Various types of antenna
What are the various types of antennas? Describe in brief.
Expert
The antenna (or aerial) is a transducer which transmits or receives the electromagnetic waves. In another words, antennas transform electromagnetic radiation into electric current or vice-versa.
They are mainly used to transmit and receive the electromagnetic radiation of radio frequency, that is, radio waves and are essential part of all the radio equipment. There are various types of antennas, they can mainly sub-divide into directional and unidirectional is a simple kind of directional antennas: helical antenna a simple kind of unidirectional antennas: Yagi and loop antennas.
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A colleague tells you he can shift the emission wavelength of the plasomon resonance of a gold nanorod using ultrasound. He wants to use this to lock-in the plasmon resonance (statistically correlate the ultrasound with the output to detect the nanorod more sensitively), so he can detect it at a
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n-channel MOS transistors include the given properties: Substrate Doping Concentration, NA= 2x1016 cm-3 Metal Fermi Potential, φFM = 0.6 V
n-channel MOS transistors include the given properties:
Substrate Doping Concentration, NA= 2x1016 cm-3
Metal Fermi Potential, φFM = 0.6 V
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