CP0402A1950ELTR

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RF directional couplers measure the power of radio frequency (RF) signals traveling in one direction while transferring only a fraction of the same power traveling in the opposite direction. A directional coupler, such as the CP0402A1950ELTR, is made up of an arrangement of passive components, including inductors and capacitors, that enable it to reject any signals traveling in the opposite direction. It is used mainly in communication applications where it is important to measure the RF power of transmitted signals while ensuring that no RF power gets reflected back toward the source.

The CP0402A1950ELTR directional coupler from Passives Plus is a single-ended design that provides efficient power transfer between two ports with minimal loss of the signal power. The coupler offers a frequency range of 0.7 – 5.5GHz, with a maximum insertion loss of 1.25dB across this range. The coupling factor ranges from 20.7 dB at 5.5GHz to 19.2 dB at 0.7GHz.

This directional coupler is designed with a wide dynamic range and low insertion loss to provide accurate power measurements for RF signals. It features a low profile package with a 6.0mm x 6.0mm x 3.0mm body, making it ideal for applications where space is at a premium. It requires a DC power supply of 3 – 5 volts with a maximum current draw of 25mA.

The CP0402A1950ELTR directional coupler works by using several transmission lines and a pair of reflection resistors. The transmission lines are arranged in a zig-zag pattern, creating four reciprocal couplings that are responsible for the transfer of power from one port to another. The reflection resistors are connected to the input and output of each transmission line and they allow the coupler to reject signals in the opposite directions.

The CP0402A1950ELTR directional coupler is mainly used in communication applications where it is important to measure the RF power of transmitted signals while ensuring that no RF power gets reflected back toward the source. Some common applications include antenna measurements in mobile phone base stations and wireless communication systems, power measurement in transmitters and receiver systems, and medical imaging and equipment.

The CP0402A1950ELTR directional coupler from Passives Plus is a high-performance product that meets the requirements of a wide range of communication applications. It offers low insertion loss, a wide frequency range, and a small package size, making it an ideal choice for customers seeking an efficient and reliable directional coupler.

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