Unidirectional combination of three-state comparators and analog drive mode of logic circuit

Application Number: 00105162
Application Date: 2000.04.12
Publication Number: 1317877
Publication Date: 2001.10.17
Priority Information:
International: H03K19/20;H03K19/082
Applicant(s) Name: Hu Wusheng
Inventor(s) Name: Hu Wusheng
Patent Agency Code: 00000
Patent Agent:
Abstract A three-state comparator is composed of 4 transistor and 3 resistors. It features that the bases of transistors 1 and Ta are connected to form an input node A, the emitters of transistors 1 and Ta, the base of transistor 2 and resistor 4 are connected to form node 8, the emitters of transistors Ta and 2 and the resistor 3 are connected to form node 7, and the collectors of transistor 1 and 2 and resistor 9 are connected to form node M, which is output node.