Changeset 474 for Selma


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Timestamp:
Sep 8, 2009, 2:50:08 PM (15 years ago)
Author:
campagne
Message:

with figures (JEC)

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1 edited

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  • Selma/PARISROC/parisroc-jinst.tex

    r473 r474  
    11\documentclass{JINST}
    22\usepackage[pdftex]{graphicx}
     3\graphicspath{{figures/}}
    34\usepackage[figuresright]{rotating}
    45%\usepackage{graphicx}
     
    9293Si-Ge Read Out Chip.
    9394
    94 \begin{figure}[htb]
     95\begin{figure}[!htbp]
    9596\begin{center}
    96 \includegraphics[width=0.7\columnwidth]{img0.jpg}
     97\includegraphics[width=0.7\columnwidth,height=6cm]{img1.jpg}
    9798\caption{Principal of PMm2 proposal for megaton scale Cerenkov water
    9899tank.}
     
    120121
    121122\begin{center}
    122 \begin{figure}[htb]
    123 %%\includegraphics[width=0.7\columnwidth]{img1.eps}
     123\begin{figure}[!!htbp]
     124\includegraphics[width=0.7\columnwidth,height=6cm]{img2.jpg}
    124125\caption{Principle of the PMm2 project.}
    125126\label{fig:2}
     
    133134
    134135\begin{center}
    135 \begin{figure}[hbtp]
    136 %%\includegraphics[width=0.7\columnwidth]{img2.eps}
     136\begin{figure}[!htbp]
     137\includegraphics[width=0.7\columnwidth,height=6cm]{img3.jpg}
    137138\caption{PARISROC global schematic.}
    138139\label{fig:3}
     
    173174
    174175\begin{center}
    175 \begin{figure}[hbtp]
    176 %%\includegraphics[width=0.7\columnwidth]{img3.eps}
     176\begin{figure}[!htbp]
     177\includegraphics[width=0.7\columnwidth,height=6cm]{img4.jpg}
    177178\caption{PARISROC Layout.}
    178179\label{fig:4}
     
    187188
    188189\begin{center}
    189 \begin{figure}[hbtp]
    190 %%\includegraphics[width=0.7\columnwidth]{img4.eps}
     190\begin{figure}[!htbp]
     191\includegraphics[width=0.7\columnwidth,height=6cm]{img5.jpg}
    191192\caption{PARISROC one channel analogue part schematic.}
    192193\label{fig:5}
     
    207208
    208209\begin{center}
    209 \begin{figure}[htb]
    210         %%\includegraphics[width=0.7\columnwidth]{img5.eps}
     210\begin{figure}[!htb]
     211\includegraphics[width=0.7\columnwidth,height=6cm]{img6.jpg}
    211212        \caption{PARISROC preamplifier schematic.}
    212213        \label{fig:6}
     
    239240
    240241\begin{center}
    241 \begin{figure}[hbtp]
    242 %%\includegraphics[width=0.7\columnwidth]{img6.eps}%%\includegraphics[width=0.7\columnwidth]{img7.eps}
    243 \caption{Simulated preamplifier output waveforms for different input
     242\begin{figure}[!htbp]
     243\begin{tabular}{rl}
     244\includegraphics[width=0.5\columnwidth,height=6cm]{img7a.jpg} &
     245\includegraphics[width=0.5\columnwidth,height=6cm]{img7b.jpg}
     246\end{tabular}
     247caption{Simulated preamplifier output waveforms for different input
    244248signals with fixed gain (left panel) and for fixed input
    245249signal at different gain (different input capacitor values (right
     
    256260
    257261\begin{center}
    258 \begin{figure}[hbtp]
    259 %%\includegraphics[width=0.7\columnwidth]{img8.eps}
     262\begin{figure}[!htbp]
     263\includegraphics[width=0.7\columnwidth,height=6cm]{img8.jpg}
    260264\caption{Simulation input signal.}
    261265\label{fig:8}
     
    268272
    269273\begin{center}
    270 \begin{figure}[hbtp]
    271 %%\includegraphics[width=0.7\columnwidth]{img9.eps}
     274\begin{figure}[!htbp]
     275\includegraphics[width=0.7\columnwidth,height=6cm]{img9.jpg}
    272276\caption{Preamplifier linearity.}
    273277\label{fig:9}
     
    298302
    299303\begin{center}
    300 \begin{figure}[hbtp]
    301 \%%includegraphics{img10.eps}
     304\begin{figure}[!htbp]
     305\includegraphics[width=0.7\columnwidth,height=6cm]{img10.jpg}
    302306\caption{Preamplifier noise simulation; $G_{pa}=8$; $C_{in}=4$~pF and
    303307$C_{f}=0.5$~pF.}
     
