SBB-1089Z RF/IF and RFID

Series:	--
Packaging:	Tape & Reel (TR)
Part Status:	Discontinued at Digi-Key
Frequency:	50MHz ~ 850MHz
P1dB:	18dBm ~ 19dBm
Gain:	14dB ~ 17dB
Noise Figure:	3.5dB ~ 4.2dB
RF Type:	Cellular, GSM, PCS, UMTS
Voltage - Supply:	5 V ~ 5.3 V
Current - Supply:	82mA ~ 98mA
Test Frequency:	400MHz
Package / Case:	TO-243AA
Supplier Device Package:	SOT-89-3

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SBB-1089Z Application Field and Working Principle of RF Amplifiers

RF amplifiers are an integral component of many consumer electronics products, including TVs, radios, and Bluetooth speakers. They serve to improve the strength of signals, either by amplifying the signal directly or by increasing its signal-to-noise ratio. The SBB-1089Z, specific to the latching-style RF amplifier family, is an optimal choice for audio applications and is popular as a side-channel audio amplifier in many TVs. An RF amplifier is an electronic device that increases the strength of an input signal by amplifying it electrically, rather than mechanically. This is done by increasing the current, voltage, or power of the signal. This type of amplifier has a wide range of applications, from very low-frequency (VLF) up to ultra-high frequency (UHF) signals. They are used in a variety of applications, such as radio communications, TV broadcasting, wireless networks, and radar systems. The SBB-1089Z latching-style RF amplifier is the world’s smallest three-stage amplifier that significantly reduces the size and cost of the amplifying circuit. It offers an excellent power efficiency, low noise, and outstanding RF performance. Its low noise figure and low distortion make it an ideal choice for radio broadcast, TV broadcast, and stereo audio systems. The RF amplifier is composed of several stages of amplifier, consisting of gain stages, voltage amplifiers, and buffer stages. The gain stages receive a small input signal and amplify it in to a larger but still low-level signal while the voltage amplifiers increase the signal voltage without changing the signal-to-noise ratio. The buffer stage serves to isolate the input from the output, preventing the amplifier from being vulnerable to fluctuations in load impedance. The SBB-1089Z latching-style amplifier delivers increased conversion efficiency at a given power, due to its three stage design. It can provide up to 400 µV/V of gain, and boasts a noise figure of -40 dB or better. It is capable of maintaining high RF performance over a wide range of frequency responses, from low-frequency audio applications up to the high-frequency UHF band. It also offers short-term and overload protection, making it well suited for harsh environmental conditions. In summary, the SBB-1089Z latching-style RF amplifier is an ideal choice for applications requiring compact size, high performance, and robust overload protection. This amplifier is well suited for audio applications, as well as high-frequency and low-noise applications. Its high-efficiency and low distortion make it a reliable choice for many RF applications, from high-frequency broadcast systems up to the short-range wireless communication systems.

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