Let us discuss today discuss what is impedance matching and what is stub:
A transmission line is matched when the load impedance ,Zris equal to the characteristic impedance ,Z0 of the line that is Continue reading “IMPEDANCE MATCHING USING STUB”
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- Input impedance Zi for quarter wave transmission line
A transmission line is said to be quarter wave transmission line when its length equals quarter wavelength.
That is l=λ/4
Or l=(2n-1)λ/4 (odd multiple of λ/4)
Or βl=2π/λ * λ/4 [ β=2π/λ]
=π/2 Continue reading “Input impedance for quarter wave and half wave transmission line”
ULTRA HIGH FREQUENCY (U.H.F) TRANSMISSION LINES (TRANSMISSION LINES AS CIRCUIT ELEMENTS)
Ultra High Frequency lines commonly abbreviated as U.H.F lines are one of the types of the transmission lines. Ultra high frequency lines have operational frequency range from 300 to 3000 MHz or wavelength from 100 cm to 10 cm. Continue reading “ULTRA HIGH FREQUENCY (U.H.F) TRANSMISSION LINES-1”
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Continue reading “How many of me and googlism”
From today onwards I will also start writing about the various research journals of different fields of different publications. Today I will present the top 5 journals of energy science of Elsevier publication. These journals are ranked according to their impact factors.
1. Progress In Energy And Combustion Science– An International Review Journal:
The progress in energy and combustion science is the number 1 journal of Elsevier in energy science field.
2010 Impact factor: 10.362
Progress in Energy and Combustion Science deals with the review articles in the fields of combustion, flames, fuel science and technology and energy studies. Continue reading “Top Research Journals of Energy Science of Elsevier- I”
Do you know that the energy is associated with a charge distribution . This associated energy is also known as Electrostatic Energy. Let us calculate this energy associated with charge distribution:
When a test charge is moved from a point of lower potential to a point of higher potential, the potential energy of the system increases. But, there is a decrease in potential energy when a test charge is moved from higher to lower potential. Continue reading “Energy Associated With A Charge Distribution”