Low-Cost Amplifier Drives Small Stations

July 25, 2012
Small and efficient base stations are needed as wireless service providers hope to extend their coverage, and the low-cost model RFPA2089 power amplifier from RFMD is an ideal driver stage for these systems.

Small and efficient base stations are needed as wireless service providers hope to extend their coverage, and the low-cost model RFPA2089 power amplifier from RFMD is an ideal driver stage for these systems. It is a single-stage indium-gallium-phosphide (InGaP) amplifier housed in a SOT-89 package with frequency range of 50 to 2700 MHz. It provides 17.6 dB gain with 3.9 dB noise figure while consuming only 138 mA at +5 VDC.

The amplifier delivers +24 dBm (0.25 W) typical output power at 1-dB compression with an output third-order-intercept point of +38.5 dBm. Suitable for driving base-station transceivers and for use as an intermediate-frequency (IF) amplifier, it can handle input-power levels to +11 dBm and operating temperatures from -40 to +85°C. It is meant for linear operation, with -60 dBc adjacent-channel power ratio (ACPR) at +13 dBm WCDMA channel power. Prices start at only $1.84 each for 750 pieces.

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