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公开(公告)号:US3755749A
公开(公告)日:1973-08-28
申请号:US3755749D
申请日:1971-11-22
申请人: WHITE INSTR INC
发明人: VAN RYSWYK C , BONER C
CPC分类号: H03H11/1217
摘要: An active filter in combination with a sound reenforcement equalization system is provided. The filter permits variation of the notch frequency over a wide range of frequencies and adjustment of the notch depth from zero to any desired value independent of frequency control. Active filters may be cascaded without additional loss in the pass band.
摘要翻译: 提供了一种与声音增强均衡系统相结合的有源滤波器。 滤波器允许在宽范围的频率上改变陷波频率,并且将陷波深度从零调整到与频率控制无关的任何期望值。 有源滤波器可以级联,而在通带中没有额外的损耗。