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Minimum Insertion Loss Filters
Proceedings of the IRE, 1957A generalized criterion is given for the design of minimum loss Butterworth and Tchebycheff filters of arbitrary bandwidth and component quality. This criterion is chosen to minimize the insertion loss in the center of the band and is particularly useful for microwave filters, where insertion loss must be minimized.
E.G. Fubini, E.A. Guillemin
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Insertion loss of mismatched filters
Proceedings of the IEEE, 1975The design of power line filters is difficult because the actual impedances of the equipment to be suppressed and of the power lines are often unknown. By means of simple geometric considerations it is easy to calculate the maximum and minimum insertion losses which give a more realistic characterization of power line filter performances.
B. Audone, L. Bolla
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Insertion Losses of Acoustic Louvers
The Journal of the Acoustical Society of America, 1973Manufacturers of acoustic louvers usually publish transmission loss data, measured in the laboratory according to ASTM E90-70, for their products. Since field conditions rarely match those specified in ASTM E90-70, insertion loss data would generally be more valuable. Normally, an acoustic louver is used as an alternative to a standard louver. The data
F. H. Brittain, C. M. Salter
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Minimum Insertion Loss Microwave Filters
PTGMTT National Symposium Digest, 2005Equal-element band-pass filters provide the lowest midband insertion loss possible with a given number of resonators and a specified rejection bandwidth or skirt response. Losses can often be reduced by 1 to 2 db. A technique applicable to narrow-band equal-element filters has been developed that holds for both large and small dissipation factors ...
J.J. Taub, H.J. Hindin
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Endothelial Cell Loss from Intraocular Lens Insertion
Ophthalmology, 1978ALTHOUGH intraocular implants for replacement of cataractous lenses were first used more than 25 years ago, they have begun to gain acceptance only recently in the United States, and still with considerable caution.1,2 One of the chief reasons for concern has been the high incidence of early and, in particular, late development of bullous keratopathy ...
A, Sugar +4 more
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Proceedings of the IEEE, 1964
The term "insertion loss" has become such a popular one and is applied to so many different concepts that it is becoming unsuitable for precise use. Certain other concepts connected with insertion loss such as attenuation and mismatch loss, are in need of clarification. A logical set of definitions and equations are presented as a suggested approach to
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The term "insertion loss" has become such a popular one and is applied to so many different concepts that it is becoming unsuitable for precise use. Certain other concepts connected with insertion loss such as attenuation and mismatch loss, are in need of clarification. A logical set of definitions and equations are presented as a suggested approach to
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Insertion loss of personal protective clothing
Applied Acoustics, 2001Abstract The use of personal protective clothing that covers the head is a common practice in many industries. Such personal protective clothing will impact the sound pressure level and the frequency content of sounds to which the wearer will be exposed. The use of such clothing, then, may impact speech and alarm audibility.
Van B Biesel, Kenneth A Cunefare
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Insertion loss measurement of low loss fiber optic splices
Technical Digest: Symposium on Optical Fiber Measurements, 2004., 2004Results from a National Electronics Manufacturing Initiative (NEMI) project, formed to improve aspects of fiber optic fusion splicing, are reported. The focus of this paper is ultra low loss splicing for telecommunications product assembly, with typical loss of G0.05 dB per splice for standard SMF-SMF. A detailed review of available industry standards,
L. Wesson +7 more
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End-of-Life Insertion Loss Methodology
2007 IEEE Avionics, Fiber-Optics and Photonics Technology Conference, 2007The MT ferrule is a commercial part that has been adopted by the aerospace community. Extensive testing has shown that, in a single-mode application, the MT ferrule exhibits excellent performance. Interestingly, the military fiber optic connector (MIL-T-29504, MIL-C-38999) exhibits much worse optical performance than the commercial part.
Scott Newland +2 more
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Insertion Loss of Mismatched EMI Suppressors
IEEE Transactions on Electromagnetic Compatibility, 1978The insertion loss (IL) of EMI suppressors operating in systems with mismatched load and source impedances is studied. The design of an EMI suppressor is difficult because the actual impedances connected to it are often unknown. It has been recognized for a long time and by many authors [1]-[7] that the IL defined in a 50-ohm system (MIL-STD-220) is ...
Bruno Audone, Luciano Bolla
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