Answer to Question #110638 in Electric Circuits for ROHIT SHARMA

Question

Explain the functions of blanking and synchronizing pulses in a television receiver. How are these functions accomplished by using a sync separator circuit?

Answer 1

 A positive or negative square-wave pulse used to switch off a part of a television or radar set electronically for a predetermined length of time.

synchronization pulse A pulse used to achieve or maintain synchronism.

Note: The term "synchronization pulse" is usually applied to analog signals, whereas the term "synchronization bit" is usually applied to digital data streams.

 the synchronizing pulse information must be removed from the composite video signal. This is accomplished through the use of a sync separator or sync stripper, which utilizes the composite video signal as an input and generates an output during the presence of a horizontal or vertical sync pulse.