2023年6月25日 · A high-performing, power-efficient Adaptive Biased Voltage Differencing Buffered Amplifier (AB-VDBA) is presented in this paper. The proposed structure is designed using three sub-units – Voltage Differencing Unit (VDU), i.e., OTA, Current Subtractor Unit (CSU) and Buffer Amplifier Unit (BAU).

2019年7月30日 · A low‐voltage, high‐performance voltage differencing buffered amplifier (VDBA) designed using differential flipped voltage followers (DFVF) is presented in this paper. The proposed VDBA is capable of providing high transconductance and wide bandwidth (BW) with low biasing currents and buffer transfer ratio close to unity.

A CMOS voltage differencing buffered amplifier (VDBA), whose transconductance gain can be varied linearly by the external DC bias current, is described in this paper. A current squaring circuit is used for biasing the transconductance amplifier with improved wide-input dynamic range, yielding electronically and linearly tunable transconductance.

2021年1月1日 · This work presents filter applications of carbon nanotube field effect transistors (CNTFET) voltage differencing buffered amplifier (VDBA) based high frequency universal filters using 32 nm CNTFET technology of Stanford University model.

This paper demonstrates a voltage-mode universal biquadratic filter employing a voltage differencing buffered amplifier (VDBA), one resistor and two capacitors. The proposed filter design has the ability of realizing all the five standard biquadratic filter functions i.e. band pass, high pass, low pass, band reject and all pass without changing ...

本文介绍了一种使用差分翻转电压跟随器（DFVF）设计的低压高性能差分缓冲放大器（VDBA）。 拟议的VDBA能够提供高跨导和宽带宽（BW），偏置电流低，缓冲传输比接近于1。 通过低频小信号分析推导了跨导和缓冲液转移率的数学公式。 使用gpdk0.18μmCMOS工艺参数在Cadence Virtuoso上进行了拟议结构表征的前后布局仿真。 对于10至75μA的相应偏置电流范围，观察到建议的VDBA的跨导在411.8μS至1.374 mS之间变化，并且记录的3-dB带宽（BW）为1.2 GHz。 …

2024年8月22日 · In this paper, a novel approach is introduced for the development of a power-efficient voltage differencing buffered amplifier (VDBA) by incorporating an adaptive biasing circuit. The proposed design is specifically tailored to exhibit low power consumption.

2022年1月25日 · In this research, a first-of-a-kind VDBA-based MISO type mixed-mode universal filter is proposed that can work in all four modes of operation, providing all five filter responses. The proposed structure without any change in the core topology can also function as a SIMO filter providing CM output.

2014年2月1日 · In this paper, new lossless grounded inductance simulator employing only one voltage differencing buffer amplifier (VDBA) and two passive components is proposed. The aim of this paper is to present new inductance simulator using the minimum number of active and passive components.

In this paper, a new topology for a third order quadrature oscillator (QO) using a new active element, voltage differencing buffered amplifier (VDBA) is proposed. The proposed QO topology is implemented using a meld of lossless and lossy integrators that produce sinusoidal oscillations equally spaced in time with phase shift of 90 degrees.