Dec 25, 2006 #1 Z zlt7513 Newbie level 6 Joined Oct 7, 2005 Messages 12 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 1,356 Hi, everyone, I'm learning the RF's circuit. I want to know how to calculate the value of RFC(RF choke coil).
Hi, everyone, I'm learning the RF's circuit. I want to know how to calculate the value of RFC(RF choke coil).
Dec 25, 2006 #2 khouly Advanced Member level 5 Joined Oct 20, 2003 Messages 2,350 Helped 461 Reputation 916 Reaction score 101 Trophy points 1,343 Location EGYPT Activity points 13,242 Re: bias circuit the RF choke coil , 10 times the impedance at the point khouly
Dec 25, 2006 #3 Z zlt7513 Newbie level 6 Joined Oct 7, 2005 Messages 12 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 1,356 Re: bias circuit thanks. For example, at 433MHz, how much of th coil? Can I use the XL=2*Pi*f*L , 50ohm = 2*3.14*433M*L? then the L=? Is it right?
Re: bias circuit thanks. For example, at 433MHz, how much of th coil? Can I use the XL=2*Pi*f*L , 50ohm = 2*3.14*433M*L? then the L=? Is it right?
Dec 25, 2006 #4 khouly Advanced Member level 5 Joined Oct 20, 2003 Messages 2,350 Helped 461 Reputation 916 Reaction score 101 Trophy points 1,343 Location EGYPT Activity points 13,242 Re: bias circuit yeah , as a first order hand calculation yea, then u need to check with some RF simulator to check the circuit work well or not khouly
Re: bias circuit yeah , as a first order hand calculation yea, then u need to check with some RF simulator to check the circuit work well or not khouly
Dec 26, 2006 #5 Z zlt7513 Newbie level 6 Joined Oct 7, 2005 Messages 12 Helped 1 Reputation 2 Reaction score 1 Trophy points 1,283 Activity points 1,356 Re: bias circuit thank you very much
Dec 26, 2006 #6 dingjingfeng Full Member level 3 Joined Aug 12, 2005 Messages 189 Helped 17 Reputation 34 Reaction score 8 Trophy points 1,298 Activity points 2,243 bias circuit 10 times larger than the input impedence of the bias point