HMC494LP3ETR

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RF power dividers, in general, are a type of passive device which divides an input power signal into two or more equal output signals. The specific device type, the HMC494LP3ETR, is a three-way Wilkinson power divider that is used in commercial, industrial, and military applications. This device operates at a frequency range of 900 MHz to 3 GHz. It has integrated capacitor embedding into the PCB which enables the device to be terminated in higher impedance values than what is specified by the manufacturer. This increases the isolation between ports up to 30 dB.

In addition to the 900 MHz to 3GHz frequency range, the HMC494LP3ETR is a very wideband divider capable of handling signals up to 5.8 GHz. It also has a very low power dissipation with less than 1 watt per port which makes it an ideal choice for applications including small cell base stations, point-to-point communications, and military communications. The device can also handle signals up to 25 watts with an input VSWR of 1.35:1. In terms of performance, the HMC494LP3ETR offers low passband insertion loss, good port-to-port isolation, and low cost.

In terms of its working principle, RF power dividers directly split power from a source signal into two or more equal output signals. The particular HMC494LP3ETR utilizes an internal Wilkinson combiner to do this, which is formed by connecting several resistive and reactive elements in parallel. These elements provide for a low passband insertion loss as well as ease of harmonic rejection and frequency control. This device requires no external components as it has its own embedded elements inside of its enclosure.

The HMC494LP3ETR is used in numerous industries who require extended operating frequencies and high power handing capabilities. Commercial applications include satellite TV downlinks, cellular basestations, AV broadcasting, and Wi-Fi. Industrial applications such as test and measurement, RFID, and machine-to-machine communications can also benefit from this device. The high power handling combined with low power dissipation makes the HMC494LP3ETR ideal for military and aerospace communication systems such as spectrum monitoring, UAVs, and satellite communications.

In conclusion, the HMC494LP3ETR three-way Wilkinson power divider is an excellent choice for a variety of applications. The 900 MHz to 5.8 GHz range, low insertion loss, and high power handling capabilities make this a highly versatile RF power divider suitable for commercial, industrial, and military applications. Its embedded resistive and reactive elements along with its low-cost structure make it a great solution for any application requiring extended frequency range and/or distributed power.

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