Patent ID: 6188270
Filing Date: 2001-02-13
Classification: G05F

Abstract:
A reference circuit comprising:a power supply;a ground plane;a first transistor having a source connected to said power supply, a drain coupled to said ground plane, and a gate connected to said drain;a first current path;a second transistor having a source connected to said power supply, a drain connected to said first current path, and a gate connected to said gate of said first transistor;a second current path;a third transistor having a source connected to said power supply, a drain connected to said second current path, and a gate connected to said gate of said first transistor;a reference voltage output;a fourth transistor having a source connected to said power supply, a drain connected to said reference voltage output, and a gate connected to said gate of said first transistor;a fifth transistor having a source connected to said power supply, and a gate connected to said gate of said first transistor;a sixth transistor having a source connected to said power supply, a gate connected to a drain of said fifth transistor, and a drain connected to said drain of said second transistor; anda seventh transistor having a source connected to said ground plane, a gate connected to said power supply, and a drain connected to said drain of said fifth transistor.