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A Two-Level Modeling Approach to Analog Circuit Performance Macromodeling
Design, Automation and Test in Europe
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In this paper, we present a two-level modeling approach to performance macromodeling based on radial basis function Support Vector Machine (SVM). ...
The two-level model consists of a feasibility model and a set of performance models. The feasibility model identifies the feasible designs that satisfy the design constraints. ...
In this paper, we present a similar two-level modeling approach. The two-level model is composed of a feasibility model and a set of performance models. ...
doi:10.1109/date.2005.43
dblp:conf/date/DingV05
fatcat:agtcxje4fffsjnodq275bmuo3i
Parameterized Macromodeling for Analog System-Level Design Exploration
2007
Proceedings - Design Automation Conference
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Unlike traditional macromodels that are only extracted for a small variation space, our proposed approach captures a significantly larger analog design space to facilitate system-level design exploration ...
In this paper we propose a novel parameterized macromodeling technique for analog circuits. ...
One wellknown approach is to approximate the block-level performance (e.g., amplifier gain) as a function of design variables [1] [2] [3] . ...
doi:10.1109/dac.2007.375299
fatcat:dnhxee5dvrd53jkar3g3chgx24
Parameterized macromodeling for analog system-level design exploration
2007
Proceedings - Design Automation Conference
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Unlike traditional macromodels that are only extracted for a small variation space, our proposed approach captures a significantly larger analog design space to facilitate system-level design exploration ...
In this paper we propose a novel parameterized macromodeling technique for analog circuits. ...
One wellknown approach is to approximate the block-level performance (e.g., amplifier gain) as a function of design variables [1] [2] [3] . ...
doi:10.1145/1278480.1278711
dblp:conf/dac/WangLP07
fatcat:lb4xxasyefhqzh2szpg3rpwy4u
Analog and RF circuit macromodels for system-level analysis
2003
Proceedings of the 40th conference on Design automation - DAC '03
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In this paper we propose simple and efficient analog and RF circuit macromodels that provide accurate model abstractions for large, complex timevarying circuits over frequency bands of interest. ...
circuits with complex device models or numerous parasitics. ...
The proposed macromodeling approach, ROMAN (Reduced-Order Macromodeling of Analog including Nonlinearities), provides several promising features compared with other modeling approaches. ...
doi:10.1145/775832.775956
dblp:conf/dac/LiLXP03
fatcat:dxxxuv3lgbcurm65w7uykil6yq
Analog and RF circuit macromodels for system-level analysis
2003
Proceedings of the 40th conference on Design automation - DAC '03
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A copy of this work was available on the public web and has been preserved in the Wayback Machine. The capture dates from 2006; you can also visit the original URL.
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In this paper we propose simple and efficient analog and RF circuit macromodels that provide accurate model abstractions for large, complex timevarying circuits over frequency bands of interest. ...
circuits with complex device models or numerous parasitics. ...
The proposed macromodeling approach, ROMAN (Reduced-Order Macromodeling of Analog including Nonlinearities), provides several promising features compared with other modeling approaches. ...
doi:10.1145/775954.775956
fatcat:mtotjo23zjcwlggko24cvtit7m
Hierarchical Modeling, Optimization, and Synthesis for System-Level Analog and RF Designs
2007
Proceedings of the IEEE
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We begin with a detailed survey of algorithmic techniques for automatically extracting a suitable nonlinear macromodel from a device-level circuit. ...
successfully exploit a range of nonlinear behaviors across levels of abstraction from devices to circuits to systems. ...
McConaghy, who have contributed largely to the work on hierarchical synthesis and performance modeling. ...
doi:10.1109/jproc.2006.889371
fatcat:nsxteyaqpzfl5no5v5iboedrgy
Mixed-Mode Design: Experiences with Multi-Level Macromodeling
[chapter]
1996
Analog Circuit Design
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A successful approach is the combination of analog and digital, time-continuous and time-discrete, behavioral and structural models to "mixed-signal macromodels". ...
Submodels on different levels of abstraction are combined, too (multi-level approach). Due to the complexity of such models, an automatic generation is not possible. ...
Backhaus (ANACAD) for the opportunity to work with an preliminary HDL-A version of the simulator ELDO. We would like to thank A. Schneider and S. Wünsche for their support in preparing this paper. ...
doi:10.1007/978-1-4757-2462-2_10
fatcat:pkzlx7dulbdcjimh2vzo5wvts4
A combined feasibility and performance macromodel for analog circuits
2005
Proceedings of the 42nd annual conference on Design automation - DAC '05
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The need to reuse the performance macromodels of an analog circuit topology challenges existing regression based modeling techniques. ...
In order to tackle these challenges, this paper presents a combined feasibility and performance macromodel based on Support Vector Machines (SVMs). ...
