V. N. Manyam, D. K. Pham, C. Jabbour, and P. Desgreys, An FIR memory polynomial predistorter for wideband RF power amplifiers, 2017 15th IEEE International New Circuits and Systems Conference (NEWCAS), pp.249-252, 2017.

V. N. Manyam, D. G. Pham, C. Jabbour, P. Desgreys, ;. Birafane et al., Filter Assisted Memory Polynomial Predistortion for Small-Cell Base Stations, National GDR SoC/SiP conference, vol.11, issue.5, pp.59-71, 2010.

J. K. Cavers, Amplifier linearization using a digital predistorter with fast adaptation and low memory requirements, IEEE Transactions on Vehicular Technology, vol.39, issue.4, pp.374-382, 1990.

Y. Cho, J. Lee, S. Jin, B. Park, J. Moon et al., Fully Integrated CMOS Saturated Power Amplifier With Simple Digital Predistortion, IEEE Microwave and Wireless Components Letters, vol.24, issue.8, pp.533-535, 2014.

P. Jardin and G. Baudoin, Filter Lookup Table Method for Power Amplifier Linearization, IEEE Transactions on Vehicular Technology, vol.56, issue.3, pp.1076-1087, 2007.
DOI : 10.1109/tvt.2007.895566

URL : https://hal.archives-ouvertes.fr/hal-01723097

S. Boumaiza, J. Li, and F. M. Ghannouchi, Implementation of an adaptive digital/RF predistorter using direct LUT synthesis, 2004 IEEE MTT-S International Microwave Symposium Digest (IEEE Cat. No.04CH37535), vol.2, pp.681-684, 2004.

S. Boumaiza, J. Li, M. Jaidane-saidane, and F. M. Ghannouchi, Adaptive digital/RF predistortion using a nonuniform LUT indexing function with built-in dependence on the amplifier nonlinearity, IEEE Transactions on Microwave Theory and Techniques, vol.52, issue.12, pp.2670-2677, 2004.

K. Y. Son, B. Koo, and S. Hong, A CMOS Power Amplifier With a Built-In RF Predistorter for Handset Applications, IEEE Transactions on Microwave Theory and Techniques, vol.60, issue.8, pp.2571-2580, 2012.

F. Roger, A 200mW 100MHz-to-4GHz 11th-order complex analog memory polynomial predistorter for wireless infrastructure RF amplifiers,'' in Solid-State Circuits BIBLIOGRAPHY Conference Digest of Technical Papers (ISSCC), IEEE International, pp.94-95, 2013.

H. Huang, A. Islam, J. Xia, P. Levine, and S. Boumaiza, Linear filter assisted envelope memory polynomial for analog/radio frequency predistortion of power amplifiers, Microwave Symposium (IMS), pp.1-3, 2015.

H. Huang, J. Xia, A. Islam, E. Ng, P. M. Levine et al., Digitally Assisted Analog/RF Predistorter With a Small-Signal-Assisted Parameter Identification Algorithm, IEEE Transactions on Microwave Theory and Techniques, vol.63, issue.12, pp.4297-4305, 2015.

J. J. Wikner, Studies on CMOS Digital-to-Analog Converters, ser. Linköping studies in science and technology Dissertations. Linköping: Univ, p.248446368, 2001.

C. Popa, Improved Accuracy Current-Mode Multiplier Circuits With Applications in Analog Signal Processing, IEEE Transactions on Very Large Scale Integration (VLSI) Systems, vol.22, pp.443-447, 2014.

S. K. Garakoui, E. A. Klumperink, B. Nauta, and F. E. Van-vliet, Compact Cascadable g m-C All-Pass True Time Delay Cell With Reduced Delay Variation Over Frequency, IEEE Journal of Solid-State Circuits, vol.50, issue.3, pp.693-703, 2015.

I. Humar, X. Ge, L. Xiang, M. Jo, M. Chen et al., Rethinking energy efficiency models of cellular networks with embodied energy, IEEE Network, vol.25, issue.2, pp.40-49, 2011.

M. Pickavet, W. Vereecken, S. Demeyer, P. Audenaert, B. Vermeulen et al., Worldwide energy needs for ICT: The rise of power-aware networking, 2008 2nd International Symposium on Advanced Networks and Telecommunication Systems, pp.1-3, 2008.

