Jul 28, 2009 #1 hmsheng Full Member level 4 Joined Dec 17, 2003 Messages 219 Helped 26 Reputation 52 Reaction score 10 Trophy points 1,298 Location China Activity points 1,556 two stage mixer Some low-IF RX use 2 stage mixer. What's the advantage of the 2 stage mixer compared with 1 stage mixer?
two stage mixer Some low-IF RX use 2 stage mixer. What's the advantage of the 2 stage mixer compared with 1 stage mixer?
Jul 29, 2009 #2 X xftang Newbie level 2 Joined Sep 11, 2007 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,288 advantages of two stage mixer When translating a signal from a very high frequency to a very low frequency, a current-commutating CMOSmixer always suffers from large flicker noise at its output.This can submerge the weak received signal, which lies at lowIF at the mixer output.
advantages of two stage mixer When translating a signal from a very high frequency to a very low frequency, a current-commutating CMOSmixer always suffers from large flicker noise at its output.This can submerge the weak received signal, which lies at lowIF at the mixer output.