Experimental results show that it is an efficient approach to analog circuit performance macromodeling. ...
doi:10.1145/1065579.1065600
dblp:conf/dac/DingV05
fatcat:cccwe2dldrg5zdllwauht3opee
iVAMS: Intelligent metamodel-integrated Verilog-AMS for circuit-accurate system-level mixed-signal design exploration
2013
2013 IEEE 24th International Conference on Application-Specific Systems, Architectures and Processors
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Intelligent surrogate models for low-level analog building blocks are needed to bridge behavioral and transistorlevel simulations. ...
The gap between abstraction levels in analog design is a major obstacle for advancing analog and mixed-signal design automation. ...
In a hierarchical approach, design information should propagate seamlessly between abstraction levels. A key enabler of this approach is efficient surrogate models for low-level AMS building blocks. ...
doi:10.1109/asap.2013.6567553
dblp:conf/asap/ZhengMKO13
fatcat:sx7tkcvlcve2fpxkbeluglixtm
A frequency separation macromodel for system-level simulation of RF circuits
2003
Proceedings of the 2003 conference on Asia South Pacific design automation - ASPDAC
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In this paper we propose a frequency-separation methodology to generate system-level macromodels for analog and RF circuits. ...
of the LO input during a system-level simulation. ...
To understand this model structure, consider the 2nd order nonlinearity caused by the nonlinear MOSFETs in a CMOS RF or analog circuit. ...
doi:10.1145/1119772.1119968
dblp:conf/aspdac/LiLXDP03
fatcat:hznnrlig6nh3loa553olpvrxwq
A combined feasibility and performance macromodel for analog circuits
2005
Proceedings. 42nd Design Automation Conference, 2005.
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The file type is application/pdf.
The need to reuse the performance macromodels of an analog circuit topology challenges existing regression based modeling techniques. ...
In order to tackle these challenges, this paper presents a combined feasibility and performance macromodel based on Support Vector Machines (SVMs). ...
Experimental results show that it is an efficient approach to analog circuit performance macromodeling. ...
doi:10.1109/dac.2005.193774
fatcat:rwccknbpu5fsbougwcnrv7m77m
Fast Macromodel-based Signal Integrity Assessment for RF and Mixed-Signal Modules
2007
2007 IEEE International Symposium on Electromagnetic Compatibility
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In particular, we introduce a complexity reduction process that enables the Signal Integrity verification via analog circuit simulations, and we apply the methodology to complex radio transceiver chips ...
This paper presents a macromodel-based approach for fast Signal Integrity assessment for highly integrated Radio Frequency (RF) and Mixed-Signal System on Chip (SoC) applications. ...
Table III summarizes the results of a few different simulation runs performed with the two models. ...
doi:10.1109/isemc.2007.146
fatcat:zoqqplkdufhnvaf6ow7yukpbsu
Behavioral Fault Modeling and Simulation Using VHDL-AMS to Speed-Up Analog Fault Simulation
2004
Analog Integrated Circuits and Signal Processing
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faulty circuit response are considered equivalent; and behavioral/macro modeling, whereby parts of the circuit are modeled at a more abstract level, therefore reducing the complexity and the simulation ...
This paper discusses behavioral fault modeling to speed-up fault simulation for analog circuits. 8 9 10 11 12 13 14 15 ...
The accuracy of the macromodel was eval-136 uated by checking the consistency of the performance 137 parameter set, P, between the transistor-level circuit 138 and the macromodel.
139 Two steps are needed ...
doi:10.1023/b:alog.0000024065.22617.5a
fatcat:ljk7ubvpczefpl45ay6jtx5kji
Macromodel of CMOS operational amplifier including supply current variation
1995
Electronics Letters
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A PLL clock generator with 5-1 IO MHz of lock range for microprocessors', IEEE J. Solid-State ...
In [4 -61, the macromodel parameters are taken from performance specifications. We have taken a different approach. ...
In both examples, the full model is of a two-stage operational amplifier using SPICE level 2 models. ...
doi:10.1049/el:19951006
fatcat:hpeaubw4e5dpncjphp3xssxn5m
A Case Study of Synthesis for IndustrialScale Analog IP: Redesign of the Equalizer/Filter Frontend for an ADSL CODEC
[chapter]
2009
Computer-Aided Design of Analog Integrated Circuits and Systems
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We show how recent advances in simulation-based synthesis can be augmented, via appropriate macromodeling, to attack complex analog blocks. ...
A persistent criticism of analog synthesis techniques is that they cannot cope with the complexity of realistic industrial designs, especially system-level designs. ...
The alternative approach is analog synthesis, which seeks to transform some abstract description into a working circuit. ...
doi:10.1109/9780470544310.ch17
fatcat:ghbcmoddt5hrlf3d6e7tvf7oai
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