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 ...

Coming out of the NAB Show, it’s time to look back at things that got overlooked among the razzle-dazzle of Las Vegas. At the show Electronics Research/ERI introduced a series of directional couplers.

Parsippany, N.J. — Microlab/FXR, a wholly owned subsidiary of Wireless Telecom Group, Inc., has introduced its CK-70N series of directional couplers for wireless applications. These directional ...

Knowing the directivity specification of your measurement device can go a long way in setting measurement expectations. Directional power measurements are important when determining transmitter output ...

Researchers developed a chip-based single-phonon directional coupler that carries out controllable splitting and achieves quantum-level performance. The device could enable microscopic on-chip routers ...