Mar 27, 2008 #1 2 2steps Newbie level 6 Joined Aug 3, 2006 Messages 13 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,352 Hi, all: I design 8GHz 180 hybrid couple using PCB microstrip to generate differential input signal to test 8GHz divider by2 circuit as figure shown,But I have a question: Is the Port 3 of the coupler is terminated by 50ohm load ,open or short ? Thanks!!!
Hi, all: I design 8GHz 180 hybrid couple using PCB microstrip to generate differential input signal to test 8GHz divider by2 circuit as figure shown,But I have a question: Is the Port 3 of the coupler is terminated by 50ohm load ,open or short ? Thanks!!!
Mar 27, 2008 #2 B biff44 Advanced Member level 6 Joined Dec 24, 2004 Messages 5,047 Helped 1,376 Reputation 2,748 Reaction score 1,056 Trophy points 1,393 Location New England, USA Activity points 37,910 50 ohm load is desired.