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The Agilent 11982A lightwave converter converts an optical signal to an electrical signal. It combines a PIN photodetector for the optical-to-electrical conversion. The electrical signal is amplified with a low-noise preamplifier. The Agilent 11982A provides a general purpose optical-to-electrical converter for lightwave frequency-domain and time-domain measurements and can be used with oscilloscopes, spectrum analyzers, and network analyzers. The Agilent 11982A covers the wavelengths from 1200 to 1600 nm with dc to 15 GHz (optical) modulating bandwidth. Its 300 volts/watt (nominal) conversion gain and 0.05% input optical reflections, significantly improves sensitivity for characterizing lightwave devices. Each converter comes with a calibration chart of instrument-specific data for frequency response and responsivity to enable correct and accurate measurements. Specifications. Wavelength Range (characteristic): 1,200 nm to 1,600 nm. Bandwidth (characteristic): dc to 15 GHz (optical), dc to 11 GHz (electrical). Full Width Half Maximum (Calculated from FWHM=0.44/BW optical): 29.4 ps. Conversion Gain dc responsivity (Plus or minus the connector variation.): > 200 V/W, 300 V/W nominal. Harmonic Distortion, Output <–10 dBm: > 41 dBd below fundamental. Maximum Safe Optical Input Power Average: 10 mW (+10 dBm).
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