engineering recuitment HAL Management & Design Trainee Mock Test 2023 Network Theory Basic Filters and Locus Diagrams
A low-pass filter with a cut-off frequency of 30 Hz is cascaded with a high pass filter with a cut-off frequency of 20 Hz. The resultant system of filters will function as
1
an all-pass filter
2
an all – stop filter
3
a band stop (band-reject) filter
4
a bandpass filter