Abstract
This paper presents two linear broadband inductorless Low Noise Transconductance Amplifiers (LNTA) featuring high linearities for large signal (P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1dB</sub> ) and small signal (IIP3). The LNTAs utilize the complementary characteristics of NMOS and PMOS transistors to enhance the linearity. First prototype is a fully balanced current reuse LNTA achieving 0.12GHz bandwidth, minimum NF of 3dB, IIP3 of 10.8dBm and P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">1dB</sub> of 0dBm while dissipating 35mW. Second prototype proposes a low power bulk driven LNTA with 20mW of power consumption achieving comparable performances. Each LNTA occupy 0.06mm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> in 45nm CMOS.
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