The organism moving direction judging circuit composed of heat releasing electric sensors

Published:2011/8/3 22:12:00 Author:Borg | Keyword: direction judging circuit, heat releasing electric sensors | From:SeekIC

This is the organism moving direction judging circuit composed of heat releasing electric sensors. In the circuit, the heat releasing electric sensors are IRA-F0OlSX (sensor 1 and sensor 2). A1 and A2(A3 and A4) are the 2-stage amplifiers, VTI and NE555(1)(VT2 and NE555(2)) are the waveform processors, which compose the signal processing circuit. Gl一G6 are the direction judging circuitS. NE555(1) and NE555(2) are required to have the unanimous working time, therefore, they need to be adjusted by potentiometer RP1. The principle of the circuit is shown as follows: if the object moves from sensor 1 to sensor 2, the output pulse of A and B is shown as figure 3-24(b).



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