Design and Implementation of a Delay Locked Loop Based 20 Gb/s Clock and Data Recovery Circuit in 0.18 Micron CMOS PDF Download

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Design and Implementation of a Delay Locked Loop Based 20 Gb/s Clock and Data Recovery Circuit in 0.18 Micron CMOS

Design and Implementation of a Delay Locked Loop Based 20 Gb/s Clock and Data Recovery Circuit in 0.18 Micron CMOS PDF Author: Ravindran Mohanavelu
Publisher:
ISBN:
Category : Data transmission systems
Languages : en
Pages : 114

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Design and Implementation of a Delay Locked Loop Based 20 Gb/s Clock and Data Recovery Circuit in 0.18 Micron CMOS

Design and Implementation of a Delay Locked Loop Based 20 Gb/s Clock and Data Recovery Circuit in 0.18 Micron CMOS PDF Author: Ravindran Mohanavelu
Publisher:
ISBN:
Category : Data transmission systems
Languages : en
Pages : 114

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Book Description

Monolithic Phase-Locked Loops and Clock Recovery Circuits

Monolithic Phase-Locked Loops and Clock Recovery Circuits PDF Author: Behzad Razavi
Publisher: John Wiley & Sons
ISBN: 9780780311497
Category : Technology & Engineering
Languages : en
Pages : 516

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Book Description
Featuring an extensive 40 page tutorial introduction, this carefully compiled anthology of 65 of the most important papers on phase-locked loops and clock recovery circuits brings you comprehensive coverage of the field-all in one self-contained volume. You'll gain an understanding of the analysis, design, simulation, and implementation of phase-locked loops and clock recovery circuits in CMOS and bipolar technologies along with valuable insights into the issues and trade-offs associated with phase locked systems for high speed, low power, and low noise.

Phase Locked Loops and Clock Data Recovery Circuit Design on Nano CMOS Processes

Phase Locked Loops and Clock Data Recovery Circuit Design on Nano CMOS Processes PDF Author: Greg W. Starr
Publisher: Wiley
ISBN: 9780470044896
Category : Technology & Engineering
Languages : en
Pages : 224

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Book Description
This book delivers practical techniques that impact the cost, quality and timing of the design for the working engineer. Starr provides the framework for understanding phase-locked loop design and then applies this technology to the design of the clock data recovery circuits. Important aspects of design are included to provide engineers with the necessary information they need to insure their designs are successful.

Design and Modeling of Clock and Data Recovery Integrated Circuit in 130 Nm CMOS Technology for 10 Gb

Design and Modeling of Clock and Data Recovery Integrated Circuit in 130 Nm CMOS Technology for 10 Gb PDF Author: Maher Assaad
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description
Abstract This thesis describes the design and implementation of a fully monolithic 10 Gb/s phase and frequency-locked loop based clock and data recovery (PFLL-CDR) integrated circuit, as well as the Verilog-A modeling of an asynchronous serial link based chip to chip communication system incorporating the proposed concept. The proposed design was implemented and fabricated using the 130 nm CMOS technology offered by UMC (United Microelectronics Corporation). Different PLL-based CDR circuits topologies were investigated in terms of architecture and speed. Based on the investigation, we proposed a new concept of quarter-rate (i.e. the clocking speed in the circuit is 2.5 GHz for 10 Gb/s data rate) and dual-loop topology which consists of phase-locked and frequency-locked loop. The frequency-locked loop (FLL) operates independently from the phase-locked loop (PLL), and has a highly-desired feature that once the proper frequency has been acquired, the FLL is automatically disabled and the PLL will take over to adjust the clock edges approximately in the middle of the incoming data bits for proper sampling. Another important feature of the proposed quarter-rate concept is the inherent 1-to-4 demultiplexing of the input serial data stream. A new quarter-rate phase detector based on the non-linear early-late phase detector concept has been used to achieve the multi-Giga bit/s speed and to eliminate the need of the front-end data pre-processing (edge detecting) units usually associated with the conventional CDR circuits. An eight-stage differential ring oscillator running at 2.5 GHz frequency center was used for the voltage-controlled oscillator (VCO) to generate low-jitter multi-phase clock signals. The transistor level simulation results demonstrated excellent performances in term of locking speed and power consumption. In order to verify the accuracy of the proposed quarter-rate concept, a clockless asynchronous serial link incorporating the proposed concept and communicating two chips at 10 Gb/s has been modelled at gate level using the Verilog-A language and time-domain simulated.

