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<title>Voltage Amplifier PD200 - Test Bench</title>
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<h1 class="title">Voltage Amplifier PD200 - Test Bench</h1>
<div id="table-of-contents">
<h2>Table of Contents</h2>
<div id="text-table-of-contents">
<ul>
<li><a href="#org90ca17e">1. Voltage Amplifier Model</a></li>
<li><a href="#org26d3b73">2. Noise measurement</a></li>
<li><a href="#org83fb6ce">3. Transfer Function measurement</a></li>
</ul>
</div>
</div>
<div id="outline-container-org90ca17e" class="outline-2">
<h2 id="org90ca17e"><span class="section-number-2">1</span> Voltage Amplifier Model</h2>
<div class="outline-text-2" id="text-1">
<p>
The Amplifier is characterized by its dynamics from voltage inputs \(V_{in}\) to voltage output \(V_{out}\).
Ideally, the gain from \(V_{in}\) to \(V_{out}\) is constant over a wide frequency band with very small phase drop.
</p>
<p>
It is also characterized by its input noise \(n\).
This noise is described by its Power Spectral Density.
</p>
<div id="org8977a85" class="figure">
<p><img src="figs/pd200-model-schematic.png" alt="pd200-model-schematic.png" />
</p>
</div>
</div>
</div>
<div id="outline-container-org26d3b73" class="outline-2">
<h2 id="org26d3b73"><span class="section-number-2">2</span> Noise measurement</h2>
<div class="outline-text-2" id="text-2">
<div id="org11e9fa2" class="figure">
<p><img src="figs/setup-noise-measurement.png" alt="setup-noise-measurement.png" />
</p>
<p><span class="figure-number">Figure 2: </span>Figure caption</p>
</div>
</div>
</div>
<div id="outline-container-org83fb6ce" class="outline-2">
<h2 id="org83fb6ce"><span class="section-number-2">3</span> Transfer Function measurement</h2>
<div class="outline-text-2" id="text-3">
<div id="org6a1d091" class="figure">
<p><img src="figs/setup-dynamics-measurement.png" alt="setup-dynamics-measurement.png" />
</p>
<p><span class="figure-number">Figure 3: </span>Figure caption</p>
</div>
</div>
</div>
</div>
<div id="postamble" class="status">
<p class="author">Author: Dehaeze Thomas</p>
<p class="date">Created: 2020-12-14 lun. 17:26</p>
</div>
</body>
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#+TITLE: Voltage Amplifier PD200 - Test Bench
:DRAWER:
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#+EMAIL: dehaeze.thomas@gmail.com
#+AUTHOR: Dehaeze Thomas
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* Introduction :ignore:
The goal of this test bench is to characterize the Voltage amplifier [[https://www.piezodrive.com/drivers/pd200-60-watt-voltage-amplifier/][PD200]] from PiezoDrive.
* Voltage Amplifier Model
The Amplifier is characterized by its dynamics from voltage inputs $V_{in}$ to voltage output $V_{out}$.
Ideally, the gain from $V_{in}$ to $V_{out}$ is constant over a wide frequency band with very small phase drop.
It is also characterized by its input noise $n$.
This noise is described by its Power Spectral Density.
#+begin_src latex :file pd200-model-schematic.pdf
\begin{tikzpicture}
\node[block] (G) at (0,0){$G(s)$};
\node[addb, left=0.8 of G] (add){};
\draw[<-] (add.west) -- ++(-1.2, 0) node[above right]{$V_{in}$};
\draw[->] (add.east) -- (G.west);
\draw[->] (G.east) -- ++(1.2, 0) node[above left]{$V_{out}$};
\draw[<-] (add.north) -- ++(0, 0.6) node[below right](n){$n$};
\begin{scope}[on background layer]
\node[fit={(add.west|-G.south) (n.north-|G.east)}, inner sep=8pt, draw, dashed, fill=black!20!white] (P) {};
\node[below] at (P.north) {PD-200};
\end{scope}
\end{tikzpicture}
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#+name: fig:pd200-model-schematic
#+caption: Model of the voltage amplifier
#+RESULTS:
[[file:figs/pd200-model-schematic.png]]
* Noise measurement
#+begin_note
Here are the documentation of the equipment used for this test bench:
- Voltage Amplifier [[file:doc/PD200-V7-R1.pdf][PD200]]
- Load Capacitor [[file:doc/0900766b815ea422.pdf][EPCOS 10μF Multilayer Ceramic Capacitor]]
- Low Noise Voltage Amplifier [[file:doc/egg-5113-preamplifier.pdf][EG&G 5113]]
- Speedgoat ADC [[file:doc/IO131-OEM-Datasheet.pdf][IO313]]
#+end_note
#+name: fig:setup-noise-measurement
#+caption: Schematic of the test bench to measure the Power Spectral Density of the Voltage amplifier noise $n$
#+attr_latex: :width \linewidth
[[file:figs/setup-noise-measurement.png]]
* Transfer Function measurement
In order to measure the transfer function from the input voltage $V_{in}$ to the output voltage $V_{out}$, the test bench shown in Figure [[fig:setup-dynamics-measurement]] is used.
#+begin_note
Here are the documentation of the equipment used for this test bench:
- Voltage Amplifier [[file:doc/PD200-V7-R1.pdf][PD200]]
- Load Capacitor [[file:doc/0900766b815ea422.pdf][EPCOS 10μF Multilayer Ceramic Capacitor]]
- Speedgoat DAC/ADC [[file:doc/IO131-OEM-Datasheet.pdf][IO313]]
#+end_note
#+name: fig:setup-dynamics-measurement
#+caption: Schematic of the test bench to estimate the dynamics from voltage input $V_{in}$ to voltage output $V_{out}$
[[file:figs/setup-dynamics-measurement.png]]

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