Harlan Howe has 34 years experience as a microwave design engineer and fifteen as publisher and editor of Microwave Journal ® , and is an IEEE Fellow and past president of MTT-S. He's here to answer your questions on RF and Microwave engineering.
Published August 25, 2006 From: Melanie Barclay, Scientific Research Corp. Dear Harlan, I am familiar with four-port couplers, but I am having trouble understanding the operation of a four-port, 20 dB coupler with two inputs. The port connections are as follows: J1=main signal; J2=output from coupler; J3=terminated (50 ohms);...
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