发明名称 |
Analog circuit improvement in a digital integrated circuit technology. |
摘要 |
<p>A CMOS integrated filter includes a passive network of resistive and capacitive paired elements and a first differential amplifier, for implementing a second order low pass filter function. A second amplifier is connected in voltage following configuration at an input of the first amplifier. A filter output is provided by an output of the second amplifier.</p> |
申请公布号 |
EP0244116(A2) |
申请公布日期 |
1987.11.04 |
申请号 |
EP19870303263 |
申请日期 |
1987.04.14 |
申请人 |
NORTHERN TELECOM LIMITED |
发明人 |
LITTLE, THOMAS NOBLE;LONGO, LORENZO LINO;CHAN, SUN-SHIU DAVID |
分类号 |
H03H11/12 |
主分类号 |
H03H11/12 |
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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