November 2007
Intermediate to advanced
736 pages
46h 32m
English
One cycle of variation covers a distance of one wavelength (λ) on the tape. If T is the time period in seconds then
If S denotes the speed of the tape, we have
For optimum output, the gap-width should be half a wavelength of the maximum usable frequency (fm)
Equation 10.2 gives the maximum usable frequency (fm) in terms of tape speed S and gap width G. Thus, increasing the tape speed increases the maximum usable frequency corresponding to reasonably good output.
Example 10.1 ...
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