The Circuit of Active High-Pass Filter With Sharp Cutoff Performance (RC4558DN)

Published:2011/8/10 7:58:00 Author:Felicity | Keyword: Active, High-Pass Filter, Sharp Cutoff Performance | From:SeekIC

Active high-pass filter with sharp cutoff performance is shown in this circuit. To improve the frequency characteristic around cutoff frequency fc of high-pass filter, in this circuit a high-pass filter and a band-stop filter are connected in series to improve the frequency characteristic of the high-pass filter. The first stage in this circuit is band-stop filter consists of double-T network and load resistance R4, composing band-pass filter that gain descends in low frequency. To increase the value of Q, there is a bootstrapping at the end of the double-T network.



Reprinted Url Of This Article:
http://www.seekic.com/circuit_diagram/Basic_Circuit/Filter_Circuit/The_Circuit_of_Active_High_Pass_Filter_With_Sharp_Cutoff_Performance_RC4558DN.html

Print this Page | Comments | Reading(3)