A directional coupler is used to sample a small amount of input signal power for measurement purposes. Port 1 is the input port; port 2 is the output port; port 3 is the coupled port; port 4 is the ...

In previous editions of Tech Tips I”ve mentioned the fact that we”re always looking for tech tips from engineers working in the field. This month we”ve got two excellent submissions. First we”ll take ...

Electronics Research Inc. will show a new family of precision directional couplers at the NAB Show. The coaxial directional couplers are available for 1-5/8, 3-1/18, 4-1/16 and 6-1/8-inch coaxial ...

Confession time: I have always been somewhat intimidated by and in awe of microwave electronics. Experts in that field have always struck me as being spookily skilled in the conjuring arts. In the ...