    329333It has a classical design: differential pair is followed by a buffer.
    330334
    331 \begin{figure}[hbtp]
    332 \centering
    333 %%\includegraphics[width=0.7\columnwidth]{img11.eps}
     335\begin{figure}[!htbp]
     336\centering
     337\includegraphics[width=0.7\columnwidth,height=6cm]{img11.jpg}
    334338\caption{Fast shaper schematics.}
    335339\label{fig:11}
     
    340344shaper principal characteristics obtained in simulation.
    341345
    342 \begin{figure}[hbtp]
    343 \centering
    344 %%\includegraphics[width=0.7\columnwidth]{img12.eps}
    345 %%\includegraphics[width=0.7\columnwidth]{img13.eps}
     346\begin{figure}[!htbp]
     347\centering
     348\begin{tabular}{rl}
     349\includegraphics[width=0.5\columnwidth,height=6cm]{img12a.jpg} &
     350\includegraphics[width=0.5\columnwidth,height=6cm]{img12b.jpg}
     351\end{tabular}
    346352\caption{Simulated fast shaper outputs ($G_{pa} = 8$ with input from 1-10~pe (left panel) 
    347353and from 1/3~pe to 2~pe (right panel).}
     
    378384
    379385
    380 \begin{figure}[hbtp]
    381 \centering
    382 %%\includegraphics[width=0.7\columnwidth]{img14.eps}
    383 %%\includegraphics[width=0.7\columnwidth]{img15.eps}
     386\begin{figure}[!htbp]
     387\centering
     388                \begin{tabular}{rl}
     389                        \includegraphics[width=0.5\columnwidth,height=6cm]{img13a.jpg}&
     390                        \includegraphics[width=0.5\columnwidth,height=6cm]{img13b.jpg}
     391                \end{tabular}
    384392\caption{Simulated trigger output (input charge from 0 to 10~p.e;
    385393threshold at 1/3~p.e). Zoom of trigger rise time on right
     
    394402measurement as well as for charge measurement.
    395403
    396 \begin{figure}[hbtp]
    397 \centering
    398 %%\includegraphics[width=0.7\columnwidth]{img16.eps}
     404\begin{figure}[!htbp]
     405\centering
     406\includegraphics[width=0.7\columnwidth,height=6cm]{img14.jpg}
    399407\caption{SCA (switched capacitor array) scheme.}
    400408\label{fig:14}
     
    408416the digital part.
    409417
    410 \begin{figure}[hbtp]
    411 \centering
    412 %%\includegraphics[width=0.7\columnwidth]{img17.eps}
     418\begin{figure}[!htbp]
     419\centering
     420\includegraphics[width=0.7\columnwidth,height=6cm]{img15.jpg}
    413421\caption{Operation of T\&H cell.}
    414422\label{fig:15}
     
    436444good noise performance.
    437445
    438 \begin{figure}[hbtp]
    439 \centering
    440 %%\includegraphics[width=0.7\columnwidth]{img18.eps}
    441 %%\includegraphics[width=0.7\columnwidth]{img19.eps}
     446\begin{figure}[!htbp]
     447\centering
     448                \begin{tabular}{rl}
     449                        \includegraphics[width=0.5\columnwidth,height=6cm]{img16a.jpg}&
     450                        \includegraphics[width=0.5\columnwidth,height=6cm]{img16b.jpg}
     451                \end{tabular}
    442452\caption{Slow shaper output waveforms simulation (left panel). Slow shaper
    443453output noise simulation (right panel).}
     
    472482$T_p=200$~ns.
    473483
    474 \begin{figure}[hbtp]
    475 \centering
    476 %%\includegraphics[width=0.7\columnwidth][width=273pt]{img20.eps}
     484\begin{figure}[!htbp]
     485\centering
     486\includegraphics[width=0.7\columnwidth,height=6cm]{img17.jpg}
    477487\caption{Slow shaper linearity simulation.}
    478488\label{fig:17}
     
    499509signals.
    500510
    501 \begin{figure}[hbtp]
    502 \centering
    503 %%\includegraphics[width=0.7\columnwidth][width=207pt]{img21.eps}
     511\begin{figure}[!htbp]
     512\centering
     513\includegraphics[width=0.7\columnwidth,height=6cm]{img18.jpg}
    504514\caption{Slow shaper \& SCA simulation.}
    505515\label{fig:18}
     
    522532and the falling signal stop the ramp (\refFig{fig:19}).
    523533
    524 \begin{figure}[hbtp]
    525 \centering
    526 %%\includegraphics[width=0.7\columnwidth]{img22.eps}
    527 %%\includegraphics[width=0.7\columnwidth]{img23.eps}
     534\begin{figure}[!htbp]
     535\centering
     536\begin{tabular}{rl}
     537\includegraphics[width=0.5\columnwidth,height=6cm]{img19a.jpg}&
     538\includegraphics[width=0.5\columnwidth,height=6cm]{img19b.jpg}
     539\end{tabular}
    528540\caption{TDC Ramp general schematic.}
    529541\label{fig:19}
     
