[Multisim Simulation] LM339 zero crossing circuit simulation

【Multisim Simulation 】LM339 Zero crossing circuit simulation

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• Multisim Simulation
  

The AC signal input part uses an amplitude of 8V, The frequency is 50Hz The alternating current of ,LM339 Yes, positive and negative 12V Power supply ,7408N use 5V DC power supply , Pin 1 And pins 2 The output of uses a 12V Pull up the power supply , For convenience of observation , Compare the relationship between output and input , During the simulation, a four trace oscilloscope is used to observe the input signals respectively , Pin 1 and 2 as well as 7408N Output .

Simulation resources

be based on Multisim14 platform

 link ：https://pan.baidu.com/s/1W8Z01ymWewOBROFQLAfvrQ 
 Extraction code ：g0hc

• Reference source ：https://www.chip37.com/article/111.html