Oscillators – Automatic frequency stabilization using a phase or frequency... – With intermittent comparison controls
Patent
1995-06-30
1996-11-19
Grimm, Siegfried H.
Oscillators
Automatic frequency stabilization using a phase or frequency...
With intermittent comparison controls
331 10, 331 16, 331 18, 331 25, H03L 7081, H03L 716
Patent
active
055766650
ABSTRACT:
A method and a device for changing the phase of a generated signal by a predetermined value in a device for frequency generation. In the device for frequency generation, the generated signal is phase-locked to a reference signal where non-integer multiples of the frequency of the generated signal may be phase-locked to the reference signal by changing the phase of each of the periods of the reference signal by a value which determines the frequency of the generated signal. The phase is changed by a phase-shifter. The change of the phase of the generated signal is made by controlling the phase-shifter so that no change of the phase of the reference signal is made during at least one period of the reference signal.
REFERENCES:
patent: 4495473 (1985-01-01), Treise
patent: 4546328 (1985-10-01), Smith et al.
patent: 4668923 (1987-05-01), Lofter
Grimm Siegfried H.
Telefonaktiebolaget LM Ericsson
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