A Comparative Study of Various Microstrip Baluns

J, Indhumathi; Maheswari, S.

doi:10.1007/978-3-030-32150-5_27

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2020

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“…From the table we conclude that the coupler should attain -3dB power division in S 21 ,S 31. The simulated S 11 , S 41 values should be better than -10dB.Therefore the coupler should attain 90 0 phase difference between the output ports [13].…”

Section: Related Workmentioning

confidence: 97%

A Study of Compact Branch Line Coupler

Jutru¹,

Maheswari²

2020

Intelligent Systems and Computer Technology

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In this paper we analyze various structures of branch line coupler with different frequencies of 1GHz to 2.5GHz. Couplers are used for splitting or combining power. It is basically a 3dB power divider or combiner with symmetrical four port network for obtaining 900 phase difference between its output.It has been used in many applications such as in mixers, power amplifiers, modulators, anteena beam forming networks.The major advantages of branch line coupler are low profile, easy to fabricate, light weight.

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Section: Related Workmentioning

confidence: 97%