M. Deruyck, W. Vereecken, E. Tanghe, W. Joseph, M. Pickavet et al., Power consumption in wireless access network, pp.924-931, 2010.

W. Vereecken, W. V. Heddeghem, M. Deruyck, B. Puype, B. Lannoo et al., Power consumption in telecommunication networks: Overview and reduction strategies, IEEE Communications Magazine, vol.49, issue.6, pp.62-69, 2011.

J. Lorincz, T. Garma, and G. Petrovic, Measurements and Modelling of Base Station Power Consumption under Real Traffic Loads, Sensors, vol.12, issue.4, pp.4281-4310, 2012.

A. Chatzipapas, S. Alouf, and V. Mancuso, On the minimization of power consumption in base stations using on/off power amplifiers, 2011 IEEE Online Conference on Green Communications, pp.18-23, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00640958

X. Ge, J. Yang, H. Gharavi, and Y. Sun, Energy Efficiency Challenges of 5G Small Cell Networks, IEEE Communications Magazine, vol.55, issue.5, pp.184-191, 2017.

C. Desset, B. Debaillie, V. Giannini, A. Fehske, G. Auer et al., Flexible power modeling of LTE base stations, 2012 IEEE Wireless Communications and Networking Conference (WCNC), pp.2858-2862, 2012.

L. Guan and A. Zhu, Green Communications: Digital Predistortion for Wideband RF Power Amplifiers, IEEE Microwave Magazine, vol.15, issue.7, pp.84-99, 2014.

C. Wang, F. Haider, X. Gao, X. You, Y. Yang et al., Cellular architecture and key technologies for 5G wireless communication networks, IEEE Communications Magazine, vol.52, issue.2, pp.122-130, 2014.

B. Bangerter, S. Talwar, R. Arefi, and K. Stewart, Networks and devices for the 5G era, IEEE Communications Magazine, vol.52, issue.2, pp.90-96, 2014.

L. Dartois, LTE and Pre-5G Physical Layer Standards and Implementations, 2017.

X. Dong, Designing remote radio heads (RRHs) on high-performance FPGAs, 2011.

M. Alzenad, M. Z. Shakir, H. Yanikomeroglu, and M. Alouini, FSO-Based Vertical Backhaul/Fronthaul Framework for 5G+ Wireless Networks, IEEE Communications Magazine, vol.56, issue.1, pp.218-224, 2018.

C. Han, T. Harrold, S. Armour, I. Krikidis, S. Videv et al., Green radio: Radio techniques to enable energy-efficient wireless networks, IEEE Communications Magazine, vol.49, issue.6, pp.46-54, 2011.

, 3GPP specification: LTE Evolved Universal Terrestrial Radio Access (E-UTRA) ; Base Station(BS) radio transmission and reception (3GPP TS 36, 3GPP, 2017.

A. Damnjanovic, J. Montojo, Y. Wei, T. Ji, T. Luo et al., A survey on 3GPP heterogeneous networks, vol.18, pp.10-21, 2011.

B. Razavi and . Microelectronics, , 2012.

P. Reynaert, Polar Modulation, IEEE Microwave Magazine, vol.12, issue.1, pp.46-51, 2011.

E. Mccune, Practical Digital Wireless Signals, 2010.

P. Banelli, S. Buzzi, G. Colavolpe, A. Modenini, F. Rusek et al., Modulation Formats and Waveforms for 5G Networks: Who Will Be the Heir of OFDM?: An overview of alternative modulation schemes for improved spectral efficiency, IEEE Signal Processing Magazine, vol.31, issue.6, pp.80-93, 2014.

X. Zhang, L. Chen, J. Qiu, and J. Abdoli, On the Waveform for 5G, IEEE Communications Magazine, vol.54, issue.11, pp.74-80, 2016.

Y. Cai, Z. Qin, F. Cui, G. Y. Li, and J. A. Mccann, Modulation and Multiple Access for 5G Networks, IEEE Communications Surveys Tutorials, vol.20, issue.1, pp.629-646, 2018.

F. M. Ghannouchi, O. Hammi, and M. Helaoui, Behavioral Modeling and Predistortion of Wideband Wireless Transmitters, 2015.

M. K. Kazimierczuk and . Power-amplifier, , 2014.

S. C. Cripps, RF Power Amplifiers for Wireless Communications, Artech House Microwave Library),'' Artech House, 2006.

E. Westesson and L. Sundstrom, A complex polynomial predistorter chip in CMOS for baseband or IF linearization of RF power amplifiers, Proceedings of the 1999 IEEE International Symposium on Circuits and Systems, 1999. ISCAS '99, vol.1, pp.206-209, 1999.

