HELP needed on RS-232 waveform

NiCeBoY

New Member
Hello,
i need to :

I did the sketch as i attached below, can anyone check it and let me know if its good please and how i calculate and show the symbol time in both waveform please?

below is my waveform as attachment :


thanks.
 

Attachments

  • datac.JPG
    37.2 KB · Views: 1,454
The waveforms seem correct. The idle condition is logic 1 for both voltage levels, the same as the stop bit. The start bit commences with the transition from logic 1 to logic 0, at the end of the stop bit or at the end of an idle period.

The overall period is 10 times the bit period, as you have 7 data, one parity, one start and one stop bit.
 
also can anyone help me out to find out the Coding Efficiency, Redundancy, Transmission Efficiency & System Efficiency.

And how do i show on the above sketch the symbol time.

Thanks
 
Darn you didnt read your own homework question. The question says 7 0 1. You got the parity wrong, i'll leave it up to you to fix 'cos i'm not doing your homework for you.

Also you should show the bus free state before the start bit.
 
Cookies are required to use this site. You must accept them to continue using the site. Learn more…