Practical Filters and Couplers: A Collection from Applied Microwave & Wireless
With contributions from more than 20 experts, these articles will show you how to use the latest design and testing techniques for filters, couplers and baluns.
TABLE OF CONTENTS Practical Filters and Couplers: A Collection from Applied Microwave & Wireless
Unity-Gain Low-Pass
Figure 1 shows a unity-gain low-pass filter. The transfer function for this filter is given by (1), where K 0=1 and
Solution of the above equations gives:
and
Figure 1: Low-pass unity-gain filter.
Using the given substitutions for a 1, a 2, and a 3 and solving the cubic yields:
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