发明名称 |
SEMICONDUCTOR INTEGRATED CIRCUIT WITH CIRCUIT BLOCKS, DUMMY ISLANDS, AND BIAS AND SHIELD ELECTRODES |
摘要 |
A semiconductor integrated circuit for a radio comprises: a front end circuit block (1) including at least an oscillation circuit (1b) and a mixing circuit (1c), for converting an RF signal to an IF signal; and an IF amplifying circuit block (2) for amplifying the IF signal and limiting an amplitude thereof, and the front end circuit block (1) is covered with shield electrodes (17, 17a, 17b, 17c) connected to a predetermined potential. |
申请公布号 |
US5111274(A) |
申请公布日期 |
1992.05.05 |
申请号 |
US19900602184 |
申请日期 |
1990.10.23 |
申请人 |
SANYO ELECTRIC CO., LTD. |
发明人 |
TOMIZUKA, KAZUO;SUGAYAMA, SAKAE;SAEKI, TAKAO;SANDOH, FUMIO |
分类号 |
H01L23/528;H01L23/58;H04B1/16 |
主分类号 |
H01L23/528 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|