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@ -702,8 +702,8 @@ The reported values are obtained from the oscilloscope.
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\end{multicols}
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\end{multicols}
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The ideal RMS voltage is described by the linear function $V_\mathrm{rms,ideal}(\mathrm{ASF})=\frac{V_\mathrm{rms}(0.1)}{0.1}*\mathrm{ASF}$.
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The expected RMS voltage is described by the linear function $V_\mathrm{rms,exp}(\mathrm{ASF})=\frac{V_\mathrm{rms}(0.1)}{0.1}*\mathrm{ASF}$.
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The measured RMS voltage divided by the full scale ideal RMS voltage (i.e. $V_\mathrm{rms,ideal}(1)$) is shown below.
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The measured RMS voltage divided by the full scale expected RMS voltage (i.e. $V_\mathrm{rms,exp}(1)$) is shown below.
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\begin{figure}[H]
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\begin{figure}[H]
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\centering
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\centering
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@ -767,11 +767,11 @@ The measured RMS voltage divided by the full scale ideal RMS voltage (i.e. $V_\m
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(0, 0) (0.1, 16.6691) (0.2, 33.3762) (0.3, 49.8844) (0.4, 67.055) (0.5, 83.652)
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(0, 0) (0.1, 16.6691) (0.2, 33.3762) (0.3, 49.8844) (0.4, 67.055) (0.5, 83.652)
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(0.6, 99.970) (0.7, 116.906) (0.8, 133.368) (0.9, 150.839) (1.0, 167.033)
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(0.6, 99.970) (0.7, 116.906) (0.8, 133.368) (0.9, 150.839) (1.0, 167.033)
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};
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};
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\legend{Ideal response, 0dB attenuation, 5dB attenuation, 10dB attenuation, 15dB attenuation}
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\legend{Expected response, 0dB attenuation, 5dB attenuation, 10dB attenuation, 15dB attenuation}
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\end{axis}
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\end{axis}
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\end{tikzpicture}
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\end{tikzpicture}
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\caption{RMS voltage scaled by ideal voltage at ASF=1, 100 MHz}
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\caption{RMS voltage scaled by expected voltage at ASF=1, 100 MHz}
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\end{figure}
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\end{figure}
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\newpage
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\newpage
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2
5108.tex
2
5108.tex
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@ -314,7 +314,7 @@ However, the sample rate in practice is typically limited by the use of ARTIQ-Py
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\hline
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\hline
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Resolution &\multicolumn{4}{c|}{16 bits}& \\
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Resolution &\multicolumn{4}{c|}{16 bits}& \\
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\thickhline
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\thickhline
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\multicolumn{6}{l}{*With the 50\textOmega~termination enabled, the input voltage magnitude must not exceed 5V.}
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\multicolumn{6}{l}{*At 1x gain with 50\textOmega~termination enabled, the input voltage magnitude must not exceed 5V.}
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\end{tabularx}
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\end{tabularx}
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\end{threeparttable}
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\end{threeparttable}
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\end{table}
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\end{table}
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20
7210.tex
20
7210.tex
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@ -35,7 +35,7 @@
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\item{Distribute a low jitter clock signal.}
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\item{Distribute a low jitter clock signal.}
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\item{SMA \& MMCX clock input.}
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\item{SMA \& MMCX clock input.}
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\item{4 SMA \& 6 MMCX output.}
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\item{4 SMA \& 6 MMCX output.}
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\item{\textless100 fs RMS clock jitter.}
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\item{\textless100 fs clock jitter.}
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\end{itemize}
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\end{itemize}
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\section{Applications}
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\section{Applications}
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@ -46,13 +46,12 @@
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\item{Drive clocks input for:\begin{itemize}
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\item{Drive clocks input for:\begin{itemize}
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\item{4410/4412 DDS Urukul}
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\item{4410/4412 DDS Urukul}
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\item{4456 Synthesizer Mirny}
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\item{4456 Synthesizer Mirny}
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\item{4624 Phaser}
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\end{itemize}}
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\end{itemize}}
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\end{itemize}
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\end{itemize}
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\section{General Description}
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\section{General Description}
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The 7210 Clocker card is a 4hp EEM module.
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The 7210 Clocker card is a 4hp EEM module.
