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Lucy Liang edited As_stated_in_the_methods__1.tex
over 8 years ago
Commit id: 773252e03ac46b132fe7b9e1e90b0f7f35f7ae08
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As stated in the methods section, our settings for the Noise Fundamentals devices were as follows: we used the trans-impedance amplifier with a resistance of $10 k \Omega$, a Gain ($G1$) of $\times100$ through the preamp, we used a bandwidth of $100$ KHz which has an equivalent noise bandwidth of
$115.303$ KHz, $115.303\textrm{KHz}$ , and we varied the voltage across the photo-diode from $0$ to $-120 \textrm{ mV}$.
To avoid saturating the values of $V_{sq}$ (read from the multimeter attached after the signal ($V_{sq}$) went through the filter, the gain, and the multiplier) we had to vary the gain ($G2$) from $\times5000$, to $\times4000$, and finally to $\times3000$. Our multiplier had a setting of AxA because we needed to square the signal. We recorded the Vsq values in Volts and we recorded the V across the photo-diode in mV. $V_{sq}$ is the signal that has been filtered.