AD9860BSTZ

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The AD9860BSTZ RF Front End (LNA + PA) provides effective solutions for controlling the signal strength and stability of various wireless devices. The device combines a low-noise amplifier (LNA) and power amplifier (PA) into a convenient package, and has been designed to meet the stringent requirements of wireless applications. In addition, the device includes features such as low noise figure, high linearity, and wide bandwidth.

AD9860BSTZ is an ideal RF Front End solution for wireless communication systems, including cellular terminals, WiMAX transmitters and receivers, WLAN systems and many other applications. Furthermore, the device can be used in down-conversion stages of a GSM telco system, for example before the base band input of the digital signal processor (DSP) where it is responsible for amplifying the incoming signal and increasing the signal-to-noise ratio of the signal.

The working principle of the AD9860BSTZ RF Front End is based on a three-stage approach, in which a low-noise amplifier provides amplification for a received signal, the power amplifier then amplifies the incoming signal and the down converter redirects the signal to the digital signal processor. The Low-Noise Amplifier (LNA) is responsible for amplifying the incoming signal in order to improve its signal-to-noise ratio. The Power Amplifier (PA) then raises the signal-to-noise ratio of the signal, as well as increasing its overall power. Finally, the down converter re-maps the signal to a frequency range which is compatible with the DSP, reducing the signal-to-noise ratio to its lowest acceptable value.

In addition to its three-stage approach, the AD9860BSTZ also features an on-chip Variable Gain Amplifier (VGA). This allows the signal gain to be adjusted for different applications, offering a more flexible solution. The VGA also offers wide-ranging adjustment of signal power with over 20 dB of range, so it can be matched to different applications. Finally, the AD9860BSTZ includes a high performance noise figure (NF) of 0.7dB, which helps to keep noise generated by the circuit low while maintaining effective performance.

The AD9860BSTZ is a versatile solution for a wide range of wireless applications. It offers a low-noise, high-linearity, and wide-bandwidth LNA and PA in one convenient package. Furthermore, the device includes an adjustable VGA for added flexibility, and a low NF of 0.7dB. This makes the AD9860BSTZ an excellent choice for wireless communication systems.

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