Assertion (A) : Microstrip is very commonly used in microwave integrated circuits.
Reason (R) : Microstrip has an easy access to the top-surface so that active and passive discrete components can be easily mounted.
MH SET - 2023, SET Exam - 2023,
Answer: A
Both (A) and (R) are correct and (R) is correct explanation of (A).
Microstrip, a conducting strip on one side of a dielectric substrate with a ground plane on the other, is the most common transmission line in microwave integrated circuits, so A is true.
A main reason is the one R gives: the strip is on the open top surface, so active devices such as transistors and diodes and passive chip components can easily be mounted on it and connected. It is also cheap and made by the same photolithography as printed circuits. Since R explains A, the other options are wrong.
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