Frequency-domain analysis of nonlinear electronic circuits in a general purpose c.a.d. program in APL
作者:
D.A.Zein,
C.W.Ho,
期刊:
IEE Journal on Electronic Circuits and Systems
(IET Available online 1979)
卷期:
Volume 3,
issue 1
页码: 39-44
年代: 1979
DOI:10.1049/ij-ecs.1979.0007
出版商: IEE
数据来源: IET
摘要:
The small-signal frequency-domain analysis of linear and nonlinear electronic circuits has been implemented in a general purpose c.a.d. program in APL. The techniques used include a parallel pivoting and ordering scheme, and APL-oriented parallel algorithms to enhance speed and save storage. An algorithm for solving simultaneous complex algebraic equations is implemented which has the advantages of leaving the circuit-matrix structure invariant in the d.c, a.c. and transient cases. A highly nonlinear circuit of 450 branches, analysed at 40 frequency points, took approximately 3 min of c.p.u. time on the IBM 370/168 machine and the program and data fitted in less than 112K bytes of storage. The turn-around time was approximately 8 min
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