15:46

Passive RC Filters

10:12

TYPES OF ACTIVE FILTERS - what is active filter - LPF, HPF, BPF, BRF, All pass filter - Hindi

22:24

Filtering Square Waves to Sine Waves - Simply Put

14:56

Piezo-Electric Filters

18:38

PCB based Filters

18:00

Crystal Filter Experiments

49:42

Practical Electronics - Lecture 1

9:27

Audio amp classes as fast as possible!