发明名称 |
VARIABLE BAND PASS FILTER CIRCUIT |
摘要 |
<p>A variable band pass filter circuit utilizing first and second ceramic filters including a pair of passive circuits that can be selectively connected between the ceramic filters and wherein the first passive circuit comprises a first capacitor connected between the output of the first ceramic filter and the input of the second ceramic filter and the second passive circuit includes a second capacitor connectable between the output of the first ceramic filter and the input of the second ceramic filter and an inductor connected between the input of the second ceramic filter and a reference point.</p> |
申请公布号 |
CA1023818(A) |
申请公布日期 |
1978.01.03 |
申请号 |
CA19740213839 |
申请日期 |
1974.11.15 |
申请人 |
SONY CORPORATION |
发明人 |
WAKU, TOSHIHIKO;TAKEUCHI, HIROSHI |
分类号 |
H04B1/16;H03G5/14;H03H9/54;H03H9/56;H03H9/58;H03H9/60;(IPC1-7):03H/ |
主分类号 |
H04B1/16 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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