Avago Technologies has added two miniature 0.25W analog variable gain amplifiers to its broad portfolio of amplifier products for use in cellular infrastructure applications. Housed in a compact 5x5x1.1mm, 10-lead module package, Avago’s ALM-80110/80210 variable gain amplifiers feature a common footprint for easy integration into most base station designs. Additionally, the devices offer high linearity and dynamic range performance and support all major cellular bands in North America, Europe and Asia.
The ALM-80110 operates from 0.4GHz to 1.6GHz, while the ALM-80210 operates from 1.6GHz to 2.7GHz and are ideal for use in WLL, WLAN, transmitter receiver gain control, and temperature compensation circuitry applications. Both amplifiers provide an exceptionally high Output 3rd Order Intercept Point (OIP3) level of 40dBm, which is maintained over a wide attenuation range. Additionally, these devices feature a wide gain control range, low power consumption, as well as excellent input and output return loss.
Avago’s ALM-80110/80210 variable gain amplifiers incorporate a unique solution which integrates Avago’s high linearity 0.25W amplifiers and silicon PIN diode-based pie attenuator into a miniature multiple-chips-on-board (MCOB) module package. Both of these amplifiers feature broadband fully-matched input and pre-matched output for ease of use and require a minimum amount of external RF matching components. Moreover, the high linearity and dynamic range performance of these amplifiers is achieved through the use of Avago’s proprietary 0.25µm GaAs enhancement-mode pHEMPT process and low distortion silicon pin diode technologies.
Avago Technologies
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