Jun 20, 2006 #1 D dtparekh Member level 1 Joined Nov 6, 2004 Messages 38 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Location India Activity points 313 microcontroller and noisy environment Hello friends, Can any one suggest a microcontroller which is highly immune to noise from 8051 family? I am currently using 89C2051 for my application but the circuit is to be placed in very noisy environment. Noise level is high. So please suggest a microcontroller which works in noisy environment or remedies to prevent malfunctioning of 89C2051 in noisy environment Thanks in advance.
microcontroller and noisy environment Hello friends, Can any one suggest a microcontroller which is highly immune to noise from 8051 family? I am currently using 89C2051 for my application but the circuit is to be placed in very noisy environment. Noise level is high. So please suggest a microcontroller which works in noisy environment or remedies to prevent malfunctioning of 89C2051 in noisy environment Thanks in advance.
Jun 20, 2006 #2 N nikhilele Advanced Member level 3 Joined Jan 11, 2006 Messages 805 Helped 101 Reputation 202 Reaction score 76 Trophy points 1,308 Location Bangalore India Activity points 6,376 plz tell us what type of noise its there 1> line noise 2> EMI 3> RF noise etc..... plz give little details of environment
plz tell us what type of noise its there 1> line noise 2> EMI 3> RF noise etc..... plz give little details of environment
Jun 20, 2006 #3 D dtparekh Member level 1 Joined Nov 6, 2004 Messages 38 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Location India Activity points 313 Dear friend, Its RF noise & EMI both. Its type of argon sparking environment. But there is no line noise thanks & Regards
Dear friend, Its RF noise & EMI both. Its type of argon sparking environment. But there is no line noise thanks & Regards
Jun 20, 2006 #4 Beowolf Full Member level 2 Joined Jun 19, 2006 Messages 130 Helped 11 Reputation 22 Reaction score 3 Trophy points 1,298 Activity points 2,071 Why not simply shield it (metal case, grounded), and use optocoupler isolated I/O, even drive it fro a battery if you can't filter out he suply (via large caps and chokes) ?
Why not simply shield it (metal case, grounded), and use optocoupler isolated I/O, even drive it fro a battery if you can't filter out he suply (via large caps and chokes) ?
Jun 21, 2006 #5 D dtparekh Member level 1 Joined Nov 6, 2004 Messages 38 Helped 1 Reputation 2 Reaction score 0 Trophy points 1,286 Location India Activity points 313 But are there specially designed noise immune micro controller(8051 family )? or someother family which are highly immune to noise like RF & EMI? please do suggest some µC thanks
But are there specially designed noise immune micro controller(8051 family )? or someother family which are highly immune to noise like RF & EMI? please do suggest some µC thanks
Jun 21, 2006 #6 N nikhilele Advanced Member level 3 Joined Jan 11, 2006 Messages 805 Helped 101 Reputation 202 Reaction score 76 Trophy points 1,308 Location Bangalore India Activity points 6,376 are u aware the frequency range of your EMI/RFI noise then u can concentrate more on emi filters and connectors
are u aware the frequency range of your EMI/RFI noise then u can concentrate more on emi filters and connectors