NDLI: The Stepped Cavity Coupled Elliptic Filter

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Foreword, 1969 G-MTT International Microwave Symposium

Technical Program, 1969 G-MTT International Microwave Symposium

Introductory Session, 1969 G-MTT International Microwave Symposium

Wave Propagation in Microstrip Transmission Lines

Interdigitated Strip-Line Quadrature Hybrid

Filtering, Frequency Multiplexing, and Other Microwave Applications with Inverted-Common-Collector Transistor Circuits

A 3:1 Bandwidth Low Noise Mixer

A Hybrid Integrated L-Band Digital Phase Shifter

4GHz Multi-Stage Transistor Amplifier

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Dependence of Stripline Performance on Dielectric Properties and Packaging Techniques

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The Stepped Cavity Coupled Elliptic Filter

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200 Watt Solid State UHF Amplifier

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The Stepped Cavity Coupled Elliptic Filter

Content Provider	IEEE Xplore Digital Library
Author	Rhodes, J.D.
Copyright Year	1969
Abstract	A design procedure is presented whereby compact, narrow-band (<30%) T.E.M. line, band-pass, elliptic function filters may be realized. The proposed realization is in the form of a stepped impedance, digital n-wire line which is one half of a wavelength long at midband and short circuited to ground at both ends, where the digital line is stepped in impedance along any arbitrary prescribed plane in the filter. Due to its physical form and the mode of electrical operation, the filter has been called "The Stepped Cavity Coupled Elliptic Filter". Recently, "The Stepped Digital Elliptic Filter" has been proposed as a realization of the narrow-band, band-pass elliptic filter and consisted of a stepped impedance digital n-wire line , one quarter of a wavelength long at mid-band where the line was shorted to ground at one end and open-circuited at the opposite end. In this filter, the fringing capacitances at the open-circuited ends of the line necessitate the use of a compensation procedure based upon an estimation of these parasitic lumped capacitances. Consequently, in the very narrow-band cases, where these end effect capacitances have a considerable effect upon the performance of the filter, it is very difficult to construct a filter with the required electrical performance. In the new design procedure, this problem is eliminated since the digital line is short circuited to ground at both ends and this also provides the filter with greater physical rigidity.
Starting Page	304
Ending Page	309
File Size	194536
Page Count	6
File Format	PDF
DOI	10.1109/GMTT.1969.1122707
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1969-05-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Digital filters Band pass filters Impedance Coupling circuits Parasitic capacitance Microwave filters Narrowband Low pass filters Prototypes Frequency
Content Type	Text
Resource Type	Article

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