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Date: 10/02/01 at 7:51 AM
Posted by: Angelo Sumayao
E-mail: angelo_s@lycos.com

Im suppose to input four analog inputs to my microcontroller. But unfortunately, the microcontroller I'm using has only two comparators. Therefore, I need to input the analog signals to the microcontroller alternately.

Initially, what Im planning is to use relays where i can control what analog signal is being inputted to my microcontroller, but, being mechanical in nature, relays takes time to energize (propagation delay) so i cant use this one, considering that i will be using fast switching in my application.

Can anyone help me to make a circuit for this one. How about with the use of transistors or op-amp? does anyone know how?

Follow Ups:

  Re: Switching between analog inputs keith wilson   Posted at: 10/02/01 (19)

  Re: Switching between analog inputs Angelo Sumayao   Posted at: 10/02/01 (18)

  Re: Switching between analog inputs keith wilson   Posted at: 10/03/01 (17)

  Re: Switching between analog inputs John Dunn - Consultant   Posted at: 10/13/01 (16)

  Re: Switching between analog inputs Hap   Posted at: 12/19/01 (15)

  Re: Switching between analog inputs John Dunn - Consultant   Posted at: 12/19/01 (14)

  Re: Switching between analog inputs Hap   Posted at: 12/28/01 (9)

  Re: Switching between analog inputs HEMAL   Posted at: 01/03/02 (8)

  Re: Switching between analog inputs Hap   Posted at: 01/03/02 (0)

  Re: Switching between analog inputs Hap   Posted at: 01/03/02 (6)

  Re: Switching between analog inputs kagok   Posted at: 04/18/02 (3)

  Re: Switching between analog inputs Hap   Posted at: 04/19/02 (2)

  Re: Switching between analog inputs kagok   Posted at: 04/21/02 (1)

  Re: Switching between analog inputs Hap   Posted at: 04/22/02 (0)

  Switching between analog inputs hemal   Posted at: 01/04/02 (1)

  Re: Switching between analog inputs Hap   Posted at: 02/01/02 (0)

  Re: Switching between analog inputs Hap   Posted at: 12/28/01 (0)

  Re: Switching between analog inputs Dominique   Posted at: 12/20/01 (2)

  Re: Switching between analog inputs John Dunn - Consultant   Posted at: 12/20/01 (1)

  Re: Switching between analog inputs Hap   Posted at: 12/21/01 (0)

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