Realization of DVCCTA Based Versatile Modulator

IF 1.3 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Active and Passive Electronic Components Pub Date : 2014-10-27 DOI:10.1155/2014/342785

N. Pandey, R. Pandey, Aseem Sayal, M. Tripathi

引用次数: 2

Abstract

A Differential Voltage Current Conveyor Transconductance Amplifier (DVCCTA) based versatile modulator is proposed which can work as an amplitude modulator, frequency modulator, delta modulator, and sigma delta modulator. The modulator operational scheme uses pulse generator as a core and its output is used as carrier signal. A DVCCTA based pulse generator is proposed first and subsequently configured as different modulators. Compact realization is the key feature of the proposed circuit as it uses two DVCCTA; a grounded resistor and a grounded capacitor hence are appropriate for IC realization. The functionality of the proposed circuit is verified through SPICE simulations using TSMC 0.25 μm CMOS process model parameters. The performance parameters such as power dissipation and noise for various modulator schemes are also obtained.

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基于DVCCTA的多功能调制器的实现

提出了一种基于差压电流输送跨导放大器(DVCCTA)的通用调制器，该调制器可作为幅值调制器、频率调制器、增量调制器和σ增量调制器。调制器工作方案以脉冲发生器为核心，其输出作为载波信号。首先提出了一种基于DVCCTA的脉冲发生器，并将其配置为不同的调制器。紧凑的实现是该电路的关键特点，因为它使用两个DVCCTA;因此，一个接地电阻和一个接地电容适合于集成电路的实现。采用台积电0.25 μm CMOS工艺模型参数，通过SPICE仿真验证了所提电路的功能。得到了各种调制器方案的功耗和噪声等性能参数。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Active and Passive Electronic Components ENGINEERING, ELECTRICAL & ELECTRONIC-

CiteScore

1.30

自引率

0.00%

发文量

审稿时长

13 weeks

期刊介绍： Active and Passive Electronic Components is an international journal devoted to the science and technology of all types of electronic components. The journal publishes experimental and theoretical papers on topics such as transistors, hybrid circuits, integrated circuits, MicroElectroMechanical Systems (MEMS), sensors, high frequency devices and circuits, power devices and circuits, non-volatile memory technologies such as ferroelectric and phase transition memories, and nano electronics devices and circuits.

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