V.2 No 1

1 (appendix)

Respond to Dr Scanlan on ladder filters

Respond to the review by Dr J.O. Scanlan, Chief Editor of International Journal of Circuit Theory and Applications, of 14.07.04

Dear Dr Scanlan,

The Reviewer showed his solution in the following form:

From this, for forced oscillations

where

We considered in our paper the  -type ladder filter (see Fig. 1).

Fig. 1. The ladder filter considered in the paper under review

A chain of this filter has the shape shown in Fig. 2:

Fig. 2. A chain of -type ladder filter

Its matrix is [1, p. 564]

Thus,

This infers