May 29, 2007 #1 Z zhaofeng1983 Member level 3 Joined May 23, 2007 Messages 54 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,634 Do most trasceiver use PCB layout instead of a antenna product nowdays? How to connect the antenna with the PA output? Does it work as the PA choke or connect with a matching network?
Do most trasceiver use PCB layout instead of a antenna product nowdays? How to connect the antenna with the PA output? Does it work as the PA choke or connect with a matching network?
May 29, 2007 #2 khouly Advanced Member level 5 Joined Oct 20, 2003 Messages 2,350 Helped 461 Reputation 916 Reaction score 102 Trophy points 1,343 Location EGYPT Activity points 13,242 Antenna connection most of the PA modules are internlly matched to 50 ohm , so all u need a 50 ohm PCB trace to the duplexer and from the duplexer to antenna connector but if ur designing ur PA , then u need to design the matching network by urelf khouly
Antenna connection most of the PA modules are internlly matched to 50 ohm , so all u need a 50 ohm PCB trace to the duplexer and from the duplexer to antenna connector but if ur designing ur PA , then u need to design the matching network by urelf khouly
May 29, 2007 #3 Z zhaofeng1983 Member level 3 Joined May 23, 2007 Messages 54 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,634 Antenna connection Does general antenna has a connection to power supply vdd?
May 29, 2007 #4 khouly Advanced Member level 5 Joined Oct 20, 2003 Messages 2,350 Helped 461 Reputation 916 Reaction score 102 Trophy points 1,343 Location EGYPT Activity points 13,242 Antenna connection no , in the antennas i work with no , i am using antennas for the cellular and PCS and WCDMA band , for Fixed wireless terminals khouly
Antenna connection no , in the antennas i work with no , i am using antennas for the cellular and PCS and WCDMA band , for Fixed wireless terminals khouly
May 29, 2007 #5 N noorm Newbie level 5 Joined May 26, 2007 Messages 8 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,319 Antenna connection Dear All If any one has the the tutorial about conversion of s-y and z parameters. Thanks
Antenna connection Dear All If any one has the the tutorial about conversion of s-y and z parameters. Thanks
May 29, 2007 #6 Z zhaofeng1983 Member level 3 Joined May 23, 2007 Messages 54 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,634 Re: Antenna connection Enclosed is a transformation table for S,Y,Z parameters.Hope it will be helpful.
Re: Antenna connection Enclosed is a transformation table for S,Y,Z parameters.Hope it will be helpful.
May 29, 2007 #7 Z zhaofeng1983 Member level 3 Joined May 23, 2007 Messages 54 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,634 Antenna connection khouly, could u show me some links to differential antenna products which has a 250ohm resistance?Thank u!
Antenna connection khouly, could u show me some links to differential antenna products which has a 250ohm resistance?Thank u!
May 29, 2007 #8 khouly Advanced Member level 5 Joined Oct 20, 2003 Messages 2,350 Helped 461 Reputation 916 Reaction score 102 Trophy points 1,343 Location EGYPT Activity points 13,242 Antenna connection 250 ohm , or 5o ohm khouly
May 31, 2007 #9 Z zhaofeng1983 Member level 3 Joined May 23, 2007 Messages 54 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,286 Activity points 1,634 Antenna connection 250 ohm Added after 12 minutes: khouly, do u know how to model the pad and bonding wire? And how much attenuation should be considered in matching network?
Antenna connection 250 ohm Added after 12 minutes: khouly, do u know how to model the pad and bonding wire? And how much attenuation should be considered in matching network?