, Low-power complex polynomial predistorter circuit in CMOS for RF power amplifier linearization, Proceedings of the 27th European, pp.486-489, 2001.

L. Ding, G. Zhou, D. Morgan, Z. Ma, J. Kenney et al., A robust digital baseband predistorter constructed using memory polynomials, IEEE Transactions on Communications, vol.52, issue.1, pp.159-165, 2004.

D. Morgan, Z. Ma, J. Kim, M. Zierdt, and J. Pastalan, A Generalized Memory Polynomial Model for Digital Predistortion of RF Power Amplifiers, IEEE Transactions on Signal Processing, vol.54, issue.10, pp.3852-3860, 2006.

P. Desgreys, V. N. Manyam, K. Tchambake, D. K. Pham, and C. Jabbour, Wideband power amplifier predistortion: Trends, challenges and solutions, 2017 IEEE 12th International Conference on ASIC (ASICON), pp.100-103, 2017.
URL : https://hal.archives-ouvertes.fr/hal-01685329

F. Ghannouchi and O. Hammi, Behavioral modeling and predistortion, IEEE Microwave Magazine, vol.10, issue.7, pp.52-64, 2009.

C. Mayer, D. Mclaurin, J. Fan, S. Bal, C. Angell et al., A direct-conversion transmitter for smallcell cellular base stations with integrated digital predistortion in 65nm CMOS, 2016 IEEE Radio Frequency Integrated Circuits Symposium (RFIC), pp.63-66, 2016.

M. Hussein, O. Venard, B. Feuvrie, and Y. Wang, Digital predistortion for RF power amplifiers: State of the art and advanced approaches, New Circuits and Systems Conference (NEWCAS), pp.1-4, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00819008

P. L. Gilabert, G. Montoro, and E. Bertran, FPGA Implementation of a Real-Time NARMA-Based Digital Adaptive Predistorter, IEEE Transactions on Circuits and Systems II: Express Briefs, vol.58, issue.7, pp.402-406, 2011.

H. Qian, H. Huang, and S. Yao, A General Adaptive Digital Predistortion Architecture for Stand-Alone RF Power Amplifiers, IEEE Transactions on Broadcasting, vol.59, issue.3, pp.528-538, 2013.

Y. Ma, Y. Yamao, Y. Akaiwa, and C. Yu, FPGA Implementation of Adaptive Digital Predistorter With Fast Convergence Rate and Low Complexity for MultiChannel Transmitters, IEEE Transactions on Microwave Theory and Techniques, vol.61, issue.11, pp.3961-3973, 2013.

S. A. Bassam, M. Helaoui, and F. M. Ghannouchi, 2-D Digital Predistortion (2-DDPD) Architecture for Concurrent Dual-Band Transmitters, IEEE Transactions on Microwave Theory and Techniques, vol.59, issue.10, pp.2547-2553, 2011.
DOI : 10.1109/tmtt.2011.2163802

C. Quindroit, N. Naraharisetti, P. Roblin, S. Gheitanchi, V. Mauer et al., FPGA implementation of orthogonal 2D digital predistortion system for concurrent dual-band power amplifiers based on time-division multiplexing, IEEE Transactions on, vol.61, issue.12, pp.4591-4599, 2013.

Y. Liu, P. Roblin, Y. Hai, S. Shao, and Y. Tang, Novel multiband linearization technique for closely-spaced dual-band signals of wide bandwidth, Microwave Symposium (IMS), pp.1-4, 2015.

B. Fehri and S. Boumaiza, Dual-Band Digital Predistortion Using a Single Transmitter Observation Receiver and Single Training Engine, IEEE Transactions on Microwave Theory and Techniques, vol.65, issue.1, pp.315-321, 2017.

S. Amin, P. Händel, and D. Rönnow, Digital Predistortion of Single and Concurrent Dual-Band Radio Frequency GaN Amplifiers With Strong Nonlinear Memory Effects, IEEE Transactions on Microwave Theory and Techniques, vol.65, issue.7, pp.2453-2464, 2017.

