Photo receiver circuit
专利汇可以提供Photo receiver circuit专利检索，专利查询，专利分析的服务。并且PURPOSE: To extract signals from DC components to high-frequency components completely by grounding one side of an avalanche photo diode and by adding low-frequency components extracted by a transistor to amplified high-frequency components.
CONSTITUTION: The cathode of avalanche photo diode 301 is grounded, and a high-frequency component is extracted from the contact between bias resistance 302 and the anode to resistance 305 via capacitor 304 and then amplified 308. The anode of diode 301, on the other hand, is connected to the base of low-frequency transistor 307 with higher dielectric strength than the breakdown voltage of diode 301 and components from DC one to high-frequency one included in an electric signal are amplified 309 and added 310 to the output of high-frequency amplifier 308, so that output 311 can be obtained which includes from a DC component to high-frequency one. As for a gain, phase characteristics, a delay time, etc., amplifiers 308 and 309 are adjusted to flatten frequency characteristics of output 311. Since one terminal of diode 301 is grounded, influence of floating capacity is removed, and high-frequency reception becomes possible.
COPYRIGHT: (C)1979,JPO&Japio，下面是Photo receiver circuit专利的具体信息内容。
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