发明名称 |
Squelch detecting circuit |
摘要 |
The present invention provides a squelch detecting circuit capable of high-speed transfer while using a reduced number of high-speed operating operational amplifiers to reduce power consumption and the cost of parts. Input differential signals inputted to a differential amplification circuit are amplified and the amplified signal is outputted to a gain proportion circuit. The gain proportion circuit supplies a potential holding circuit with a potential proportional to the amplified signal. The potential holding circuit holds the potential supplied from the gain proportion circuit. A comparator circuit compares the potential held by the potential holding circuit with a reference potential to decide whether it is a squelch state or a non-squelch state and outputs the result as a detect signal.
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申请公布号 |
US7218903(B2) |
申请公布日期 |
2007.05.15 |
申请号 |
US20040935288 |
申请日期 |
2004.09.08 |
申请人 |
RENESAS TECHNOLOGY CORP. |
发明人 |
KOMATSU DANICHI;MORI SHINTARO |
分类号 |
H04B1/00;H04L25/03;H03G3/30 |
主分类号 |
H04B1/00 |
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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