| 发明名称 |
Digital microphone device with extended dynamic range |
| 摘要 |
Digital microphone device (2;3;4) comprising: a microphone (21), a preamplifier (22) having a variable gain (GV), an Analog-to-Digital Converter block (23;33;43), a compensation block (24;34), an Automatic Gain Controller block (25;35) and a conversion block (26;36) for generating a single-bit PDM output signal (VD3).
Method thereof. |
| 申请公布号 |
EP2608569(A1) |
申请公布日期 |
2013.06.26 |
| 申请号 |
EP20110195374 |
申请日期 |
2011.12.22 |
| 申请人 |
ST-ERICSSON SA |
发明人 |
PINNA, CARLO;MECCHIA, ALESSANDRO;PESENTI, PAOLO |
| 分类号 |
H04R1/00;H03G3/30;H04R3/04 |
主分类号 |
H04R1/00 |
| 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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