Avago has announced two low-noise, high-gain, high-linearity Gallium Arsenide (GaAs) balanced low noise amplifiers (LNAs) for cellular infrastructure applications. The MGA-16516/17516 are housed in a 4 x 4 x 0,85 mm surface mount 16-lead QFN package. The MGA-16516 operates from 500 to 1700 MHz, while the MGA-17516 operates from 1700 to 2700 MHz. They are designed for use with 3 dB hybrid couplers at the input and output of LNAs typically found in the front end of cellular base stations, combiners and transceiver radio cards. In a typical operating environment of 5 V and 50 mA per channel, the MGA-16516 delivers a 0,45 dB noise figure, 17,5 dB gain, 11,5 dBm input third order intercept point (IIP3), and 18 dBm output power at 1 dB compress point (P1dB) at 850 MHz. Under the same operating conditions, the MGA-17516 delivers enhanced performance of 0,52 dB noise figure, 17,2 dB Gain, 13,7 dBm IIP3, and 21,5 dBm output power at P1dB at 1850 MHz.
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