Hi Ken/Chas,
I forwarded your QA to a consultant friend of mine who specializes in wireless
and co-existance, Dr. Robert Morrow. Here's his comments.
802.11b has a bandwidth of around 22 MHz, and the slower data rates of 1 and 2
Mb/s have some spread spectrum processing gain (about 10 dB)
Hello all,
Spread spectrum clocking has a *wonderful* effect on radiated emissions
especially DDR generated noise.
My question is: Given the high degree of integration in today's products:
Does anyone have concrete experiences of degraded WiFi performance as a result
of using SSC?
Best
Just some basic observations. In order for a dithered clock to solve a
regulatory problem, the frequency shift must be greater than the measurement
bandwidth. In order for the dithered clock to solve an EMI problem, the
frequency shift must be larger than the potential victim¹s bandwidth.
In an
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