Sigma-delta programming device for a PLL frequency synthesizer, configuration using the sigma-delta programming device, PLL frequency device, and method for programming a programmable device

Granted: Jun 29, 2004 Filed: Aug 5, 2003

This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.