2002•Facta universitatis - series Electronics and EnergeticsOpen access

Pre-Power Amplifier for 5.2 - 5.8 GHz Band

Burak Kelleci, O. Palamutcuoglu

Abstract

The design of a low-voltage and broadband pre-power amplifier for 5.2 GHz-5.8 GHz band is presented. The purpose of the pre-power amplifier is to separate the external power amplifier and internal mixer to deliver the required input power to the power amplifier. The amplifier is designed in 0.35 \um. SiGe technology. Differential topology is used in order to reduce the effect of the bonding inductances. The amplifier is optimized for maximum yield. The simulation results of the amplifier show 0 dBm output power with 13 dB gain. The gain variation is less than 0.5 dB in band.

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Available abstract

Key concepts: Direct-coupled amplifier, Linear amplifier, RF power amplifier, Cascade amplifier, Power-added efficiency, Amplifier, Fully differential amplifier, Power bandwidth