Design and Implementation of 3.125Gb/s Clock and Data Recovery Circuit Using Delay-chain Frequency Detector

Design and Implementation of 3.125Gb/s Clock and Data Recovery Circuit Using Delay-chain Frequency Detector PDF Author: 劉彥廷
Publisher:
ISBN:
Category :
Languages : en
Pages : 74

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Book Description

A 0.5-to-3.0 Gb/s Dual Edge Sampling Delay-Locked Loop Based Clock and Data Recovery Circuit

A 0.5-to-3.0 Gb/s Dual Edge Sampling Delay-Locked Loop Based Clock and Data Recovery Circuit PDF Author: 吳繼仁
Publisher:
ISBN:
Category :
Languages : en
Pages : 88

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Book Description

A CMOS Delay Locked Loop and Sub-nanosecond Time-to-digital Converter Chip

A CMOS Delay Locked Loop and Sub-nanosecond Time-to-digital Converter Chip PDF Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 3

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Book Description
Many high energy physics and nuclear science applications require sub-nanosecond time resolution measurements over many thousands of detector channels. Phase-locked loops have been employed in the past to obtain accurate time references for these measurements. An alternative solution, based on a delay-locked loop (DLL) is described. This solution allows for a very high level of integration yet still offers resolution in the sub-nanosecond regime. Two variations on this solution are outlined. A novel phase detector, based on the Muller C element, is used to implement a charge pump where the injected charge approaches zero as the loop approaches lock on the leading edge of an input clock reference. This greatly reduces timing jitter. In the second variation the loop locks to both the leading and trailing clock edges. In this second implementation, software coded layout generators are used to automatically layout a highly integrated, multi-channel, time to digital converter (TDC). Complex clock generation can be, achieved by taking symmetric taps off the delay elements. The two circuits, DLL and TDC, were implemented in a CMOS 1.2[mu]m and 0.8[mu]m technology, respectively. Test results show a timing jitter of less than 35 ps for the DLL circuit and better solution for the TDC circuit.

Phase Locked Loop (PLL) - Based Clock and Data Recovery Circuits (CDR) Using Calibrated Delay Flip Flop (DFF)

Phase Locked Loop (PLL) - Based Clock and Data Recovery Circuits (CDR) Using Calibrated Delay Flip Flop (DFF) PDF Author: Sagar Waghela
Publisher:
ISBN:
Category : Phase detectors
Languages : en
Pages : 96

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Book Description
A Delay Flip Flop (DFF) is used in the phase detector circuit of the clock and data recovery circuit. A DFF consists of the three important timing parameters: setup time, hold time, and clock-to-output delay. These timing parameters play a vital role in designing a system at the transistor level. This thesis paper explains the impact of metastablity on the clock and data recovery (CDR) system and the importance of calibrating the DFF using a metastable circuit to improve a system's lock time and peak-to-peak jitter performance. The DFF was modeled in MATLAB Simulink software and calibrated by adjusting timing parameters. The CDR system was simulated in Simulink for three different cases: 1) equal setup and hold times, 2) setup time greater than the hold time, and 3) hold time greater than the setup time. The Simulink results were then compared with the Cadence simulation results, and it was observed that the calibration of DFF using a metastable circuit improved the CDR system's lock time and jitter tolerance performance. The overall power dissipation of the designed CDR system was 2.4 mW from a 1 volt supply voltage.

A 10-Gb/s CMOS Clock and Data Recovery Circuit

A 10-Gb/s CMOS Clock and Data Recovery Circuit PDF Author: Jafar Savoj
Publisher:
ISBN:
Category :
Languages : en
Pages : 238

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Book Description

Design and Implementation of Delay-locked Loop Based Clock Generator

Design and Implementation of Delay-locked Loop Based Clock Generator PDF Author: 游建威
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Book Description