The Amplifier Research DC-7144A is a dual directional coupler, allowing both forward and reflected power to be monitored. Power Meters and Spectrum Analysers are typically utilised to measure the AR DC-7144A’s Forward and Reverse coupling ports.

Where would this be used? The AR DC-7144A can be used within both Radiated and Conducted Immunity systems for field / level control, in addition to amplifier and load protection.