diff --git a/figs/amplifier_PD200.png b/figs/amplifier_PD200.png new file mode 100644 index 0000000..65a6d34 Binary files /dev/null and b/figs/amplifier_PD200.png differ diff --git a/index.html b/index.html index 118aae7..4962867 100644 --- a/index.html +++ b/index.html @@ -3,7 +3,7 @@ "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> - + Voltage Amplifier PD200 - Test Bench @@ -30,22 +30,22 @@

Table of Contents

@@ -58,10 +58,17 @@ The goal of this test bench is to characterize the Voltage amplifier here.

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1 Voltage Amplifier Requirements

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amplifier_PD200.png +

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Figure 1: Picture of the PD200 Voltage Amplifier

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+ +
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1 Voltage Amplifier Requirements

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@@ -105,10 +112,10 @@ The documentation of the PD200 is accessible here< -
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2 PD200 Expected characteristics

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2 PD200 Expected characteristics

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Table 1: Requirements for the Voltage Amplifier
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@@ -183,27 +190,27 @@ The documentation of the PD200 is accessible here<
Table 2: Characteristics of the PD200

-For a load capacitance of \(10\,\mu F\), the expected \(-3\,dB\) bandwidth is \(6.4\,kHz\) (Figure 1) and the low frequency noise is \(650\,\mu V\,\text{rms}\) (Figure 2). +For a load capacitance of \(10\,\mu F\), the expected \(-3\,dB\) bandwidth is \(6.4\,kHz\) (Figure 2) and the low frequency noise is \(650\,\mu V\,\text{rms}\) (Figure 3).

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pd200_expected_small_signal_bandwidth.png

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Figure 1: Expected small signal bandwidth

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Figure 2: Expected small signal bandwidth

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pd200_expected_noise.png

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Figure 2: Expected Low frequency noise from 0.03Hz to 20Hz

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Figure 3: Expected Low frequency noise from 0.03Hz to 20Hz

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3 Voltage Amplifier Model

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3 Voltage Amplifier Model

The Amplifier is characterized by its dynamics \(G_a(s)\) from voltage inputs \(V_{in}\) to voltage output \(V_{out}\). @@ -216,22 +223,22 @@ This noise is described by its Power Spectral Density.

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pd200-model-schematic.png

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Figure 3: Model of the voltage amplifier

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Figure 4: Model of the voltage amplifier

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4 Noise measurement

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4 Noise measurement

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4.1 Setup

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4.1 Setup

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Here are the documentation of the equipment used for this test bench:

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setup-noise-measurement.png

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Figure 4: Schematic of the test bench to measure the Power Spectral Density of the Voltage amplifier noise \(n\)

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Figure 5: Schematic of the test bench to measure the Power Spectral Density of the Voltage amplifier noise \(n\)

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4.2 Results

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4.2 Results

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5 Transfer Function measurement

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5 Transfer Function measurement

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5.1 Setup

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5.1 Setup

-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 5 is used. +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 6 is used.

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Here are the documentation of the equipment used for this test bench:

@@ -305,22 +312,22 @@ For this measurement, the sampling frequency of the Speedgoat ADC should be as h

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setup-dynamics-measurement.png

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Figure 5: Schematic of the test bench to estimate the dynamics from voltage input \(V_{in}\) to voltage output \(V_{out}\)

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Figure 6: Schematic of the test bench to estimate the dynamics from voltage input \(V_{in}\) to voltage output \(V_{out}\)

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5.2 Results

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5.2 Results

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6 Conclusion

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6 Conclusion

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Author: Dehaeze Thomas

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Created: 2020-12-16 mer. 16:21

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Created: 2021-01-04 lun. 11:09

diff --git a/index.org b/index.org index 69bee25..0389ccf 100644 --- a/index.org +++ b/index.org @@ -45,6 +45,10 @@ The goal of this test bench is to characterize the Voltage amplifier [[https://w The documentation of the PD200 is accessible [[file:doc/PD200-V7-R1.pdf][here]]. +#+name: fig:amplifier_PD200 +#+caption: Picture of the PD200 Voltage Amplifier +[[file:figs/amplifier_PD200.png]] + * Voltage Amplifier Requirements #+name: tab:voltage_amplifier_requirements
Table 3: Measured characteristics, Manual characterstics and specified ones