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Flexible phase-locked loops and millimeter wave PLL components for 60-GHz wireless networks in CMOS [article]

Cheema, HM (Hammad), Roermund, AHM (Arthur) Van, Mahmoudi, R (Reza)
2010
The work leading to this thesis has been performed in the framework of WiComm: Microelectronics for the next generation of wireless communication project which is a part of a Dutch national research program  ...  For instance, the front-end can first be combined with the divide-by-64 block to fref UP Reset delay DN fdiv Vbias CP f ref PFD CP I out To bond-pad V tune f RF-LO f div_out f div 74.2 pF 5.74 pF 2 kΩ  ...  60 GHz I-Q VCO 24 mW Dual-mode ILFD 4 mW (0.8 V supply) Divide-by-64 6 mW PFD & CP 1.8 mW Buffers 32 mW Total (excluding buffers) 41.8 mW Total (including buffers) 73.8 mW Table 6 . 6 3: Summary of  ... 
doi:10.6100/ir657030 fatcat:tolw5no2rbavzf3uj6zlw4uh3y

Architectures and Circuits Leveraging Injection-Locked Oscillators for Ultra-Low Voltage Clock Synthesis and Reference-less Receivers for Dense Chip-to-Chip Communications

Gautam Gangasani
2018
This thesis also describes a receiver with a reference-less clocking architecture for high-density VSR-C2C links.  ...  A sub-integer clockfrequency synthesizer is presented that incorporates a multi-phase injection-locked ring-oscillator-based prescaler for operation at an ultra-low supply voltage of 0.5V, phase-switching  ...  The thesis then presented a sub-integer clock-frequency synthesizer architecture that can operate at a high speed from an ultra-low supply.  ... 
doi:10.7916/d8h437m5 fatcat:kffvyp3gjbffzkp6acsnaitrza

Design Techniques for Frequency Synthesizers in Highly Scaled CMOS Technologies

Shih-An Yu
2017
A wideband synthesizer covering from 125MHz to 32GHz with a constant performance across the entire frequency range will be presented; the scaling [...]  ...  Then, a 2.5-GHz ultra-compact (150um x 280um) analog PLL implemented in a 45-nm CMOS technology with a fully integrated LC-VCO and an on-chip passive R-C loop filter will further be used to show that area  ...  Acknowledgments The authors would like to thank Bell Laboratories, Alcatel-Lucent Technologies for funding and equipment support; Thomas Chen, Pei-ju Mo, Yu-che Yang, Frank Zhang, and Tsung-han Hsieh for assisting with  ... 
doi:10.7916/d8pn9cs2 fatcat:k6oez6hdebcojmrmrj7ejdulxu

Wideband impedance spectrum analyzer with arbitry fine frequency resolution for in situ sensor applications [article]

Thomas Schneider, Universitäts- Und Landesbibliothek Sachsen-Anhalt, Martin-Luther Universität
2018
Hauptmann for providing me the opportunity to carry out my research work on an interesting and diversified topic, and for all guidance and support.  ...  Design aspects of charge-pump phase locked loops Nowadays, virtually all ICs for high frequency PLL-based frequency synthesizers utilize a PFD/CP structure.  ...  In addition to the various noise sources, non-idealities in the combined PFD/CP operation cause feedthrough of the phase detector frequency pd f . It appears as modulation on the VCO tuning voltage.  ... 
doi:10.25673/4982 fatcat:tmf4z3yxf5eybonpw4vadfd43i

Design of a 2.4 Ghz BAW-Based CMOS Transmitter

Matteo Contaldo
2011
working at fixed frequency due to their limited tuning range.  ...  To achieve these targets and circumvent the limited tuning range of the BAW oscillator, an up-conversion transmitter using wide IF is used.  ...  TEMP SENS COMP ALGO ADPLL ÷ N RTC ÷ Q ÷ P PA PPA ÷ O ÷ P ÷ M ∆Σ MOD PFD CP RCCR SiRes Osc. 2.32GHz 2.4-2.48GHz BAW-Based PA LC Osc.  ... 
doi:10.5075/epfl-thesis-4980 fatcat:v4z527da6jcgbfhbuq367snasa