专利检索 ap:("L-3 Communications Corporation") AND inv:"FIENHAGE, John, F." 第 1 页

1.

发明授权
METHOD AND APPARATUS FOR REDUCING LOAD PULL IN A PHASE LOCKED LOOP FREQUENCY SOURCE 有权
标题翻译：方法和系统减负因素的后部影响频率发生器使用相位锁相环电路

公开(公告)号：EP1044504B1

公开(公告)日：2004-02-04

申请号：EP98958602.9

申请日：1998-11-16

申请人： L-3 Communications Corporation

发明人： FIENHAGE, John, F. , GRANTHAM, David, N. , KOBLER, Mark, A.

IPC分类号： H03L7/06 , H03K5/00

CPC分类号： H03L7/183 , H03L2207/10

摘要： A phase locked loop frequency source with greatly reduced load pull susceptibility is achieved by using voltage controlled oscillator of frequency which is neither the same as nor a harmonic or sub-harmonic of the output frequency.