Title :
AC constraint transformation for top-down analog design
Author :
Arsintescu, B.G. ; Charbon, E. ; Malavasi, E. ; Kao, W.
Author_Institution :
Delft Univ. of Technol., Netherlands
fDate :
31 May-3 Jun 1998
Abstract :
In mixed designs, analog blocks are often the most difficult parts to realize, due to the large number of high-level constraints and the importance of second order effects. In this paper a method is proposed to automatically transform AC constraints from higher to lower levels of hierarchy within a top-down design methodology. The transformation consists of finding a linear approximation for the analytic expression of the transfer function for flat and hierarchical designs. A state-of-the-art filter design example illustrates the capabilities of the method
Keywords :
band-pass filters; biquadratic filters; circuit CAD; constraint theory; continuous time filters; integrated circuit design; linear network synthesis; mixed analogue-digital integrated circuits; transfer functions; 10.7 MHz; AC constraint transformation; biquadratic sections; filter design; flat hierarchical designs; fourth-order maximally flat bandpass filter; high-level constraints; linear approximation; linear continuous-time circuits; mixed signal design; second order effects; top-down analog design; top-down design methodology; transfer function; Analog circuits; Application specific integrated circuits; Capacitance; Delay; Design methodology; Filters; Linear approximation; Rivers; Time to market; Transfer functions;
Conference_Titel :
Circuits and Systems, 1998. ISCAS '98. Proceedings of the 1998 IEEE International Symposium on
Conference_Location :
Monterey, CA
Print_ISBN :
0-7803-4455-3
DOI :
10.1109/ISCAS.1998.705228
