Jul 8, 2008 #1 3 3bweh Newbie level 6 Joined Dec 7, 2005 Messages 11 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,356 i a designing a broadband amplifier 2-4 GHz iam faceing a problem regarding the DC bias network; it seems that i cant design a blocking network to block DC at RF freq. Need help and suggestions for the whole bias network and a way to design the blocking network thanks
i a designing a broadband amplifier 2-4 GHz iam faceing a problem regarding the DC bias network; it seems that i cant design a blocking network to block DC at RF freq. Need help and suggestions for the whole bias network and a way to design the blocking network thanks
Jul 9, 2008 #2 S shogun Member level 1 Joined Feb 4, 2003 Messages 36 Helped 3 Reputation 6 Reaction score 2 Trophy points 1,288 Location Forests of Japan Activity points 309 Re: DC bias networks What frequency range are you working with, a Simple DC block is a capacitor that has a self resonant frequency well above what you are working on. Regards Shogun
Re: DC bias networks What frequency range are you working with, a Simple DC block is a capacitor that has a self resonant frequency well above what you are working on. Regards Shogun
Jul 9, 2008 #3 G GVVIN Advanced Member level 4 Joined Apr 11, 2008 Messages 110 Helped 21 Reputation 42 Reaction score 3 Trophy points 1,298 Activity points 2,048 Re: DC bias networks I guess what you want is a biasing circuit that blocks RF signal going into DC lines. correct ???
Re: DC bias networks I guess what you want is a biasing circuit that blocks RF signal going into DC lines. correct ???
Jul 9, 2008 #4 3 3bweh Newbie level 6 Joined Dec 7, 2005 Messages 11 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,356 Re: DC bias networks yep ... thats it which also blocks DC from going to RF at high frequencies ive tried a lot of things but still face problems
Re: DC bias networks yep ... thats it which also blocks DC from going to RF at high frequencies ive tried a lot of things but still face problems