摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a tuning type antenna module with a frequency correction circuit for reducing antenna characteristic dispersion of a tuning frequency or the like. <P>SOLUTION: The tuning type antenna module 1 is provided in which a variable capacitor means 3 is connected to an antenna element 2, capacitance of the variable capacitor means 3 is varied with a control voltage of a frequency control power source 6, and a tuning frequency is changed in accordance with a frequency of a radio wave received by the antenna element 2, wherein between the frequency control power source 6 and the variable capacitor means 3, a voltage dividing circuit 7 constituted of resistance for dividing the control voltage is connected, and the tuning frequency is corrected by the voltage dividing circuit 7. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |