHz | 3.5 pA | 1 x 105 V/A | 18 ns | 50 pF | 273 kB |
| HCA-40M-100K-C | 40 MHz | 3.7 pA | 1 x 105 V/A | 10 ns | 30 pF | 273 kB |
| HCA-100M-50K-C | 100 MHz | 3.9 pA | 5 x 104 V/A | 3.5 ns | 20 pF* | 241 kB |
| HCA-200M-20K-C | 200 MHz | 5.3 pA | 2 x 104 V/A | 1.9 ns | 8 pF* | 236 kB |
| HCA-400M-5K-C | 400 MHz | 20 pA | 5 x 103 V/A | 1 ns | 10 pF* | 257 kB |
*對于超快型號HCA-100M-50K-C、HCA-200M-20K-C和HCA-400M-5K-C，如果源電容達到上述zui大源電容值，帶寬可能會減少25%。
特別是對于這些型號的短電纜的輸入和低電容源的使用是非常重要的。數(shù)據(jù)表中你可以找到更多信息。
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