Ladas & Parry LLP
Apparatus for adjusting frequency characteristic and Q factor of low pass filter and method thereof
Provided are an apparatus for adjusting frequency characteristic and Q factor of a low pass filter (LPF) and a method thereof. The apparatus includes: a frequency comparing unit for calculating a first square value and a second square value, and comparing a first reference value with the first and the second square values; a frequency adjusting unit for adjusting the frequency characteristic to range the first reference value between the first square value and the second square value; a Q factor comparing unit for calculating a third square value, and comparing a second and a third reference values with the third square value; a control unit for activating the Q factor comparing unit when the frequency characteristic is completely adjusted; and a Q factor adjusting unit for adjusting the Q factor to range the third square value between the second reference value and the third reference value.
Electronics and Telecommunications Research Institute
H H
H03H H03H
inventional inventional
Chang-Wan Sang-Sung Seung-Sik Bong-Hyuk
Kim Choi Lee Park