werner at openmoko.org
Thu Jun 24 19:16:10 EDT 2010
JDH services wrote:
> On 6/24/10, Werner Almesberger <werner at openmoko.org> wrote:
>> MSK is a special configuration of FSK:
> "MSK can also be viewed as a continuous phase frequency shift keyed
> (CPFSK) signal with a frequency separation of one-half the bit rate."
> from http://en.wikipedia.org/wiki/Minimum-shift_keying
Yes, MSK is a CPFSK is an FSK [1, 2] is an FM. Silabs don't mention
explicitly that their FSK has continuous phase. However, their use
of a VCO (as opposed to a pair of oscillators as shown in )
strongly suggests this. For (GMSK is a) GFSK, only continuous phase
would make sense anyway.
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