),另一个是Gm-boosting amplifier,一般用在Source Degeneration结构的PGA中,以提高电路的线性度。 (1)SSF 其中A_0=g_{m1}r_{o1} . 故SSF也可以看成是CS+Gm-Boosting的结构: 利用负反馈知识(采样电压-反馈电压),可以得到电路输出电阻 R_{out}: R_{out}=\frac{r_{o2}}{1+g_{m2}r_{o2}g_{m1}...
A folded-cascode amplifier () having a small signal gm being boosted and transferred from the input stage to the output stage to reduce current consumption and expand bandwidth. The amplifier has a pair of second amplifiers (A) operating as boosting amplifiers that provide a pole at its output...
This paper presents a capacitor cross-coupled g m-boosting scheme for differential implementation of common-gate transimpedance amplifier (CG-TIA). A differential transimpedance amplifiers (DTIA) is designed by this scheme using two modified floating-biased CG stage with improved low corner frequency. ...
In July 2024, Guerrilla RF, Inc. announced the launch of its new GRF5112, a broadband pre-driver designed for wireless infrastructure. This highly linear power amplifier is distinguished by its exceptional compression and performance across a broad frequency range, making it ideal for diverse applic...
The car amplifier market size exceeded USD 2.3 billion in 2024 and is projected to showcase around 5.5% CAGR from 2025 to 2034, driven by the surging demand for high-quality in-car entertainment systems.
Frequency synthesizer adopted in such systems should provide a clock reference with a wide frequency range, whereas spectral purity and large output power toward the power amplifier (PA) are also a desire. In a voltage-controlled oscillator (VCO)-based frequency synthesizer, the power and in-band...
Agmboosting amplifier used at the intermediate node of the cascode topology to reduce the noise contribution of the common base (CB) transistor for the first time in SiGe HBT technology. Mathematical analysis shows that the proposed high frequencygmboosting technique on the CB transistor can be ...
A two-stage Miller-compensated amplifier with cross-coupled Gm-boosting structure is presented in this paper. The proposed Gm-boosting cell is able to increase the effective transconductance of the second gain stage such that the bandwidth can be substantially increased. Additionally, the required ...
G(m)-boosting techniqueInductorlessLow-noise transconductance amplifierWidebandIn this paper, a new gm-boosting design technique for wideband inductorless low-noise transconductance amplifiers (LNTA) is presented, resulting in optimal input matching, and noise and linearity performance. The proposed ...
gm-boostingNoise cancellationBalun operationThis paper presents a 100 MHz to 6 GHz broadband inductor-less single-to-differential balun gm-boosting low-noise amplifier (LNA) for multi-standard radio applications. Two mechanisms of noise cancellation techniques have been innovatively introduced in this ...