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It distrubites clock signal with \textless100 fs RMS jitter.
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It distrubites clock signal with \textless100 fs jitter.
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Clock input can be supplied to Clocker through the external SMA connector or the internal MMCX connector.
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Clock input can be supplied to Clocker through the external SMA connector or the internal MMCX connector.
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The input source can be selected using an SPDT switch.
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The input source can be selected using an SPDT switch.
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@ -262,7 +261,7 @@ Otherwise, connect it to a carrier card (1124 Kasli or 1125 Kasli-SoC) using the
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Specifications are derived based on the datasheets of
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Specifications are derived based on the datasheets of
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the clock buffer (ADCLK950BCPZ\footnote{\label{clock_buffer}https://www.analog.com/media/en/technical-documentation/data-sheets/ADCLK950.pdf}) \&
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the clock buffer (ADCLK950BCPZ\footnote{\label{clock_buffer}https://www.analog.com/media/en/technical-documentation/data-sheets/ADCLK950.pdf}) \&
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the RF transformer (TCM2-43X+\footnote{\label{rf_transformer}https://www.minicircuits.com/pdfs/TCM2-43X+.pdf}).
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the RF transformer (TCM2-43X+\footnote{\label{rf_transformer}https://www.minicircuits.com/pdfs/TCM2-43X+.pdf}).
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Clock output specifications is tested by supplying a 100 MHz DDS signal to the SMA input connector.\footnote{\label{clocker6}https://github.com/sinara-hw/Clocker/issues/6\#issuecomment-414048168}
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Clock output specifications is tested by supplying a 100 MHz DDS signal to the SMA input connector.
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The output is connected to an oscilloscope with 50\textOmega~termination.
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The output is connected to an oscilloscope with 50\textOmega~termination.
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\begin{table}[h]
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\begin{table}[h]
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@ -275,12 +274,14 @@ The output is connected to an oscilloscope with 50\textOmega~termination.
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\textbf{Unit} & \textbf{Conditions} \\
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\textbf{Unit} & \textbf{Conditions} \\
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\hline
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\hline
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Clock input\repeatfootnote{clock_buffer}\textsuperscript{,}\repeatfootnote{rf_transformer} & & & & & \\
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Clock input\repeatfootnote{clock_buffer}\textsuperscript{,}\repeatfootnote{rf_transformer} & & & & & \\
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\hspace{3mm} Peak-to-peak voltage & 0.40 & & 2.40 & V\textsubscript{p-p} & \\
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\hspace{3mm} Differential peak-to-peak voltage & 0.40 & & 2.40 & V\textsubscript{p-p} & \\
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\hspace{3mm} Frequency & 10 & & 4000 & MHz & \\
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\hspace{3mm} Frequency & 10 & & 4000 & MHz & \\
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\hline
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\hline
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Clock output
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Differential output
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& & 0.8 & & V\textsubscript{p-p} & \multirow{3}{*}{50\textOmega~load, 100 MHz} \\
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& & 0.8 & & V\textsubscript{p-p} & \multirow{3}{*}{50\textOmega~load, 100 MHz} \\
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& & 5 & & dBm & \\
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& & 5 & & dBm & \\
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\cline{0-4}
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Rise time (-200mV to 200mV) & & 415 & & ps & \\
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\thickhline
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\thickhline
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\end{tabularx}
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\end{tabularx}
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\end{threeparttable}
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\end{threeparttable}
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@ -289,9 +290,14 @@ The output is connected to an oscilloscope with 50\textOmega~termination.
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\begin{figure}[H]
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\begin{figure}[H]
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\centering
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\centering
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\includegraphics[width=5in]{clocker_waveform.png}
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\includegraphics[width=5in]{clocker_waveform.png}
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\caption{Waveform of Clocker at 100 MHz\repeatfootnote{clocker6}}
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\caption{Waveform of Clocker at 100 MHz}
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\end{figure}
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\end{figure}
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\begin{figure}[H]
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\centering
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\includegraphics[width=5in]{clocker_rise_time.png}
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\caption{Rising Edge of Clocker at 100 MHz}
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\end{figure}
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\newpage
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\newpage
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\section{Selecting Clock Source}
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\section{Selecting Clock Source}
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