4A0857

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RF power dividers, or RF splitters, are electronic components used to split a signal across two or more outputs while still maintaining an equal signal level and impedance. The 4A0857 is a high performance RF power divider from Broadband Communications. This power splitter offers an excellent balance of size, cost, and performance.

The 4A0857 is specifically designed for use in wireless communication systems and is configured with four output ports with both intra-band and broadband signal splitting capabilities. It offers excellent VSWR performance, insertion loss of 0.2 dB or less, phase balance of 1.5° or less, port-to-port isolation of 24 dB or more, and low impedance of 50-Ohms. The power divider operates between the 800 and 2500 MHz frequency bands, making it suitable for a wide range of applications. It is also small, lightweight, and designed for easy integration into existing systems.

The primary purpose of the 4A0857 power divider is to split a broadband signal into two or more outputs with equal phase and amplitude. This can be used to send an identical signal to multiple receivers for consistency or to feed multiple antennas for reception. The power splitter also provides isolation between the ports so that any signal at one port will not be transmitted to the others.

The 4A0857 power splitter uses a combination of push-pull amplifiers, diode hybrids, and surface-mount resistors to achieve its various functions. The push-pull amplifiers, which are formed by two amplifiers placed in parallel opposite each other, are used to buffer the signal from the input port to the output port. The diode hybrids, which are formed by connecting three or four diodes in a particular configuration, are used to separate the signal from the input port and send it to the other ports with minimal distortion. The surface-mount resistors are used to divide the signal equally between the ports, while also ensuring that the impedance remains constant across the board.

The 4A0857 is an ideal solution for a variety of applications in the communications industry, such as digital cellular, WiMax, and wireless LAN. It is robust enough to withstand vibration, shock, and harsh environmental conditions and is designed to be easy to integrate into existing systems. Its combination of cost, performance, and form factor make it a great choice for a wide range of projects.

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