Commit fa94b91f by Javier Serrano

### Changes after rehearsing with team mates

parent d1781571
 ... ... @@ -164,6 +164,16 @@ $E(s) = 1 - H(s) = \frac{s}{s + K_{VCO} K_d F(s)}$ \includegraphics[height=0.7\textwidth]{misc/pll_psd.pdf} } \begin{frame}{How to drive the phase noise PSD curve down?} \begin{block}{Medium and high (Fourier) frequencies} Easy! Just buy a better oscillator. OCXO-based WR node in development at CERN achieves 100fs jitter (100Hz-5MHz). \end{block} \begin{block}{Low (Fourier) frequencies} Tricky. Usually involves serious architectural changes. See later. \end{block} \end{frame} \section{White Rabbit case} \subsection{} \begin{frame}{WR time transfer performance: basic test setup} ... ... @@ -182,15 +192,6 @@ $E(s) = 1 - H(s) = \frac{s}{s + K_{VCO} K_d F(s)}$ \end{frame} \begin{frame}{How to drive the phase noise PSD curve down?} \begin{block}{Medium and high (Fourier) frequencies} Easy! Just buy a better oscillator. OCXO-based node in development at CERN achieves 100fs jitter (100Hz-5MHz). \end{block} \begin{block}{Low (Fourier) frequencies} Tricky. Usually involves serious architectural changes. See next. \end{block} \end{frame} \begin{frame}{Digital Dual Mixer Time Difference}{DDMTD} \begin{itemize} ... ... @@ -204,7 +205,7 @@ $E(s) = 1 - H(s) = \frac{s}{s + K_{VCO} K_d F(s)}$ \end{center} \end{frame} \begin{frame}{Daughterboard Test Setup} \begin{frame}{Test setup for 10MHz switch output} \begin{center} \includegraphics[width=\textwidth]{measurements/WRSlowJitter/rsz_experimental_setup.png} \end{center} ... ... @@ -248,17 +249,6 @@ $E(s) = 1 - H(s) = \frac{s}{s + K_{VCO} K_d F(s)}$ \end{center} \end{frame} \begin{frame}{Test Results in Slave mode: PM noise} \begin{center} \includegraphics[height=.85\textheight]{measurements/WRSlowJitter/slave_pn.png} \end{center} \end{frame} \begin{frame}{Test Results in Slave mode: Modified ADEV} \begin{center} \includegraphics[height=.85\textheight]{measurements/WRSlowJitter/slave_mdev.png} \end{center} \end{frame} \begin{frame}{Need more information?} \begin{center} ... ...