| 1. | Which one of the following is a transferred electron device ? | |
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IMPATT diode
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Gunn diode
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BARITT diode
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TRAPATT diode
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Report Question| 2. | One of the following modes of operation is not of Gunn diode ? | |
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Depletion mode
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Queueled mode
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Transit time anode
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LSA mode
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| 3. | The semiconductor diode, which can be used in switching circuits at microwave range is ? | |
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Gunn diode
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PIN diode
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tunnel diode
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varactor diode
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| 4. | Which of the following devices is a ' hot-electron' diode ? | |
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Thomson-Deletion diode
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Thermal electron diode
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Thermionic tube diode
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Schottky-Barrier diode
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| 5. | Which one of the following diode is a square law device ? | |
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Crystal diode
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Tunnel diode
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Zener diode
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Varactor diode
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| 6. | IMPATT diode is disadvantageous because of ? | |
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too many layers
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difficulty in growing intrinsic layer
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high noise
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low efficiency
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| 7. | The maximum power that may be handled by a ferrite component is limited by the ? | |
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gyromagnetic resonance
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line width
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saturation magnetization
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Curie temperature
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| 8. | Amplifier with the lowest noise is ? | |
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Klystron amplifier
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Tunnel diode amplifier
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Parametric amplifier
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None of the above
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| 9. | A piston attenuator is a ? | |
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vane attenuator
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mode filter
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flap attenuator
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waveguide below cut-off
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| 10. | For the dominant mode, in a rectangular wavelength with breadth 10 cm, the guide wavelength for a signal of 2.5 GHz will be ? | |
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15 cm
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12 cm
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18 cm
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20 cm
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