Time domain measurement of phase noise in a spin torque oscillator

Details Time domain measurement of phase noise in a spin torque oscillator Time domain measurement of phase noise in a spin torque oscillator

2009-04-07

arxiv.org/abs/0904.1214v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

6 pages, 5 figures, supplementary material. Submitted to {Appl. Phys. Lett.}

Scientific paper

We measure oscillator phase from the zero crossings of the voltage vs. time waveform of a spin torque nanocontact oscillating in a vortex mode. The power spectrum of the phase noise varies with Fourier frequency $f$ as $1/f^2$, consistent with frequency fluctuations driven by a thermal source. The linewidth implied by phase noise alone is about 70 % of that measured using a spectrum analyzer. A phase-locked loop reduces the phase noise for frequencies within its 3 MHz bandwidth.

Affiliated with

Also associated with

No associations

Rating

Time domain measurement of phase noise in a spin torque oscillator does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Time domain measurement of phase noise in a spin torque oscillator, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Time domain measurement of phase noise in a spin torque oscillator will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-213626