| Model | HCA-S-20M-SI-FST | HCA-S-20M-BSI-FST |
| Detector | 3 mm Ø Si PIN Photodiode | INGAS Detector |
| Spectral Range | 320 – 1060 nm | 200 – 1100 nm |
| Bandwidth | DC ... 20 MHz | DC ... 20 MHz |
| Rise/Fall Time | 19 ns | 18 ns |
| Transimpedance Gain | 1 x 105 V/A | 1 x 105 V/A |
| Conversion Gain | 5.9 x 104 V/W (@ 1550 nm) | 7.3 x 104 V/W (@ 1550 nm) |
| NEP (@ 10 kHz) | 4.5 pW/√Hz (@ 900 nm) | 3.3 pW/√Hz (@ 900 nm) |
| Input | Free Space, 25 mm Ø Flange | Free Space |
| Output Voltage | ± 1.5 V | ± 2 V |
| Power Requirements | ± 15 V, + 15 mA Typ. | ± 15 V, + 15 mA Typ. |
| CAB-LN1 Low Noise Input/Output Cable available. Threaded M4 and 8-32 holes for mounting on standard posts. 25 mm Ø flange compatible with microbench systems. Offset adjustable by trimpot. Fiber optic input optional. Output short-circuit protected. Power supply via 3-pin LEMO socket. A mating connector is provided with the device. Optional power supply PS-15 is available. For further information please view the datasheets. |
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