Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 10 of 10 for “"LC VCO"”.
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Phase Noise in CMOS Phase-Locked Loop Circuits
… The frequency synthesizer is implemented using LC voltage-controlled oscillator (VCO) and a low power dual-modulus prescaler. The LC VCO working range is from 900MHz to 1.4GHz. Current mode logic (CML) is used in designing high speed D flip-flop in the dual-modulus prescaler circuits for low …
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Modelling and applications of MOS varactors for high-speed CMOS clock and data recovery
… identified the voltage-controlled oscillator (VCO) as an important circuit that contributes to the total noise performance of the CDR. Among different solutions known for this circuit, LC-VCO is acknowledged to have the best phase noise performance, due to the filtering characteristic of the LC …
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Analysis of inductance-capacitance voltage-controlled oscillators
… voltage-controlled oscillators (LC VCOs), specifically, double switch cross-coupled oscillators. Fundamentals on LC VCOs, like oscillation conditions, classical LC VCO architectures, inductor and capacitor choices, and phase noise calculations are described. A detailed analysis of …
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Analysis and Design of Wide Tuning Range Low Phase Noise mm-wave LC-VCOs
… standards. One of the critical components, the LC-voltage controlled oscillator (LC-VCO), is required to have low phase noise while maintaining wide tuning range to achieve low bit error rates (BERs). Due to the large parasitic capacitance and high losses in silicon based technologies, extending …
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Automatic generation of an LC voltage controlled oscillator
A Voltage Controlled Oscillator (VCO) is used to generate a signal with a frequency that is a function of an input voltage amplitude, and is an integral part of circuits such as phase locked loops, frequency synthesizers, down conversion receivers, and clock generators. A typical design flow for a …
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PLL-based active optical clock distribution
… phase detector is integrated with a loop filter, LC VCO, and frequency divider to form a complete optical-electrical PLL system capable of generating 1.6 GHz local electrical clocks from a 200 MHz global optical reference. The insights gained through the design and implementation of this system …
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Microwave CMOS VCOs and Front-Ends - using integrated passives on-chip and on-carrier
… Mixers, and Voltage Controlled Oscillators (VCOs) operating at microwave frequencies. Traditionally, microwave electronics has used exclusive and more expensive semiconductor technologies (III-V materials). However, the rapid development of consumer electronics (e.g. video game consoles) the …
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Design Techniques for Frequency Synthesizers in Highly Scaled CMOS Technologies
… covering from high speed analog and RF blocks (VCO), to high speed digital blocks (dividers), to low speed analog (charge pump and loop filter) and low speed digital (phase frequency detector) circuits. In this thesis, we study design challenges and present corresponding solutions to realize …
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Design of low-power K-band circuits in CMOS technology
… von spannungsgesteuerten Oszillatoren (VCOs) bei Millimeterwellen-Frequenzen durch ein schlechtes Phasenrauschen sowie durch einen begrenzten Abstimmbereich beeinträchtigt. Anderseits können Frequenzteiler mit großer Bandbreite und geringem Leistungsverbrauch schwierig realisiert werden. …
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Κυκλώματα υψηλών συχνοτήτων για σύστημα υπερ-ευρείας ζώνης με διαμόρφωση συχνότητας FM-UWB
… (double wideband FM modulation). Αυτά είναι το VCO, η αντλία φορτίου, ο διαιρέτης συχνότητας, και η γεννήτρια τάσης αναφοράς. Επιπλέον σχεδιάζονται ο δέκτης ο οποίος περιλαμβάνει τον προενισχυτή και τον αποδιαμορφωτή FM, δύο αρμονικοί ταλαντωτές ελεγχόμενοι από τάση για το υποσύστημα του πομπού …