Abstract
This letter presents a fully integrated distributed amplifier in a standard 0.18-μm CMOS technology. By employing a nonuniform architecture for the synthetic transmission lines, the proposed distributed amplifier exhibits enhanced performance in terms of gain and bandwidth. Drawing a dc current of 45mA from a 2.2-V supply voltage, the fabricated circuit exhibits 9.5-dB pass-band gain with a bandwidth of 32GHz while maintaining good input and output return losses over the entire frequency band. With a compact layout technique, the chip size of the distributed amplifier including the testing pads is 940×860μm <sup xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">2</sup> .
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