发明公开
EP0441362A1 Optical disk recording/reproducing apparatus and a photoelectric conversion amplifier therefor 失效
OptischesGerätzur Aufzeichnung / Wiedergabe und photoelektrischerKonversionsverstärkerdafür。

Optical disk recording/reproducing apparatus and a photoelectric conversion amplifier therefor
摘要:
In a photoelectric conversion amplifier for converting a light signal into a voltage signal, a resistor (8) and a capacitor (9) connected in parallel with the resistor are provided between a non-inverted input terminal of a differential amplifier (10) and a reference voltage source terminal, and thereby an offset voltage of the differential amplifier (10) is eliminated and a frequency characteristic is improved to have a wideband.
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