Four-redundancy discrete signal integrated circuit
A discrete signal, four-redundancy technology, applied in the field of avionics, can solve problems such as complex circuit structure, lower reliability, increase circuit complexity and cost, etc., achieve simple circuit structure, improve reliability, and omit signal processing and transformation The effect of the circuit
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[0008] The present invention will be described in further detail below. see figure 2 , a four-redundancy discrete signal integrated circuit is characterized in that it consists of four triode switch circuits with the same circuit structure from the first triode switch circuit 1 to the fourth triode switch circuit 4, and the triode switch circuit consists of NPN transistor G1, PNP transistor G2, resistors R1, R2, R3 and R4, and diode D. One end of resistor R1 is the discrete signal input end, and the other end is connected to the base of transistor G1. The emitter of transistor G1 is connected to the ground signal. R2 is connected between the collector of the transistor G1 and the base of the transistor G2, the resistor R3 is connected between the base of the transistor G2 and the collector of the transistor G2, the collector of the transistor G2 is the power input terminal, and the resistor R4 is connected to the transistor Between the G2 emitter and the positive pole of the...
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