Akademik Veri Yönetim Sistemi
Research & Reviews in Engineering 2, Doç. Dr. Mihriban KALKANCI,Dr. Öğr. üyesi Abdurrahman GÜNDAY, Editör, Gece Kitaplığı / Gece Publishing, Ankara, ss.93-106, 2021
Signs are called functions with one or more variables that carry information about a physical state. Unwanted noise components that occur on the signals due to the structure of the transmission medium or environmental factors disrupt its structure and limit the signal carrying information [1]. Filters are used to pass some signals, stop some signals, separate multiple signals in the same environment, and reduce or eliminate undesirable effects such as noise [2]. Filters are divided into two as analog and digital. There are two types of analog filters, active and passive filters. Passive filters are structures that contain circuit elements (passive circuit elements) such as resistors, capacitors and coils (inductors). These passive elements can pass certain frequencies and damp certain frequencies according to their connection type. In addition to passive circuit elements, the active filter circuit can contain circuit elements such as transistors, coils or microprocessors. It is the passive circuit elements that filter in such circuits [3].