Excess loop delay in continuous-time delta-sigma modulators

JA Cherry, WM Snelgrove - … on Circuits and Systems II: analog …, 1999 - ieeexplore.ieee.org
loop delay occurs in LP modulators of orders three through five, as well as in a sixthorder
BP modulator… Section VII talks about the various methods of compensating for loop delay, …

[HTML][HTML] A Systematic Time-Based Approach for Analysis and Compensation of Excess Loop Delay in Continuous-Time Sigma-Delta Modulators Exceeding One Clock …

R Kohandel, M Yavari - Results in Engineering, 2025 - Elsevier
… of excess loop delay (ELD). Additionally, we present a two-step method to compensate for
the … Our method intuitively investigates the loop-filter outputs and yields systematic equations …

Analysis and Design of a High Speed Continuous-time Modulator Using the Assisted Opamp Technique

A Jain, M Venkatesan, S Pavan - IEEE journal of solid-state …, 2012 - ieeexplore.ieee.org
… input and has to be addressed by circuit techniques and careful layout… compensates for
excess loop delay, which is about 55% of the clock period. The full scale voltage of the modulator

[PDF][PDF] Excess Loop Delay Compensation for Continuous-time Delta Sigma Modulators

HH Alamdari - 2009 - collectionscanada.gc.ca
loop delay (ELD) compensation techniques for continuous-time (CT) Delta-Sigma-Modulators
of the quantizer to enable early decision that compensates for ELD. The second technique …

Excess loop delay cancellation in sigmadelta modulators

MM Deilam Salehi, H Miyar Naimi - Analog Integrated Circuits and Signal …, 2014 - Springer
… a General block diagram of delta sigma modulator without delay. b General proposed … loop
delay in sigmadelta modulators. In common compensation structures to eliminate the delay

Compensating for Quantizer Delay in Excess of One Clock Cycle in Continuous-Time Modulators

V Singh, N Krishnapura, S Pavan - IEEE Transactions on …, 2010 - ieeexplore.ieee.org
compensation techniques. Section III deals with the analysis of the compensation technique
for more than a clock cycle of delaymodulator with digital compensation of excess loop delay

Theory and design of a CT modulator with low sensitivity to loop-delay variations

M Andersson, L Sundström, M Anderson… - … Integrated Circuits and …, 2013 - Springer
… to loop-delay variations in the modulator, and omit implementing the additional loop delay
compensation usually needed in CT modulators… -time delta sigma A/D modulator with 2.5 MHz …

A 16 MHz BW 75 dB DR CT ADC Compensated for More Than One Cycle Excess Loop Delay

V Singh, N Krishnapura, S Pavan… - IEEE Journal of Solid …, 2012 - ieeexplore.ieee.org
… system level techniques to compensate for excess loop delay (ELD) … the delay of the building
blocks in the loop. CTDSMs consist of a loop filter, flash ADC, and a DAC in a feedback loop

Continuous-time delta-sigma modulator design using the method of moments

S Pavan - IEEE Transactions on Circuits and Systems I: Regular …, 2014 - ieeexplore.ieee.org
… discuss excess loop delay compensation of CTDSMs … method of computing the loop filter
coefficients that compensate for excess delay is tedious even for a second order [10] modulator. …

Compensation of finite gain-bandwidth induced errors in continuous-time sigma-delta modulators

M Ortmanns, F Gerfers, Y Manoli - IEEE Transactions on …, 2004 - ieeexplore.ieee.org
… DAC, any induced loop delay has a similar effect. However, in contrast to the DAC excess loop
delay … with the GBW induced loop delay in (8)–(11), the modulator faces a reduction of the …