| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a standard electric wave receiving circuit capable of reducing external elements and terminals, and achieving small-sizing of the device. <P>SOLUTION: The standard wave receiving circuit 100 of this invention comprises an AGC circuit 2 for inputting a standard electric wave signal input through an antenna 7 and controlling intensity, an A/D conversion circuit 3 for inputting the standard wave signal output from the AGC circuit 2 and converting to digital signal, a digital filter 4 for inputting the digital signal output from the A/D conversion circuit 3 and removing jamming, and a detection circuit 5 for inputting the digital signal output from the digital filter and processing for detection. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
