In this paper we present low-power 77-GHz power amplifier (PA) for the long range automotive radar. The proposed amplifier is designed using TSMC 0.13-μm RF CMOS (fT/fmax=120/140 GHz) technology, and it is powered by a 1.5V supply. To reduce power dissipation, we consider bias voltage, transistor size optimization, matchings and layout optimization. To improve power gain of the amplifier, it ha...

This paper features a radical and highly accurate method of designing a microwave amplifier. A Full-wave Electromagnetic Simulator, which is based on the Methodof-Moments (MoM) numerical method, is used in parallel with the conventional microwave circuit simulator to demonstrate a superior performance outcome such as Stability, Return Loss and Small Signal Gain. This method known as EM/Circuit ...

Received Sep 19, 2017 Revised Dec 30, 2017 Accepted Jan 17, 2018 This paper presents the development of low noise amplifier integrated circuit using 130nm RFCMOS technology. The low noise amplifier function is to amplify extremely low noise amplifier without adding noise and preserving required signal to a noise ratio. A detailed methodology and analysis that leads to a low power LNA are being ...

In this paper, we experimentally investigate the performance of an efficient high gain triple-pass L-band ErbiumDoped Fiber (EDF) amplifier structure with a single pump source. The amplifier gain and noise figure variation with EDF pump power, input signal power and wavelengths have been investigated. The generated backward Amplified Spontaneous Emission (ASE) noise of the first amplifier stage...

AbstractChopping is a proficient way to reduce the low frequency offset and 1/f noise in amplifiers. In this paper, a low power low noise CMOS chopper amplifier is presented. It is composed of a two stage amplifier. The first stage’s high output impedance and the equivalent Miller capacitance of the second stage constitute together a low pass filter, which reduces the power consumption. The cir...

Nonlinearity estimation and spectral regrowth prediction are crucial to power amplifier linearization. The correlation techniques shown here can estimate amplifier nonlinearity and predict out-of-band power spectrum. Crosscorrelation is performed between the output envelope and a test sequence generated from the input signal and can be carried out in background during amplifier operations. The ...

This paper presents a fixed gain high output power amplifier with performance determined by using on-wafer measurement. The amplifier is fully differential based on inductive load and resistive degeneration which is designed using a 0.18 μm SiGe BiCMOS process. The amplifier achieves power gain of 7.2 dB, 3-dB bandwidth of 2.06 GHz, operating frequency of 12 GHz, power consumption of 12 mW usin...

A novel active feedback frequency compensation scheme is presented in this work. Based on the proposed technique, an amplifier with two main poles in its frequency bandwidth can be easily compensated by introducing a pole-zero pair in a local feedback. The proposed method is mathematically analyzed and then based on the derived formulations, a design procedure is established. The capability of ...