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| 制造商 | 型号 | 分类 | 描述 | 下载 |
|---|---|---|---|---|
 Holtek Semicond... | HT9020B | call progress tone detector | ||
Holtek Semicond... | HT9020A | call progress tone decoder & abr controller | ||
Holtek Semicond... | HT9030 | calling line identification receiver | ||
Holtek Semicond... | HT9032D | calling line identification receiver | ||
Holtek Semicond... | HT9011 | FM IF detector |
