4410: add asf vs v_rms

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occheung 2022-06-23 16:58:16 +08:00
parent 42cbd9e195
commit 6d9faa7bb9
1 changed files with 199 additions and 0 deletions

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@ -581,6 +581,205 @@ Harmonic content of the DDS signals from 4410 DDS Urukul is tabulated below\foot
\newpage
The RMS voltage of a 4410 DDS Urukul channel at different amplitude scale factor is measured.
The DDS channel is directly connected to an oscilloscope with a 50\textOmega~termination.
The reported values are obtained from the oscilloscope.
\begin{multicols}{2}
\begin{figure}[H]
\begin{tikzpicture}
\begin{axis}[
% title={RMS Voltage with 50\textOmega~termination \& 0dB attenuation},
xlabel={AD9910 Amplitude Scale Factor},
ylabel={DDS RMS Voltage ($V_{rms}$)},
xmin=0, xmax=1,
ymin=0, ymax=1,
xtick={0, 0.2, 0.4, 0.6, 0.8, 1},
ytick={0, 0.2, 0.4, 0.6, 0.8, 1},
legend pos=north west,
ymajorgrids=true,
grid style=dashed,
]
\addplot[
color=black,
mark=square,
samples=11
] coordinates {
(0.0, 0) (0.1, 0.087924) (0.2, 0.176157) (0.3, 0.262437) (0.4, 0.345833) (0.5, 0.429203)
(0.6, 0.512235) (0.7, 0.59130) (0.8, 0.66877) (0.9, 0.73344) (1.0, 0.78761)
};
\addplot[
color=blue,
mark=square,
samples=11
] coordinates {
(0.0, 0) (0.1, 0.089807) (0.2, 0.179723) (0.3, 0.268852) (0.4, 0.354310) (0.5, 0.441055)
(0.6, 0.526386) (0.7, 0.61233) (0.8, 0.69044) (0.9, 0.75856) (1.0, 0.81703)
};
\addplot[
color=green,
mark=square,
samples=11
] coordinates {
(0.0, 0) (0.1, 0.093101) (0.2, 0.186762) (0.3, 0.277704) (0.4, 0.369172) (0.5, 0.459391)
(0.6, 0.548191) (0.7, 0.63607) (0.8, 0.71469) (0.9, 0.78221) (1.0, 0.84139)
};
\addplot[
color=red,
mark=square,
samples=11
] coordinates {
(0, 0) (0.1, 0.092502) (0.2, 0.184728) (0.3, 0.276224) (0.4, 0.366914) (0.5, 0.457255)
(0.6, 0.544924) (0.7, 0.62991) (0.8, 0.70582) (0.9, 0.77104) (1.0, 0.82737)
};
\legend{200 MHz, 100 MHz, 50 MHz, 10 MHz}
\end{axis}
\end{tikzpicture}
\caption{RMS voltage, 0dB attenuation}
\end{figure}
\begin{figure}[H]
\begin{tikzpicture}
\begin{axis}[
% title={RMS Voltage with 50\textOmega~termination \& 15dB attenuation},
xlabel={AD9910 Amplitude Scale Factor},
ylabel={DDS RMS Voltage ($mV_{rms}$)},
xmin=0, xmax=1,
ymin=0, ymax=200,
xtick={0, 0.2, 0.4, 0.6, 0.8, 1},
ytick={0, 40, 80, 120, 160, 200},
legend pos=north west,
ymajorgrids=true,
grid style=dashed,
]
\addplot[
color=black,
mark=square,
samples=11
] coordinates {
(0, 0) (0.1, 16.1805) (0.2, 32.1530) (0.3, 48.2039) (0.4, 64.172) (0.5, 80.452)
(0.6, 96.405) (0.7, 112.427) (0.8, 128.776) (0.9, 144.967) (1.0, 161.148)
};
\addplot[
color=blue,
mark=square,
samples=11
] coordinates {
(0, 0) (0.1, 16.6691) (0.2, 33.3762) (0.3, 49.8844) (0.4, 67.055) (0.5, 83.652)
(0.6, 99.970) (0.7, 116.906) (0.8, 133.368) (0.9, 150.839) (1.0, 167.033)
};
\addplot[
color=green,
mark=square,
samples=11
] coordinates {
(0, 0) (0.1, 17.0562) (0.2, 34.0713) (0.3, 51.0456) (0.4, 68.241) (0.5, 85.241)
(0.6, 102.328) (0.7, 119.279) (0.8, 136.584) (0.9, 153.737) (1.0, 170.829)
};
\addplot[
color=red,
mark=square,
samples=11
] coordinates {
(0, 0) (0.1, 16.8030) (0.2, 33.6407) (0.3, 50.4039) (0.4, 67.348) (0.5, 84.127)
(0.6, 100.852) (0.7, 117.618) (0.8, 134.415) (0.9, 151.267) (1.0, 168.160)
};
\legend{200 MHz, 100 MHz, 50 MHz, 10 MHz}
\end{axis}
\end{tikzpicture}
\caption{RMS voltage, 15dB attenuation}
\end{figure}
\columnbreak
\begin{figure}[H]
\begin{tikzpicture}
\begin{axis}[
% title={RMS Voltage with 50\textOmega~termination \& 0dB attenuation},
xlabel={AD9910 Amplitude Scale Factor},
ylabel={DDS RMS Voltage ($V_{rms}$)},
xmin=0, xmax=1,
ymin=0, ymax=1,
xtick={0, 0.2, 0.4, 0.6, 0.8, 1},
ytick={0, 0.2, 0.4, 0.6, 0.8, 1},
legend pos=north west,
ymajorgrids=true,
grid style=dashed,
]
\addplot[
color=blue,
mark=square,
samples=11
] coordinates {
(0.0, 0) (0.1, 0.089807) (0.2, 0.179723) (0.3, 0.268852) (0.4, 0.354310) (0.5, 0.441055)
(0.6, 0.526386) (0.7, 0.61233) (0.8, 0.69044) (0.9, 0.75856) (1.0, 0.81703)
};
\addplot[
color=blue,
samples=2,
very thick,
dotted
] {0.089807*10*x};
\legend{Measured, Linear Model}
\end{axis}
\end{tikzpicture}
\caption{RMS voltage at 100 MHz, 0dB attenuation}
\end{figure}
\begin{figure}[H]
\begin{tikzpicture}
\begin{axis}[
% title={RMS Voltage with 50\textOmega~termination \& 15dB attenuation},
xlabel={AD9910 Amplitude Scale Factor},
ylabel={DDS RMS Voltage ($mV_{rms}$)},
xmin=0, xmax=1,
ymin=0, ymax=200,
xtick={0, 0.2, 0.4, 0.6, 0.8, 1},
ytick={0, 40, 80, 120, 160, 200},
legend pos=north west,
ymajorgrids=true,
grid style=dashed,
]
\addplot[
color=blue,
mark=square,
samples=11
] coordinates {
(0, 0) (0.1, 16.6691) (0.2, 33.3762) (0.3, 49.8844) (0.4, 67.055) (0.5, 83.652)
(0.6, 99.970) (0.7, 116.906) (0.8, 133.368) (0.9, 150.839) (1.0, 167.033)
};
\addplot[
color=blue,
samples=2,
very thick,
dotted
] {16.6691*10*x};
\legend{Measured, Linear Model}
\end{axis}
\end{tikzpicture}
\caption{RMS voltage at 100 MHz, 15dB attenuation}
\end{figure}
\end{multicols}
\newpage
\begin{multicols}{2}
\begin{figure}[H]