RF Micro Devices has released the RF3305 high linearity amplifier for use in wireless infrastructure applications. It is designed to meet industry specific reliability and thermal requirements to exceed life tests of wireless infrastructure applications. Packaged in 3 x 3 mm QFN, it is footprint compatible with standard SOT-89 packages. As a pre-driver for the transmit chain, the RF3305 is ideal for use in CDMA and WCDMA applications that require high linearity and low noise figure over a wide dynamic range of 300 MHz to 3000 MHz. The RF3305 operates from a single 5,0 V power supply with a 40 dBm output IP3. The amplifier exhibits 12,5 dB gain, 23 dBm output power, and 3 dB noise figure with an operating current range of 150 mA. The RF3305 is thermally reliable with an 88°C/W Theta JC and a mean time to failure of 542 years.
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