Accession Number:

AD0656379

Title:

R. F. POWER RATINGS OF TEFLON COAXIAL CABLES,

Descriptive Note:

Corporate Author:

AMERICAN PHENOLIC CORP CHICAGO ILL

Personal Author(s):

• Mares,G. J.
• Camillo,C. C.

Report Date:

1955-01-01

Pagination or Media Count:

26.0

Abstract:

The increased power handling capacity of the Teflon cables over the equivalent polyethylene cables is clearly demonstrated. Excluding the Teflon tape cable construction for the moment, the sizable increase in power handling performance of Teflon over polyethylene would certainly warrant its use wherever possible. Where a large diameter polyethylene cable is being used, a small diameter Teflon cable could be substituted with the advantage of weight reduction, increased maximum power capacity and a higher maximum operating temperature. For instance, from a power handling viewpoint, RG-87AU cable could easily be used where RG-17U is now used. RG-17U handles 4500 watts at 100 megacycles while RG-87AU handles 6500 watts. At 4000 megacycles, RG-17U handles 350 watts and RG-87AU handles 750 watts. Therefore, RG-87AU, if substituted for RG-17U, would not have to be operated at its maximum rating to equal and outperform RG-17U. One might even wish to use RG-115U in place of RG-17U. At 100 megacycles, the power ratings of both cables are quite close while at 4000 megacycles, RG-115U can carry 450 watts and RG-17U carries 350 watts. In addition, RG-115U has the advantage of greater flexibility and improved temperature dimensional stability as compared to RG-87AU. Where high temperatures will be encountered due to high power requirements, and compactness and weight are significant factors, the Project Engineer will certainly do well to investigate the utilization of a Teflon dielectric coaxial cable. Author

Descriptors:

• *COAXIAL CABLES
• *HALOCARBON PLASTICS
• RADIOFREQUENCY POWER
• PERFORMANCE(ENGINEERING)

Subject Categories:

• Electrical and Electronic Equipment

Distribution Statement:

APPROVED FOR PUBLIC RELEASE