M. Younes, A. Kwan, M. Rawat, and F. Ghannouchi, Three-Dimensional digital predistorter for concurrent tri-band power amplifier linearization, Microwave Symposium Digest (IMS), pp.1-4, 2013.
DOI : 10.1109/mwsym.2013.6697635

P. M. Suryasarman and A. Springer, A Comparative Analysis of Adaptive Digital Predistortion Algorithms for Multiple Antenna Transmitters, IEEE Transactions on Circuits and Systems I: Regular Papers, vol.62, issue.5, pp.1412-1420, 2015.

Z. A. Khan, E. Zenteno, P. Händel, and M. Isaksson, Digital Predistortion for Joint Mitigation of I/Q Imbalance and MIMO Power Amplifier Distortion, IEEE Transactions on Microwave Theory and Techniques, vol.65, issue.1, pp.322-333, 2017.

C. Yu, L. Guan, E. Zhu, and A. Zhu, Band-Limited Volterra Series-Based Digital Predistortion for Wideband RF Power Amplifiers, IEEE Transactions on Microwave Theory and Techniques, vol.60, issue.12, pp.4198-4208, 2012.

Y. Liu, J. Yan, H. Dabag, and P. Asbeck, Novel Technique for Wideband Digital Predistortion of Power Amplifiers With an Under-Sampling ADC, IEEE Transactions on Microwave Theory and Techniques, vol.62, issue.11, pp.2604-2617, 2014.

H. Ku, M. D. Mckinley, and J. S. Kenney, Quantifying memory effects in RF power amplifiers, IEEE Transactions on Microwave Theory and Techniques, vol.50, issue.12, pp.2843-2849, 2002.
DOI : 10.1109/tmtt.2002.805196

P. Asbeck, L. Larson, D. Kimball, and J. Buckwalter, CMOS handset power amplifiers: Directions for the future, 2012 IEEE Custom Integrated Circuits Conference (CICC), pp.1-6, 2012.

C. Presti, D. Kimball, and P. Asbeck, Closed-Loop Digital Predistortion System With Fast Real-Time Adaptation Applied to a Handset WCDMA PA Module, IEEE Transactions on Microwave Theory and Techniques, vol.60, issue.3, pp.604-618, 2012.

J. Wood, What's New in Digital Predistortion, 2015.

C. D. Presti, A. G. Metzger, H. M. Banbrook, P. J. Zampardi, and P. M. Asbeck, Efficiency improvement of a handset WCDMA PA module using Adaptive Digital Predistortion, Microwave Symposium Digest (MTT), pp.804-807, 2010.

A. A. Saleh and J. Salz, Adaptive linearization of power amplifiers in digital radio systems, The Bell System Technical Journal, vol.62, issue.4, pp.1019-1033, 1983.

J. Wood, System-Level Design Considerations for Digital Pre-Distortion of Wireless Base Station Transmitters, IEEE Transactions on Microwave Theory and Techniques, vol.65, issue.5, pp.1880-1890, 2017.

V. Volterra, Sopra le funzioni che dipendono da altre funzioni, p.1887

, Theory of Functionals and of Integral and Integro-Differential Equations. Courier Corporation, 2005.

J. Staudinger, J. C. Nanan, and J. Wood, Memory fading Volterra series model for high power infrastructure amplifiers,'' in 2010 IEEE Radio and Wireless Symposium (RWS), pp.184-187, 2010.

J. Kim and K. Konstantinou, Digital predistortion of wideband signals based on power amplifier model with memory, Electronics Letters, vol.37, issue.23, pp.1417-1418, 2001.

T. Jiang, Behavioral modeling and FPGA implementation of digital predistortion for RF and microwave power amplifiers, Tech. Rep, 2016.

W. Gao, Linearization of Wideband Wi-Fi Power Amplifiers Using RF Analog Memory Predistortion, 2018 IEEE International Conference on Communications (ICC), pp.1-6, 2018.

A. Zhu, J. C. Pedro, and T. J. Brazil, Dynamic Deviation Reduction-Based Volterra Behavioral Modeling of RF Power Amplifiers, IEEE Transactions on Microwave Theory and Techniques, vol.54, issue.12, pp.4323-4332, 2006.

H. W. Kang, Y. S. Cho, and D. H. Youn, Adaptive precompensation of Wiener systems, IEEE Transactions on Signal Processing, vol.46, issue.10, pp.2825-2829, 1998.

