Author: Hou, A. S.

Source: International Journal of Electronics, Volume 92, Number 11, November 2005 , pp. 635-644(10)

Publisher: Taylor and Francis Ltd

Abstract:

In this paper, the current conveyors, up–down counter, and high-speed D/A converter are employed to implement the frequency-to-voltage converter (FVC). Based on a characteristics of successive-approximation technique, a conversion time less than one cycle of input signal can be achieved. Thus, the transient variations of input signal frequency can be detected rapidly. The input signal frequencies ranging from 55Hz to 2MHz are tested. The output ripple voltage is verified so little that no low-pass filter is needed. The experimental and simulation results demonstrate the static characteristics and dynamic responses of proposed FVC.

Keywords: Frequency-to-voltage converter; Current conveyor; D/A converter; Up–down counter

Document Type: Research article

DOI: http://dx.doi.org/10.1080/00207210500168634

Affiliations: 1: Department of Electronic Engineering, Southern Taiwan University of Technology, No. 1, Nan-Tai St., Yung-Kang city, Tainan Hsien, Taiwan 710, R.O.C.

Publication date: 2005-11-01

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