200 MHz TTL-analog photodetector
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Koheron PD200T is an InGaAs photodetector with a dual TTL-analog output. The analog output has a gain of 500 V/A and a 200 MHz bandwidth. The TTL output has 2.5 ns propagation delay, 1.3 ns rise time and 0.7 ns fall time. Trigger threshold can be adjusted with a precision trimmer.
Specifications
| Wavelength range | 900 - 1700 nm |
| Optical input power | 0 - 2 mW |
| Noise Equivalent Power | 30 pW/√Hz (at 100 kHz) |
| Analog output | |
| Small signal bandwidth | 200 MHz at 3 dB |
| Impulse response | 2 ns (FWHM) |
| Transimpedance gain | 500 V/A (Hi-Z), 250 V/A (50 Ω) |
| Analog output impedance | 50 Ω |
| Analog output dark offset | 10 mV |
| Analog output current max | 80 mA |
| Analog output voltage | 3 Vpp (Hi-Z), 1.5 Vpp (50 Ω) |
| Analog output slew rate | 400 V/µs (50 Ω), 600 V/µs (Hi-Z) |
| TTL output | |
| TTL rise / fall time | 1.5 ns |
| Logic low | 0.1 V (max. Hi-Z), 0.05 V (max. 50 Ω) |
| Logic high | 2.6 V (min. Hi-Z), 1.3 V (min. 50 Ω) |
| TTL output current max | 20 mA |
| TTL output impedance | 50 Ω |
| Other | |
| Power Supply | 3.7 - 15 VDC |
| Photodiode connector | FC |
| Photodiode peak responsivity | 0.90 A / W |
| Output connectors | SMA |
| Outside Dimensions | 48 mm x 53 mm x 14 mm |
| Weight | 20 g |
| Mechanical details | Compatible with M6 metric breadboards (25 mm spacing) |
| Operating temperature | 0 °C - 50 °C |
Specifications
| Wavelength range | 900 - 1700 nm |
| Optical input power | 0 - 2 mW |
| Noise Equivalent Power | 30 pW/√Hz (at 100 kHz) |
| Analog output | |
| Small signal bandwidth | 200 MHz at 3 dB |
| Impulse response | 2 ns (FWHM) |
| Transimpedance gain | 500 V/A (Hi-Z), 250 V/A (50 Ω) |
| Analog output impedance | 50 Ω |
| Analog output dark offset | 10 mV |
| Analog output current max | 80 mA |
| Analog output voltage | 3 Vpp (Hi-Z), 1.5 Vpp (50 Ω) |
| Analog output slew rate | 400 V/µs (50 Ω), 600 V/µs (Hi-Z) |
| TTL output | |
| TTL rise / fall time | 1.5 ns |
| Logic low | 0.1 V (max. Hi-Z), 0.05 V (max. 50 Ω) |
| Logic high | 2.6 V (min. Hi-Z), 1.3 V (min. 50 Ω) |
| TTL output current max | 20 mA |
| TTL output impedance | 50 Ω |
| Other | |
| Power Supply | 3.7 - 15 VDC |
| Photodiode connector | FC |
| Photodiode peak responsivity | 0.90 A / W |
| Output connectors | SMA |
| Outside Dimensions | 48 mm x 53 mm x 14 mm |
| Weight | 20 g |
| Mechanical details | Compatible with M6 metric breadboards (25 mm spacing) |
| Operating temperature | 0 °C - 50 °C |