Device for producing an oscillator signal
View Patent ↗The invention relates to a device and a method for producing an oscillator signal based on a base signal. Said oscillator signal is actively constructed by an oscillator. The oscillator can be quasi-phase-coherently excited by the base signal.
1. A device for generating an oscillator signal (B) based on a base signal (A), comprising
an oscillator ( 2 , 24 ) for the active construction of the oscillator signal (B) by means of oscillations,
an input ( 1 ) for the base signal (A), and
an output ( 3 ) for the oscillator signal (B) generated,
wherein the oscillator ( 2 ) can be excited quasi-phase-coherently with respect to the base signal (A) by means of the base signal (A) for generating the oscillator signal (B).
2. The device as claimed in claim 1 , further comprising switching means ( 4 ) for switching the quasi-phase-coherent exciteability of the oscillator ( 2 ).
3. The device as claimed in claim 2 , wherein the switching means ( 4 ) is constructed in such a manner that the oscillator ( 2 ) can be switched in a predetermined sequence.
4. The device as claimed in claim 3 , wherein the time between successive switching of the quasi-phase-coherent exciteability of the oscillator ( 2 ) is less than or equal to the coherence duration.
5. The device as claimed in claim 1 , further comprising means ( 4 ) for switching the oscillator ( 2 ) off.
6. The device as claimed in claim 1 , further comprising means ( 5 ) for sending out the oscillator signal (B).
7. The device as claimed in claim 3 , further comprising means ( 4 , 13 ) for coding the oscillator signal (B).
8. The device as claimed in claim 7 , wherein the switching means is constructed as the means ( 4 ) for coding.
9. The device as claimed in claim 7 , wherein the means ( 13 ) for coding is an additional modulation unit.
10. The device as claimed in claim 1 , further comprising adapting means ( 15 , 16 , 17 , 18 ) for adaptively adapting the frequency of the oscillator ( 2 ) to the frequency of the base signal (A).
11. The device as claimed in claim 1 , wherein the oscillator ( 2 ) has a building-up time which is short compared with the coherence duration.
12. The device as claimed in claim 1 , wherein the oscillator ( 2 ) can be excited by the fundamental mode and/or a subharmonic mode of the base signal (A).
13. An arrangement with a device as claimed in claim 3 and with a base station ( 6 ) for receiving the oscillator signal (B), wherein the base station ( 6 ) has a band-pass filter ( 12 ), the center frequency of which approximately corresponds to the clock rate.
14. The arrangement with a device as claimed in claim 3 , and with a base station ( 6 ) for receiving the oscillator signal (B), wherein the base station ( 6 ) has means for eliminating the influence of the clock rate.
15. A method for generating an oscillator signal (B) on the basis of a base signal (A), which comprises
exciting an oscillator ( 2 ) quasi-phase-coherently with respect to the base signal (A) by the base signal (A),
oscillating the oscillator ( 2 ) following the excitation, and
actively constructing an oscillator signal (B) with the oscillator due to the oscillation.
16. The device as claimed in claim 2 , further comprising means ( 4 ) for switching the oscillator ( 2 ) off.
17. The device as claimed in claim 2 , further comprising means ( 5 ) for sending out the oscillator signal (B).
18. The device as claimed in claim 1 , further comprising means ( 4 , 13 ) for coding the oscillator signal (B).
19. The device as claimed in claim 2 , further comprising means ( 4 , 13 ) for coding the oscillator signal (B).
20. The device as claimed in claim 2 , further comprising adapting means ( 15 , 16 , 17 , 18 ) for adaptively adapting the frequency of the oscillator ( 2 ) to the frequency of the base signal (A).