#+TITLE: Equipment used to make the measurements
:DRAWER:
#+STARTUP: overview

#+LANGUAGE: en
#+EMAIL: dehaeze.thomas@gmail.com
#+AUTHOR: Dehaeze Thomas

#+HTML_LINK_HOME: ../index.html
#+HTML_LINK_UP:   ../index.html

#+HTML_HEAD: <link rel="stylesheet" type="text/css" href="https://research.tdehaeze.xyz/css/style.css"/>
#+HTML_HEAD: <script type="text/javascript" src="https://research.tdehaeze.xyz/js/script.js"></script>

#+HTML_MATHJAX: align: center tagside: right font: TeX

#+PROPERTY: header-args:matlab  :session *MATLAB*
#+PROPERTY: header-args:matlab+ :comments org
#+PROPERTY: header-args:matlab+ :results none
#+PROPERTY: header-args:matlab+ :exports both
#+PROPERTY: header-args:matlab+ :eval no-export
#+PROPERTY: header-args:matlab+ :output-dir figs

#+PROPERTY: header-args:shell  :eval no-export
:END:

* Geophone
L22

* Speedgoat
- ADC: 16bits
- DAC: 16bits

* Voltage amplifier

#+name: fig:voltage_amplifier
#+caption: Picture of the voltage amplifier DLPVA
#+attr_latex: :scale 1
[[file:./img/DLPVA_W_R2.jpg]]


*Specifications*:
- Switchable gain up to 100 dB (x 100,000)
- Bandwidth DC to 100 kHz
- DC-drift 0.6 µV/°C
- Input noise down to 0.4 nV/√Hz
- Switchable AC/DC-coupling
- Local and remote control
- Input impedance up to 1 TΩ

The documentation of the voltage amplifier is accessible [[file:documents/dlpva_datasheet.pdf][here]].

The exact model is DLPVA-100-B-D