P. Gilabert, G. Montoro, and E. Bertran, On the Wiener and Hammerstein models for power amplifier predistortion, Microwave Conference Proceedings, 2005. APMC 2005. Asia-Pacific Conference Proceedings, vol.2, p.4, 2005.

K. Narendra and P. Gallman, An iterative method for the identification of nonlinear systems using a Hammerstein model, IEEE Transactions on Automatic Control, vol.11, issue.3, pp.546-550, 1966.

T. Liu, S. Boumaiza, and F. M. Ghannouchi, Deembedding static nonlinearities and accurately identifying and modeling memory effects in wide-band RF transmitters, IEEE Transactions on Microwave Theory and Techniques, vol.53, issue.11, pp.3578-3587, 2005.

, Augmented hammerstein predistorter for linearization of broad-band wireless transmitters, IEEE Transactions on Microwave Theory and Techniques, vol.54, issue.4, pp.1340-1349, 2006.

O. Hammi and F. M. Ghannouchi, Twin Nonlinear Two-Box Models for Power Amplifiers and Transmitters Exhibiting Memory Effects With Application to Digital Predistortion, IEEE Microwave and Wireless Components Letters, vol.19, issue.8, pp.530-532, 2009.

F. Mkadem and S. Boumaiza, Physically Inspired Neural Network Model for RF Power Amplifier Behavioral Modeling and Digital Predistortion, IEEE Transactions on Microwave Theory and Techniques, vol.59, issue.4, pp.913-923, 2011.

R. N. Braithwaite, Wide bandwidth adaptive digital predistortion of power amplifiers using reduced order memory correction,'' in Microwave Symposium Digest, IEEE MTT-S International, pp.1517-1520, 2008.

J. Namiki, An Automatically Controlled Predistorter for Multilevel Quadrature Amplitude Modulation, IEEE Transactions on Communications, vol.31, issue.5, pp.707-712, 1983.
DOI : 10.1109/tcom.1983.1095870

T. Nojima, Y. Okamoto, and S. Ohyama, Predistortion nonlinear compensator for microwave SSB-AM system, Electronics and Communications in Japan (Part I: Communications), vol.67, pp.57-66, 1984.

W. Woo, M. Miller, and J. Kenney, A hybrid digital/RF envelope predistortion linearization system for power amplifiers, IEEE Transactions on Microwave Theory and Techniques, vol.53, issue.1, pp.229-237, 2005.

S. P. Stapleton and F. C. Costescu, An adaptive predistortion system, Proceedings] Vehicular Technology Society 42nd VTS Conference-Frontiers of Technology, vol.2, pp.690-693, 1992.
DOI : 10.1109/vetec.1992.245479

, An adaptive predistorter for a power amplifier based on adjacent channel emissions, IEEE Transactions on Vehicular Technology, vol.41, issue.1, pp.49-56, 1992.

T. Rahkonen, T. Kankaala, and M. Neitola, A programmable analog polynomial predistortion circuit for linearising radio transmitters, Solid-State Circuits Conference, 1998. ESSCIRC '98. Proceedings of the 24th European, pp.276-279, 1998.

K. Gumber, P. Jaraut, M. Rawat, and K. Rawat, Digitally assisted analog predistortion technique for power amplifier, 88th ARFTG Microwave Measurement Conference (ARFTG), pp.1-4, 2016.

K. Gumber and M. Rawat, A Modified Hybrid RF Predistorter Linearizer for Ultra Wideband 5G Systems, IEEE Journal on Emerging and Selected Topics in Circuits and Systems, vol.7, issue.4, pp.547-557, 2017.

T. Rahkonen, T. Kankaala, M. Neitola, and A. Heiskanen, Using Analog Predistortion for Linearizing Class A-C Power Amplifiers, Analog Integrated Circuits and Signal Processing, vol.22, issue.1, pp.31-39, 2000.

O. Hammi, F. Ghannouchi, and B. Vassilakis, A Compact Envelope-Memory Polynomial for RF Transmitters Modeling With Application to Baseband and RF-Digital Predistortion, IEEE Microwave and Wireless Components Letters, vol.18, issue.5, pp.359-361, 2008.

J. Xia, E. Ng, and S. Boumaiza, Wideband Compensation of RF Vector Multiplier for RF Predistortion Systems, IEEE Transactions on Circuits and Systems II: Express Briefs, vol.63, issue.11, pp.1084-1088, 2016.

