[sdiy] Fun with LFSRs and such

[Tom Wiltshire]

On 27 Mar 2012, at 19:43, ASSI wrote:

>> But it becomes more interesting when it's used as a LF gate, and gets
>> even more interesting when the taps are chosen with "good" noise
>> not in mind. Long sequences of '1' or '0' intermingled with bursts
>> of more random behaviour = golden!
> 
> That'd be a non-maximum length LFSR. <snip>

It need not be. The maximum length LFSR will have groups of 1s and 0s together, as you'd expect if it were random.

http://en.wikipedia.org/wiki/Linear_feedback_shift_register#Output-stream_properties

T.