1. Please explain the operation principle of YIG resonator and MSW thin film resonator. 2 .Please explain...

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Electrical Engineering

1. Please explain the operation principle of YIG resonator andMSW thin film resonator.
2 .Please explain the operation of the dielectric resonatorbased oscillator.
3. Please answer the following questions for the image rejectionmixer.
a. Why the image signal is important in the heterodyne receiveror transmitter not in direct conversion receiver ortransmitter?
b. What is benefit to use image rejection mixer instead of imagerejection filter?
c. What is limitation in using image rejection mixer?
4. Please explane about three different types of FOMs of VCObased on your knowleage and explain how each FOM can be used forVCO performance.

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3.7 Ratings (650 Votes)

Answer 1The operation principle of YIG resonator is the field from an electromagnet changes the resonance frequency it will allow to pass A simple resonant cavity for sustaining magnetostatic waves MSW in a resonator device is achieved by depositing a ferrimagnetic film on a substrate and cutting two substantially parallel edges in the film The substantially parallel edges serve as simple reflectors to replace the complex reflector arrays that are etched or otherwise formed in the prior art thin film resonators Answer 2An oscillator that uses a Dielectric Resonator as the frequency determining element to produce signals with excellent signal stability high Q and very low microphonics is called as Dielectric Resonator Oscillator DRO Answer 3 aimage signal is important because it needs the signal to be transmitted and it mixes the two signals to get a new one See Answer

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