Width-regualting combination of three-state comparator circuit and analog drive mode of logic circuit


Application Number: 00105164
Application Date: 2000.04.12
Publication Number: 1317878
Publication Date: 2001.10.17
Priority Information:
International: H03K19/082;H03K19/20
Applicant(s) Name: Hu Wusheng
Address:
Inventor(s) Name: Hu Wusheng
Patent Agency Code: 00000
Patent Agent:
Abstract A three-state comparator is composed of 4 transistors and 3 resistors. It features that the bases of transistors 1 and Tc are connected to form input A, the emitters of transistors 1 and Td and resistor 4 are connected to form node 8, the mitters of transistors 2 and Tc and resistor 3 are connected to form node 7, the bases of transistors 2 and Td are used as inputs, and the collectors of transistors 1 and 2 and resistor 9 are connected to form node M, which is output node.