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1. Study on phase noise modeling in CMOS oscillator.

2. The phase noise impacts significantly the performance of high-order QAM (Quadrature Amplitude Modulation) demodulator, of which the carrier recovery loop proves to be the bottleneck.

3. As a result, a comparatively accurate PLL synthesizer phase noise prediction algorithm was obtained.

4. It is shown that the phase noise spectrum density shift periodicity with the length of external cavity and the peak value of power spectrum density varies considerably with the feedback coupling rate.

5. This paper introduces mainly phase noise and its spectrum characters in pulse modulation wave, and promotes a new measurement system about phase noise using Digital PLL (Phase Locked Loop).

6. The main objective of LCVCO design is low phase noise, wide tuning range and low power consumption.

7. By the way, quantum noise, especially the phase noise that effects parameters such as linewidth, can be systematically represent.

8. Design and phase noise analysis of a MEMS varactor is presented.

9. As a result, a 1.08GHz, low phase noise transformer coupling quadrature LC VCO is finished according to the proposed model.

10. Low SSB phase noise and high spurious rejection for all in - channel and blocking measurements.

11. Article concludes with a phase-locked loop phase noise improvement approach.

12. This paper introduces the influences of phase noise to radar systems. The measurement of phase noise in pulse modulated carrier is one of the most important techniques.

13. Through inductor optimization, the VCO has a low phase noise and a wide tuning range with switched capacitor array and NMOS varactor.

14. In this dissertation, the basic theory of low phase noise millimeter wave source based on DRO is described at first.

15. The simulation results show that the sample-and-hold element can greatly reduce phase noise and spurious noise in the loop.

16. Flicker noise is approximately simulated by power law model of phase noise spectral density.

17. How to gain an optimum relationship between power consumption, phase noise, time of starting oscillation and tuning range is the main point focused in this design.

18. Then follows theoretical analysis of influence that active and passive element does to phase noise.

19. DRO ( dielectric resonator oscillator ) has the characteristics of high frequency stability and low phase noise.sentence dictionary

20. As a result , a. 08 GHz , low phase noise transformer coupling quadrature LC VCO according to themodel.

21. At a receiver, a phase rotation of the received data stream is determined to remove a residual frequency error or to estimate the phase noise.

22. Furthermore, it points out how to design loop filter and VCO to get optimum phase noise performance under pre-selected phase discriminator and phase divider.

23. These circuits are optimized for both crystal drive level and phase noise.

24. For, the paper mainly focus on the theory and technology of low phase noise PLL design.

25. The output clock pulse of clock recovery should have the features of high speed, low phase noise, high sensitivity, no polarization sensitivity, and stability.

26. The paper introduce the concepts of timing parameters, including: jitter, phase noise, skew, frequency stabilization, and the relationship between them.

27. It has the advantage of high frequency resolution and low phase noise Nloop ( NPLL ) frequency synthesis.

28. Multi-level Quadrature Amplitude Modulation is very sensitive to carrier phase noise.

29. This paper introduces a DTMF software synthesizer based on DDS and its implementation and analyzes the effect of phase noise spurious noise and phase truncation error on output wave form.

30. Round the feature of the ultrafast speed, make the detailed description of phase noise, receiver noise figure, launch power, threshold level of system.