MGA-52543

MGA-52543 Low Noise Amplifier Data Sheet Description Avago Technologies’ MGA-52543 is an economical, easyto-use GaAs MMIC Low Noise Amplifier (LNA), which is designed for use in LNA and driver stages. While a capable RF/microwave amplifier for any low noise and high linearity 0.4 to 6 GHz application, the LNA focus is Cellular/PCS base stations. To attain NF condition, some simple external matching is min required. The MGA-52543 features a calculated NF of 1.61 min dB and 15 dB associated gain at 1.9 GHz from a cascode stage, feedback FET amplifier. The input and output are partially matched to be near 50 Ω. For base station radio card unit LNA application where better than 2:1 VSWR is required, a series inductor on the input and another series inductor on the output can be added externally. The resulting Noise Figure is typically 1.9 dB with 14 dB Gain at 1.9 GHz. With a single 5.0V supply, the LNA typically draws 53 mA. This alignment results in an Input Intercept Point of 17.5 dBm. The MGA-52543 is a GaAs MMIC, fabricated using Avago Technologies’ cost-effective, reliable PHEMT (Pseudomorphic High Electron Mobility Transistor) process. It is housed in the SOT-343 (SC70 4-lead) package. This package offers miniature size (1.2 mm by 2.0 mm), thermal dissipation, and RF characteristics. Surface Mount Package SOT-343/4-lead SC70 Features  Lead-free Option Available  Operating frequency: 0.4 GHz ~ 6.0 GHz  Minimum noise figure: 1.61 dB at 1.9 GHz  Associated gain : 15 dB ...