-2
$\begingroup$

In these days we can able to easily calculate the bandwidths with the help of technology, but in olden days where people used the analog phones, how did they calculated the bandwidths?

$\endgroup$
  • 2
    $\begingroup$ sliderules. (dummy chars to make it 30) $\endgroup$ – robert bristow-johnson May 20 '14 at 14:02
  • 2
    $\begingroup$ Perhaps you should read a short story The Feeling of Power by Isaac Asimov and then edit your question appropriately. $\endgroup$ – Dilip Sarwate May 20 '14 at 14:08
1
$\begingroup$

I may have used a sweepable oscillator for input with an oscilloscope to examine the output response in one engineering course lab, then compared a graph of the lab experimental results with some slide rule calculations.

$\endgroup$

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.