Schmitt Trigger- Square wave form
• also called a regenerative comparator circuit
• positive feedback
• to convert any regular or irregular shaped
input waveform into a square wave output
Applications Of Active Low Pass
• as hiss filters in audio speakers to reduce the high
frequency hiss produced in the system
• as inputs for sub woofers.
• These are also used in equalizers and audio
• In analog to digital conversion these are used as
anti-aliasing filters to control signals.