IIR filter applications

IIR filter stands for infinite impulse response are also known as the recursive type of filter operates on the current and past input value and current and past output value. In theoretically the impulse response of an IIR filter never reaches zero and is an infinite response.
  • Telecommunication 
  • Clock recovery in data communication
  • Receiver anti-imaging filter
  • Digital telephony called digital dual tone multi-frequency touch-tone receiver
  • Signal monitoring application