Question

Filter that amplifies frequency above certain value is called ___________

(a) low pass filter

(b) high pass filter

(c) band pass filter

(d) band stop filter

The question was asked during an interview for a job.

I want to ask this question from Cardiac Monitor topic in portion Patient Monitoring System of Biomedical Instrumentation

Answer 1

Right answer is (b) high pass filter

Easy explanation: High pass filter amplifies signal above a certain frequency. Low pass filter amplifies signals below a certain frequency. Band pass filter amplifies frequencies within a certain band. Band stop filter amplifies all the frequencies except those in a certain band.