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This paper describes the design of 4.2 to 5.9 GHz CMOS power amplifier (PA) for applications in ultra-wideband (UWB) commuincations. The PA operates in the linear region over the input range of −12 dBm and delivers an output power of 6 dBm. The post layout simulations indicate the power added efficiency (PAE) is more than 35% at 5 GHz frequency and more than 20% between 4.2 GHz and 5.9 GHz. The input...
A Power Amplifier (PA) for wireless applications operating between 2.6 GHz and 3.4 GHz with power added efficiency (PAE) of more than 40% is presented in this paper. By varying the width of the PA transistor, the performance of the PA in terms of PAE and stability is studied. The PAE is more than 40% for the bandwidth of 800 MHz. The input matching circuit is implemented using on-chip transmission...
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