SLPT698/2170DMN

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RF Antennas

RF antennas provide an essential link between radio frequency (RF) signals and a transceiver (or other device) for transmitting and receiving information. The SLPT698/2170DMN antenna is designed to provide that link by combining high performance gain with a small-size form factor. This article will discuss the application field and working principles of the SLPT698/2170DMN antenna.

Application Field

The SLPT698/2170DMN antenna is designed for broadband applications that require high performance gain and wide bandwidths. It is suitable for numerous applications including mobile communications, wireless local area networks (WLANs), Global Positioning Systems (GPSs), radio systems, public safety systems, broadcast services, and other similar wavelength-dependent systems. The antenna operates within the 698 MHz - 2.17 GHz frequency range and offers an 8dBi peak gain performance.

Design

The SLPT698/2170DMN antenna is marked by its diminutive size, yet powerful gain. It measures 25 mm x 25 mm x 5 mm and is designed to fit into space-limited applications. The antenna is constructed with two low-loss radiating elements formed in a patented dual polarization structure with an integral balun. The antenna format ensures a well-balanced gain pattern and low levels of multipath reflectance. To provide excellent gain performance, the antenna elements are driven from the center allowing more efficient delivery and receipt of signals.

Working Principle

The SLPT698/2170DMN operates on the dual-polarity radiating system. This system works by radiating two antennas in a single unit while achieving a double voltage. It outdoes conventional single-polarity antennas by utilizing two separate radiating elements, with radiating being fed from the center. By incorporating two antennas in the same physical housing, it further boosts this efficiency by reducing the footprint. This allows for a highly directional signal transmission as well as a high level of gain. The two radiating elements create an additive signal, resulting in more efficient signal transmission.

Summary

The SLPT698/2170DMN antenna is a space-saving, high-gain antenna designed for demanding applications including mobile communications, wireless LANs, radio systems, and broadcast services. With a size measuring 25 mm x 25 mm x 5 mm, the dual-polarity antenna is capable of 8dBi peak gain performance thanks to its integral balun. The 2-polarized system works to create an additive signal for increased efficiency by radiating two antennas within the same unit while achieving a double voltage.

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