Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Obsolete
Frequency:	0Hz ~ 8GHz
P1dB:	18.4dBm ~ 19.4dBm
Gain:	17dB ~ 19dB
Noise Figure:	3.9dB ~ 4.4dB
RF Type:	Cellular, PCS, GSM, UMTS
Voltage - Supply:	4.5 V ~ 5.3 V
Current - Supply:	72mA ~ 88mA
Test Frequency:	1.95GHz
Package / Case:	TO-243AA
Supplier Device Package:	SOT-89-3

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Introduction

Signal Booster & Wireless (SBW) is a Singapore based manufacturer of RF amplifiers and broadcast equipments and devices. One of their products is the SBW-5089, an RF amplifier that is used in a wide variety of commercial and residential applications. This article will discuss the application fields and working principle of SBW-5089 RF Amplifier.

Application Fields of SBW 5089

The SBW 5089 RF amplifier is a class AB linear amplifier designed to provide a wide range of coverage and gain. The amplifier covers the 50MHz to 900MHz range, and can handle ratings of up to 15W. This makes it suitable for a variety of applications ranging from consumer electronics to high-power broadcasting and telecommunications. Consumer ElectronicsIn consumer electronics, the SBW 5089 is used to boost signal strength and provide an improved transmission range. It is commonly used in radio systems and personal communication devices such as cell phones. BroadcastingThe SBW 5089 is also used in professional broadcasting systems and RF networks. It provides high-gain and wide bandwidth for low power FM and enhanced AM broadcasting applications. It is also used in hi-fi and home theater systems, providing reliable sound reinforcement and improved signal coverage. TelecommunicationsIn telecommunications, the SBW 5089 is used to boost signals in Long Range Wireless (LWR) networks, cellular networks, and satellite networks. It is the perfect choice for applications such as conference calls, video conferencing, and remote monitoring.

Working Principle of SBW 5089

The SBW 5089 utilizes a linear amplifier design to provide consistent signal strength and clarity. The amplifier consists of two distinct stages: the power input stage and the power output stage. The input stage consists of a voltage amplifier, a frequency converter, and a predistortion stage. The output stage consists of amplifier modules, a filter, and a linearization network. The linearization network ensures that the RF signal is of the highest quality and without any distortions. The amplifier is powered by a DC power supply with a voltage range of +18V to +25V. It is designed to operate at 50Ω impedance, at a maximum of 20dB gain and 50dB output power. It has a high signal-to-noise ratio (SNR), low harmonic distortion (THD), and excellent third-order intercept (IP3).

Conclusion

The SBW 5089 RF amplifier is an excellent choice for a wide variety of applications. It is designed to provide maximum coverage and signal strength, and is suitable for consumer electronics, broadcasting, and telecommunications applications. The amplifier utilizes a linear amplifier design to ensure consistent signal strength and clarity. It is powered by a DC power supply and operates at 50Ω impedance, providing a maximum of 20dB gain and 50dB output power.

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