Comment on "realization of series and parallel R-L and C-D impedances using single differential voltage current conveyor"

被引:11
|
作者
Yuce, Erkan [1 ]
机构
[1] Pamukkale Univ, Dept Elect & Elect Engn, TR-20017 Kinikli Denizli, Turkey
关键词
parallel; (L)-(R); simulator;
D O I
10.1007/s10470-006-8859-1
中图分类号
TP3 [计算技术、计算机技术];
学科分类号
0812 ;
摘要
The comment is related to the recently published paper given in [ 1] dealing with the implementation of series and parallel R-L and C-D impedances using a single differential voltage current conveyor (DVCC). Nevertheless, straightforward analysis of the circuit in Fig. 3(b) of [ 1] and also given in Fig. 1 shows that it has a problem because it makes its input voltage V-in = 0. Therefore, it can not realize parallel (-L) -(-R) simulator as claimed in [ 1]. Alternatively, a circuit given in Fig. 2 for realizing parallel (- L) -(- R) simulator employing a single minus-type DVCC (DVCC-) and a minimum number of passive components is proposed. The introduced circuit employs a grounded capacitor, and requires no critical component matching constraints thus it is suitable for fully integrated circuit technology. If plus-type DVCC (DVCC+) is replaced instead of the DVCC-, this proposed simulator can realize parallel ( L) -( R) simulator.
引用
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页码:91 / 92
页数:2
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