Frequency synthesis device with high multiplication rank
AssigneeCommissariat A L'energie Atomique Et Aux Energies Alternatives
InventorsClement JANY, Frederic HAMEAU, Alexandre SILIGARIS
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Abstract
A frequency synthesis device with high multiplication rank, including a base frequency generator generating two first base signals of square shape of same frequency and opposite to each other, a first synthesis stage including two first switching power supply oscillators, of which the power supplies are respectively switched by the two first base signals, a second synthesis stage including a second switching power supply oscillator of which the supply is switched by a combination of the output signals of the two first oscillators, the output of the second switching power supply oscillator being filtered by a frequency discriminator circuit realized with an injection locked oscillator.
Claims8
1-7. (canceled)
A frequency synthesis device comprising:
- a base frequency generator suited to generating a plurality K of first base signals, said first base signals being clock signals with non-overlapping phases, of same frequency f1;
- a first synthesis stage including a plurality K of first switching power supply oscillators of identical structure and of same natural frequency, fG1, the power supplies of these K first oscillators being respectively switched by said K base signals, the output signals of these K first oscillators being combined to supply a second base signal, of square shape and periodic, of frequency f2=Nf1 where N is an integer;
- a second synthesis stage including a second switching power supply oscillator of which the supply is switched by the second base signal, the output signal of this second oscillator being in the form of wave trains, the repetition frequency of these wave trains being equal to f2 and the frequency of these waves being equal to Mf2 where M is an integer, the second synthesis stage further including a frequency discriminator circuit adapted to filtering the output signal of the second oscillator to supply a sinusoidal signal at the frequency Mf2.
Dependencies are inferred from the claim text.