L. Ding, Z. Ma, D. R. Morgan, M. Zierdt, and J. Pastalan, A least-squares/Newton method for digital predistortion of wideband signals, IEEE Transactions on Communications, vol.54, issue.5, pp.833-840, 2006.

J. Wood, Behavioral Modeling and Linearization of RF Power Amplifiers. Artech House, 2014.

H. Ku and J. S. Kenney, Behavioral modeling of nonlinear RF power amplifiers considering memory effects, IEEE Transactions on Microwave Theory and Techniques, vol.51, issue.12, pp.2495-2504, 2003.

N. Messaoudi, M. C. Fares, S. Boumaiza, and J. Wood, Complexity reduced odd-order memory polynomial pre-distorter for 400-watt multi-carrier Doherty amplifier linearization, IEEE MTT-S International Microwave Symposium Digest, pp.419-422, 2008.

, ADL5606 Datasheet and Product InfoAnalog Devices

D. Na, K. Choi, &. Low, and P. Fbmc, IEEE Transactions on Wireless Communications, vol.17, issue.1, pp.182-193, 2018.

, Mini-Circuits ZFRSC-42

T. Gotthans, G. Baudoin, and A. Mbaye, Optimal order estimation for modeling and predistortion of power amplifiers, 2013 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems (COMCAS 2013), pp.1-4, 2013.
URL : https://hal.archives-ouvertes.fr/hal-01722726

W. T. Lin, H. Y. Huang, and T. H. Kuo, A 12-bit 40 nm DAC Achieving SFDR > 70 dB at 1.6 GS/s and IMD <-61dB at 2.8 GS/s With DEMDRZ Technique, IEEE Journal of Solid-State Circuits, vol.49, issue.3, pp.708-717, 2014.

L. Guan and A. Zhu, Low-Cost FPGA Implementation of Volterra Series-Based Digital Predistorter for RF Power Amplifiers, IEEE Transactions on Microwave Theory and Techniques, vol.58, issue.4, pp.866-872, 2010.

L. Guan, R. Kearney, C. Yu, and A. Zhu, High-performance digital predistortion test platform development for wideband RF power amplifiers, International Journal of Microwave and Wireless Technologies, vol.5, issue.02, pp.149-162, 2013.
DOI : 10.1017/s1759078713000184

URL : https://researchrepository.ucd.ie/bitstream/10197/8641/1/IJMWT_Guan_Final.pdf

T. Jiang, R. Quaglia, V. Camarchia, and M. Pirola, FPGA-based digital predistortion of A 3.5 GHz GaN Doherty power amplifier, 10th International Conference on Wireless Communications, Networking and Mobile Computing, pp.20-24, 2014.

&. Coder,

, Fixed-Point Designer

M. Gustavsson, J. J. Wikner, and N. Tan, CMOS Data Converters for Communications, ser. The Springer International Series in Engineering and Computer Science, 2000.

T. C. Carusone, D. Johns, and K. Martin, Analog Integrated Circuit Design, 2011.

P. Harpe, E. Cantatore, and A. Van-roermund, A 10b/12b 40 kS/s SAR ADC With Data-Driven Noise Reduction Achieving up to 10.1b ENOB at 2.2 fJ/ConversionStep, IEEE Journal of Solid-State Circuits, vol.48, issue.12, pp.3011-3018, 2013.

J. N. Babanezhad and G. C. Temes, A 20-V four-quadrant CMOS analog multiplier, IEEE Journal of Solid-State Circuits, vol.20, issue.6, pp.1158-1168, 1985.

S. K. Garakoui, E. A. Klumperink, B. Nauta, and F. F. Vliet, A 1-to2.5GHz phased-array IC based on gm-RC all-pass time-delay cells,'' in 2012 IEEE International Solid-State Circuits Conference, pp.80-82, 2012.

K. Bult and H. Wallinga, A CMOS analog continuous-time delay line with adaptive delay-time control, IEEE Journal of Solid-State Circuits, vol.23, issue.3, pp.759-766, 1988.

I. Mondal and N. Krishnapura, A 2-GHz Bandwidth, 0.25-1.7 ns True-Time-Delay Element Using a Variable-Order All-Pass Filter Architecture in 0.13 ?mu? m CMOS, IEEE Journal of Solid-State Circuits, vol.52, issue.8, pp.2180-2193, 2017.