What is an AV grade switching power supply?


Received an AV grade switching power supply wall wart with a network switch and wondered if this is any good. Is a linear supply better. Heard switching power supply's are noisy. 

jumia

Showing 2 responses by jumia

The item you speak about is not available from Amazon. 
 

Question is about an AV grade Power adapter. What is av Grade?

Problem with linear power is that the circuit is always on and this creates noise. A switch power is fine if the filtering for high frequencies is done well and should not be a problem.

So linear power for switches it's not a good idea.