What are the applications of point contact diode?

There are some important applications of point contact diode which are given below,

• The point contact diode is used in pulse circuits.
• The point contact diode is used as a video detector in television receiver.
• It is used as an AM (amplitude modulation) detector in radio receiver.
• It is used in high frequency circuits of the order of 10 GH_Z or more.
• It is used in microwave frequency mixer circuits.
• It is used in non linear i.e. rectifying elements of R.F. (radio frequency) signal detection.
• It is used in frequency conversation circuits.