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High-gain balanced photodetector
Koheron PD10B is a balanced photodetector with 80 kV/A transimpedance gain and 8 MHz bandwidth. With a noise-equivalent power spectral density of only 0.8 pW / √Hz at 1 MHz, the PD10B is a perfect alternative to the PD100B balanced photodetector for those who require a higher gain.
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Resources
Specifications
| PD10B-80-DC | |
|---|---|
| Wavelength range | 900 - 1700 nm |
| Small signal bandwidth | 0 - 8 MHz at 3 dB |
| Coupling | DC |
| Optical input power | 0 - 1.5 mW |
| Photodiode peak responsivity | 0.90 A / W |
| Power supply (positive) | 5.5 - 9 VDC |
| Power supply (negative) | -9 to -5.5 VDC |
| Transimpedance gain | 80 kV / A |
| Output voltage range | ±3.6 V |
| Noise Equivalent Power | 0.8 pW / √Hz (at 1 MHz) |
| Output impedance | 50 Ω |
| Outside Dimensions | 63 mm x 38 mm x 14 mm |
| Photodiode connector | FC |
| Photodiode active diameter | 300 µm |
| Output | SMA |
| Mechanical details | Compatible with M6 metric breadboards (25 mm spacing) |
Functional diagram
Characterization
Output power spectral density
The power spectral density of the PD10B-80-DC output was measured for different incident optical powers. The indicated power is the incident power per photodiode. Optical source is a Koheron LD101 laser at 1550 nm. Power spectrum is measured using the Koheron ALPHA250 FFT analyzer.
Frequency response
Noise equivalent power
