发明名称 OPTISCHER EMPFÄNGER.
摘要 The invention relates to an optical receiver for broadband and narrowband signals, in particular analog signals, transmitted using a frequency division method, with a preceding stage which has a balancing and impedance transformer and a broadband amplifier. It is provided according to the invention that the balancing and impedance transformer (4) has a separate winding (19) to separate out the narrowband signal (SB), to which a separate, selective pre-amplifier (17) is connected. <IMAGE>
申请公布号 AT118934(T) 申请公布日期 1995.03.15
申请号 AT19910118704T 申请日期 1991.11.02
申请人 ALCATEL N.V. 发明人 KRIMMEL, HEINZ
分类号 H03H7/46;H04B10/158;(IPC1-7):H04B10/14 主分类号 H03H7/46
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