Title :
Average power-handling capability of microstrip lines
Author :
Bahl, I.J. ; Gupta, K.C.
Author_Institution :
Indian Institute of Technology, Department of Electrical Engineering and Advanced Centre for Electronic Systems, Kanpur, India
fDate :
1/1/1979 12:00:00 AM
Abstract :
An expression for the average power-handling capability (a.p.h.c.) of microstrip lines is derived by considering the heat generated in the strip conductor and the dielectric substrate. The analogy between electrostatic fields and heat-flow fields is used for calculation of the rise in temperature of the strip conductor. The computed value of a.p.h.c. for a 50 ¿¿ line on alumina substrate (0.06 cm [25 mil] thick) is 5.26 kW at 10 GHz whereas the corresponding figure for polystyrene substrate is 126 W.
Keywords :
alumina; polymers; strip lines; substrates; waveguide theory; Al2O3 substrate; average power handling capability; dielectric substrate heating; microstrip lines; polystyrene substrate; power handling calculation; strip conductor heating; temperature rise calculation;
Journal_Title :
Microwaves, Optics and Acoustics, IEE Journal on
DOI :
10.1049/ij-moa.1979.0001
