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At the higher frequencies, which one of the following becomes more confined to the region between the micro-strip and ground plane?

At the higher frequencies, which one of the following becomes more confined to the region between the micro-strip and ground plane? Correct Answer Magnetic field

A microstrip line consists of a conductor built on a low-loss dielectric substrate with a grounded plane. It can be easily integrated within a microwave device.

Key Points

  • Microstrip lines can be used over a wide frequency range.
  • It an be used for a wide frequency range. However, at higher frequencies, the first "limitation" is the substrate thickness.
  • This parameter should be sufficiently below lambda/4 considering the dielectric constant of the laminate.
  • Hence, microstrip lines designed for high frequencies show lower substrate thickness and also a lower width of the copper trace (for a constant characteristic impedance).
  • Also, at higher frequencies, magnetic field is confined to the region between the micro-strip and ground plane, than the electric field.
  • The lower width of the copper trace results in a higher loss of the microstrip line.

Related Questions

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The Alaskan pipeline ends
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What is the capacity of the Alaskan pipeline?
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What are "bents"?
Read the passage carefully and choose the best answer to each question out of the four alternatives and click the button corresponding to it. The Alaska pipeline starts at the frozen edge of the Arctic Ocean. It stretches southward across the largest and northernmost state in the United States, ending at a remote ice-free seaport village nearly 800 miles from where it begins. It is massive in size and extremely complicated to operate. The steel pipe crosses windswept plains and endless miles of delicate tundra that tops the frozen ground. It weaves through crooked canyons, climbs sheer mountains, plunges over rocky crags, makes its way through thick forests, and passes over or under hundreds of rivers and streams. The pipe is 4 feet in diameter, and up to 2 million barrels (or 84 million gallons) of crude oil can be pumped through it daily. Resting on H-shaped steel racks called "bents", long sections of the pipeline follow a zigzag course high above the frozen earth. Other long sections drop out of sight beneath spongy or rocky ground and return to the surface later on. The pattern of the pipeline's up-and-down route is determined by the often harsh demands of the arctic and subarctic climate, the tortuous lay of the land, and the varied compositions of soil, rock, or permafrost (permanently frozen ground). A little more than half of the pipeline is elevated above the ground. The remainder is buried anywhere from 3 to 12 feet, depending largely upon the type of terrain and the properties of the soil. One of the largest in the world, the pipeline cost approximately $8 billion and is by far the biggest and most expensive construction project ever undertaken by private industry. In fact, no single business could raise that much money, so 8 major oil companies formed a consortium in order to share the costs. Each company controlled oil rights to particular shares of land in the oil fields and paid into the pipeline-construction fund according to the size of its holdings. Today, despite enormous problems of climate, supply shortage, equipment breakdowns, labour disagreements, treacherous terrain, a certain amount of mismanagement, and even theft, the Alaska pipeline has been completed and is operating.
How was the fund for pipeline - construction generated?
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