LC VCO PHD THESIS

Narrowband wide tuning signaling architectures and instantaneous wideband spectrum sensing architectures are identified as candidates for feasible SDR implementations. Wide tuning range, low phase noise frequency synthesizers for signaling, and RF samplers and signal processors for spectrum sensing are identified as critical circuit design blocks. This dissertation focuses on the analysis, design, and application of inductor-capacitor LC oscillators for wireless sensor networks WSNs. The calculated steady state output amplitude and phase noise from this analysis are in agreement with Cadence Spectre simulations for different bias conditions. Services Full metadata XML.

They achieve higher amplitudes of oscillation, and consequently, a superior phase noise performance. Narrowband wide tuning signaling architectures and instantaneous wideband spectrum sensing architectures are identified as candidates for feasible SDR implementations. Search the library website Go. Doctor of Philosophy Ph. Two aspects of SDRs for cognitive radios are distinguished:

Retrieved from the University of Phs Digital Conservancy, http: It is shown that a source-synchronous receiver with MSK modulation is a suitable choice for eliminating the crystal in WSN applications. Abstract This thesis discusses the design of the receiver front-end for software defined radio SDR based cognitive radio applications. An application of this analysis to the design optimization of LC oscillators is also demonstrated.

Circuit techniques for cognitive radio receiver front-ends

The proposed oscillator has a superior start-up performance compared to other low voltage quadrature LC oscillator architectures. Switched thesia VCOs are analyzed in detail, fhesis a design framework is developed. Several MOSFET oscillator architectures have been analyzed and the start-up times compared using this analysis with applications to start-up time reduction of LC oscillators.

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Design trade-offs have been analyzed using system level simulations. Home Graduate Thesis Or Dissertation. Title Circuit techniques for cognitive radio receiver front-ends. The highest resulting figure-of-merit FoM is Wide-tuning range techniques based on switched inductors are proposed as a way to design inductor- capacitor LC VCOs with wide-tuning ranges that maintain a good phase noise and power dissipation performance over the entire tuning range.

Circuit techniques for cognitive radio receiver front-ends

These numbers represent orders of magnitude improvement on the work reported previously in literature. Two aspects of SDRs for cognitive radios are distinguished: They also maintain good phase noise, power consumption, and llc of merit FOM over the entire tuning range.

Mayaram, Kartikeya Fiez, Terri. This set of novel topologies are based on linearized transconductance using capacitive feedback techniques.

Finally, an application of LC oscillators for a crystal free radio-frequency RF receiver design has been explored. JavaScript is disabled for your browser. These design principles enable this implementation to achieve a large dynamic range even at high speeds.

Abstract This thesis discusses the design of the receiver front-end for software defined radio SDR based cognitive radio applications. The VCOs are analyzed, and detailed measurement results from a design prototype are presented.

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Analysis and Design of Wideband LC VCOs

These numbers represent orders of magnitude improvement on the work reported previously in literature. The calculated steady state output amplitude and phase noise from this analysis are in tyesis with Cadence Spectre simulations for different bias conditions.

lc vco phd thesis

Several architectures and circuit im- plementations are reviewed. The analysis has been validated with detailed circuit level simulations. Electrical and Computer Engineering.

Voltage-controlled oscillators Wireless sensor networks. Home Graduate Thesis Or Dissertation.

The highest resulting figure-of-merit FoM is The calculated steady state output amplitude and phase noise from this analysis are in agreement with Cadence Spectre simulations for different bias conditions.

Several MOSFET oscillator architectures have been analyzed and the start-up times compared using this analysis with applications to start-up time reduction of LC oscillators. Description University of Minnesota Ph.

lc vco phd thesis

Narrowband wide vcl signaling architectures and instantaneous wideband spectrum sensing architectures are identified as candidates for feasible SDR implementations. You may create a new collection. This set of novel topologies are based on linearized transconductance using capacitive feedback techniques. Title Circuit techniques for cognitive radio receiver front-ends.

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