OSCAR18/X/NF/S/S/22

VSWR:	1.5
Applications:	Bluetooth, GPRS, GSM, UMTS, WLAN, Zigbee™
Height (Max):	2.559" (65.00mm)
Mounting Type:	Bracket Mount
Ingress Protection:	--
Termination:	Connector, N Female
Features:	--
Gain:	10dBi
Return Loss:	--
Series:	OSCAR 18
Number of Bands:	6
Antenna Type:	Yagi
Frequency Range:	--
Frequency (Center/Band):	850MHz, 900MHz, 1.8GHz, 1.9GHz, 2.1GHz, 2.4GHz
Frequency Group:	Wide Band
Part Status:	Active
Packaging:	Bulk

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<div> <h1>RF Antennas</h1> <div> RF antennas are extensively used in communication and radar systems for transmitting and receiving signals. The OSCAR18/X/NF/S/S/22, a type of antenna belongs to the class of RF antennas. This article provides an overview of the application field of OSCAR18/X/NF/S/S/22 as well as its working principle.</div> <h2>Application Field of OSCAR18/X/NF/S/S/22</h2> <div> The OSCAR18/X/NF/S/S/22 is an antenna system developed for space applications. It is primarily used for satellite communication, and its main goal is to send and receive data in high frequency bands. This type of antenna is often used for geo-stationary orbit applications, such as data, voice, and video transmission as well as direct satellite broadcasting. Because of its design, the OSCAR18/X/NF/S/S/22 can be pointed at the satellite from earth, providing a higher transmission efficiency than a standard dipole antenna.</div> <h2>Working Principle of OSCAR18/X/NF/S/S/22</h2> <div> The OSCAR18/X/NF/S/S/22 is an antenna system consisting of two antennas for transmitting (TX) and receiving (RX). The antenna is made up of a parabolic reflector made from lightweight aluminum. The parabolic reflector acts as a passive element which reflects the RF signals; in other words, it reflects the signals back to the finite distance from the center. This results in a wide frequency range of operation and offers superior performance.</div> <div> In order to ensure efficient transmission, the OSCAR18/X/NF/S/S/22 is equipped with a dual polarization. This means that the antenna can transmit and receive signals with two different polarizations. This provides better signal-to-noise ratio as well as increased power efficiency. In addition, the antenna is equipped with a decoupling circuit to reduce the effect of antenna-to-antenna coupling. The decoupling circuit also helps to reduce the interference from adjacent antenna systems.</div> <div> In order to prevent the occurrence of uncontrolled high gain, a gain-limiting circuit is used in the OSCAR18/X/NF/S/S/22 antenna. This circuit limits the gain to 3-dB. This prevents any unwanted heat up in the antenna which in turn prevents any mechanical stress or breakdown.</div> <div> The OSCAR18/X/NF/S/S/22 also offers high performance over a wide frequency range. This is achieved by using a optimized feed horn which provides a relatively flat gain response. In addition, the antenna is designed to be highly resistant to interference due to its low cross-polarization discrimination.</div> <h2>Conclusion</h2> <div>The OSCAR18/X/NF/S/S/22 is an antenna system specifically designed for space applications. It is a type of RF antenna that operates in high frequency bands and is used primarily for satellite communication. It can be pointed towards the satellite from earth to attain higher transmission efficiency. The antenna offers high performance with wide frequency range, excellent gain-limiting features, and excellent interference resilience.</div></div>

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