Dec 24, 2005 #1 S springf2000 Full Member level 6 Joined Jun 13, 2004 Messages 381 Helped 20 Reputation 40 Reaction score 2 Trophy points 1,298 Activity points 2,500 now i am doing the WCDMA duplex and i need some material about this topic, who can give me some advice and some material, thanks!
now i am doing the WCDMA duplex and i need some material about this topic, who can give me some advice and some material, thanks!
Dec 24, 2005 #2 boy Advanced Member level 1 Joined Sep 30, 2002 Messages 481 Helped 98 Reputation 196 Reaction score 58 Trophy points 1,308 Location Thailand Activity points 3,963 This is a good tutorial on the cavity filter. Basically, you need a resonator with coupling structures.
This is a good tutorial on the cavity filter. Basically, you need a resonator with coupling structures.
Dec 27, 2005 #3 B birdone Newbie level 6 Joined Sep 26, 2005 Messages 13 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 1,357 you can use coaxial filter