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Delta-Sigma =========== Schreier Tool Set for Delta-Sigma Modulator Design (Dec. 1992) The examples directory contains an example design and simulation of a 4th-order delta-sigma modulator. The ntf is synthesized, simulated, mapped onto the cascade-of-resonators topology, simu- lated again, scaled for dynamic range and resimulated once more. Just modify your path to include the new programs and type "make" and watch it happen. To do all the simulations takes about one hour. Also included in this directory are NTF files for common single-loop modulators. The classes directory contains C++ classes which were used to build the tools. You may find them useful if you intend to code your own applications. The classes come with demo and help files (courtesy Giri Rangan at OSU (gnk@aldur.ece.orst.edu)).
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.