发明名称 |
Integrated circuit including a surface acoustic wave transformer and a balanced mixer |
摘要 |
In a radio transceiver (100), an IF stage (110) is formed on a single substrate. A balanced or image rejection mixer (204) having two pairs of inputs and a pair of outputs is integrated on an IC substrate (202). Disposed on the IC substrate are SAW transformers (210, 212 and 214) which provide a desired phase transformation. The SAW transformers comprise piezoelectric layers (228) and metallization layers (230) which are suitably patterned to provide the desired phase transformation and frequency selectivity.
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申请公布号 |
US5265267(A) |
申请公布日期 |
1993.11.23 |
申请号 |
US19910751845 |
申请日期 |
1991.08.29 |
申请人 |
MOTOROLA, INC. |
发明人 |
MARTIN, WILLIAM J.;PENUNURI, DAVID;SUAREZ, JOSE I.;CHO, FREDERICK Y. |
分类号 |
H03H9/64;H03D7/14;H03H9/00;H03H9/02;H03H9/05;H04B1/26;(IPC1-7):H04B1/26;H03H9/145 |
主分类号 |
H03H9/64 |
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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