Figuring out the amount of bandwidth a video signal requires on an IP network isn’t terribly hard, but it does require some familiarity with the underlying technologies and packet formats. Getting the ...

Ever since the dawn of the PBX, businesses have had to calculate their estimated telephone usage in order to determine how many trunks they would need coming into and out of their buildings. In the ...

Calculating the right amount of bandwidth for SIP trunks is a tricky, but not impossible, undertaking. As use of SIP trunking proliferates, IT organizations face the big challenge of calculating ...

There are several ways to evaluate the bandwidth of a signal in the time domain and frequency domain. Previously we looked at the classic relationship of rise time (t r) and bandwidth (f 3db) [Ref 1], ...

One extremely important yet not widely known characteristic of today’s high-performance RF signal analyzers is their use of a range of intermediate frequency (IF) filter bandwidth settings. IF ...

This rule of thumb enables us to estimate the highest frequency to worry about for a data signal. Spoiler summary: At the Tx, it is 2.5× the bitrate. At the Rx, in a lossy channel, it is the Nyquist: ...