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A wideband single-ended input, differential output balun-LNA is proposed for multi-standard wireless applications between 10 MHz and 3 GHz. The common-gate (CG) input stage in combination with a noise cancellation topology is adopted for wideband input matching and low-noise figure. An output stage with gm″ compensation technique is utilised to promote the limited gain of the CG input stage, and obtain...
In this paper, a distributed amplifier (DA) with a feed forward path is presented to reduce noise effects of input matching termination at the output. The proposed active termination (AT) technique also improves the amplifier gain without increasing its power consumption. To validate the introduced method, a four-stage wideband actively terminated DA (ATDA) is designed in a 0.18μm CMOS technology...
An ultra-wideband amplifier scheme is realized with two cascaded stages that are equalized for high-bandwidth and low gain ripple. The amplifier is implemented in a 0.12 mum SiGe BiCMOS process and achieves a 3 dB bandwidth of 102 GHz. The gain is 10 dB with less than 1.5 dB gain-ripple and group-delay variation under +/- 6 ps over the entire 3 dB bandwidth. The chip occupies an area of 0.29 mm2 including...
A broadband low-noise amplifier (LNA) in a 0.13 mum CMOS is presented. The LNA consists of two cascaded gain stages. The first stage is a resistive feedback amplifier for an input impedance matching, and the second stage is an inductive peaking amplifier for gain compensation. Measurement results exhibit a voltage gain of 14 dB and a gain variation less than 1.7 dB over the frequency range of 0.1...
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