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The HP 70810B lightwave section is a lightwave receiver module for the HP 70000 modular measurement system (MMS)(1/8-width module). Consisting of an optical attenuator, broadband photodetector, microwave preamplifier, and optical power meter, the module combines with an HP 70000 series spectrum analyzer to create an HP 71400 series lightwave signal analyzer. The lightwave section has a wavelength range of 1200 to 1600 nm, a detected modulation bandwidth of 100 kHz to 22 GHz, and a built-in RF amplifier of 32 dB that provides optical sensitivity of -60 dBm in a 10 Hz bandwidth. The module also features both optical and electrical input capability. As a slave module to the MMS local oscillator, the HP 70810B allows you to access the functions ofthe electrical spectrum analyzer in an HP 71400 series system. Specifications. Wavelength range (characteristic): 1200 to 1600 nm (Standard), 750 to 870 nm (Opt 850). Frequency range: 100 kHz to 22 GHz. Average power accuracy (at 1300 and 1550 nm standard; 830 nm for Option 850): Factory-calibrated: ± 0.65 dB ± 5.0 nW ± connector variation. User-calibrated (by external power meter): ± 0.05 dB ± 5.0 nW ± power meter accuracy. Responsivity (characteristic) given for each instrument and accurate to ± 20%, Nominal value at 100 MHz: 1200 V/W (Standard), 500 V/W (Opt 850). Maximum input power (with 30 dB atten): + 15 dBm (Average). Harmonic distortion (output <= -10 dBm: 43 dB (electrical) below fundamental. Input return loss (with HMS-10/HP) Total: < 35 dB. Options. Opt 020, system adjustment and calibration. Opt 850, operate 750 to 870 nm.
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