1J0280-3

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RF Directional Couplers are used in a myriad of applications to measure and regulate the power within a transmission line and RF signal. The 1J0280-3 is a passive RF coupler designed by ETS-Lindgren to fit specific needs across multiple industries. This RF Directional Coupler includes an input, output, an isolated port (Signal Generators, Spectrum Analyzer, etc.) and a power port. It supports the measurement of reflected power whether in the forward or reverse direction.

The 1J0280-3 is made up of either seven or thirteen sections to enable regular alteration of line or load impedance through the use of different inner wall components. It is typically comprised of four- or seven-piece construction that has a generally rectangular profile and is designed to respond to off-nominal frequencies. The interior rows have high-conductivity electrical pathways where the signal is transmitted. Additionally, it is composed of a third row that acts as a balanced electrical barrier between the inner and outer wall. This creates an electrical field in between the two walls which helps to measure and improve the quality of the power received from the input.

The 1J0280-3 works by efficiently dividing the power in two directions without much attenuation or loss. It is designed to accurately measure the reflected power in both forward and reverse directions. The ground connections associated with the 1J0280-3 are located inside the device, making the connections very secure and reliable. Additionally, it is equipped with a dedicated ground bar located near the middle of the device for improved grounding performance and dissipates noise signals away from the system.

This RF Directional Coupler also has a wideband construction to provide improved isolation performance and a wide frequency range of operation. It is constructed with high-grade materials such as copper, brass, and high-performance insulation, enabling it to handle high-power applications. Furthermore, it features an operating frequency range from 8GHz up to 12GHz and a rising input impedance of 40 Ohms.

The 1J0280-3 is well-suited for many applications due to its wide frequency range, isolation, and accurate reflection power measurement capabilities. It is used in the military, medical, automotive, telecommunications, and other industries. In the military, it is used to accurately measure the power level and attenuation of various antennas. In medical applications, it is used to monitor various processes such as medical treatments and computerized tomography. In the automotive industry, it is used to control the power levels of a radar system, detect safety obstacles, and enable location-based services. In the telecommunications industry, it is employed in radio, television, and satellite communications to measure and regulate the power of an RF signal.

The 1J0280-3 RF Directional Coupler is a rugged and reliable component designed to measure and regulate transmission lines in a wide variety of applications. It has a wide frequency range with minimal loss and reflection, making it ideal for measuring the power of antennas, medical treatments, automotive radar, radio signals, and more. With its low price and high-performance, it is a valuable component for many industries.

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