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. |
申请人 |
SANYO ELECTRIC CO., LTD., MORIGUCHI, OSAKA |
发明人 |
TOMIZUKA, KAZUO, ORA-GUN GUNMA-KEN;SUGAYAMA, SAKAE, OIZUMI-MACHI, ORA-GUN GUNMA-KEN;SAEKI, TAKAO, ORA-GUN GUNMA-KEN;SANDOH, FUMIO, ASHIKAGA-SHI TOCHIGI-KEN |