This article focuses on providing a cost-effective solution for multi-band, multi-mode wireless systems in which oscillators simultaneously satisfy the oscillation conditions of two or more signals, thereby obviating the need for several signal sources...
One of the critical building blocks in a multi-mode transceiver system is a multi-band VCO that is required for both up and down conversion. Mobile phones and radios, operating in several modes, are typically switching between receiving and transmitting frequencies, and therefore require low phase noise signal sources (oscillators/VCOs)...
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