    534546ramps.
    535547
    536 \begin{figure}[hbtp]
    537 \centering
    538 %%\includegraphics[width=0.7\columnwidth]{img24.eps}
     548\begin{figure}[!htbp]
     549\centering
     550\includegraphics[width=0.7\columnwidth,height=6cm]{img20.jpg}
    539551\caption{TDC Ramp.}
    540552\label{fig:20}
     
    546558(\refFig{fig:21} and \refFig{fig:22}).
    547559
    548 \begin{figure}[hbtp]
    549 \centering
    550 %\includegraphics[width=0.7\columnwidth]{img25.eps}
     560\begin{figure}[!htbp]
     561\centering
     562\includegraphics[width=0.7\columnwidth,height=6cm]{img21.jpg}
    551563\caption{TDC Ramp scheme.}
    552564\label{fig:21}
    553565\end{figure}
    554566
    555 \begin{figure}[hbtp]
    556 \centering
    557 %\includegraphics[width=0.7\columnwidth]{img26.eps}
     567\begin{figure}[!htbp]
     568\centering
     569\includegraphics[width=0.7\columnwidth,height=6cm]{img22.jpg}
    558570\caption{TDC Ramp simulation.}
    559571\label{fig:22}
     
    572584current. \refTab{tab:6} gives, for each ramp, the time duration to reach 3.3~V.
    573585
    574 \begin{figure}[hbtp]
    575 \centering
    576 %\includegraphics{img27.eps}
     586\begin{figure}[!htbp]
     587\centering
     588\includegraphics[width=0.7\columnwidth,height=6cm]{img23.jpg}
    577589\caption{ADC ramp schematic.}
    578590\label{fig:23}
     
    609621
    610622
    611 \begin{figure}[hbtp]
    612 \centering
    613 %\includegraphics{img28.eps}
     623\begin{figure}[!htbp]
     624\centering
     625\includegraphics[width=0.7\columnwidth,height=6cm]{img24.jpg}
    614626\caption{Block diagram of the digital part.}
    615627\label{fig:24}
     
    624636the sequence shown in on \refFig{fig:25}.
    625637
    626 \begin{figure}[hbtp]
    627 \centering
    628 %\includegraphics{img29.eps}
     638\begin{figure}[!htbp]
     639\centering
     640\includegraphics[width=0.7\columnwidth,height=6cm]{img25.jpg}
    629641\caption{Top manager sequence.}
    630642\label{fig:25}
     
    641653
    642654
    643 \begin{figure}[hbtp]
    644 \centering
    645 %\includegraphics{img30.eps}
     655\begin{figure}[!htbp]
     656\centering
     657\includegraphics[width=0.7\columnwidth,height=6cm]{img26.jpg}
    646658\caption{SCA analogue voltage}
    647659\label{fig:26}
     
    682694The Labview is developed by LAL.
    683695
    684 \begin{figure}[h]
    685 \centering
    686 %\includegraphics{img31.eps}
     696\begin{figure}[!htbp]
     697\centering
     698\includegraphics[width=0.7\columnwidth,height=6cm]{img27.jpg}
    687699\caption{Test Board.}
    688700\label{fig:27}
     
    697709run labview program.
    698710
    699 \begin{figure}[hbtp]
    700 \centering
    701 %\includegraphics{img32.eps}
     711\begin{figure}[!htbp]
     712\centering
     713\includegraphics[width=0.7\columnwidth,height=6cm]{img28.jpg}
    702714\caption{Test Bench.}
    703715\label{fig:28}
     
    710722signal and its characteristics.
    711723
    712 \begin{figure}[hbtp]
    713 \centering
    714 %\includegraphics{img33.eps}
    715 %\includegraphics{img34.eps}
     724\begin{figure}[!htbp]
     725\centering
     726\includegraphics[width=0.7\columnwidth,height=6cm]{img29.jpg}
     727%%%% NOT USED \includegraphics[width=0.5\columnwidth,height=6cm]{img34.jpg}
    716728\caption{Input signals}
    717729\label{fig:29}
     
    739751shaper and the fast shaper (\refTab{tab:7}).
    740752
    741 \begin{figure}[hbtp]
    742 \centering
    743 %\includegraphics{img35.eps}
    744 %\includegraphics{img36.eps}
    745 %\includegraphics{img37.eps}
     753\begin{figure}[!htbp]
     754\centering
     755\begin{tabular}{c}
     756\includegraphics[width=0.7\columnwidth,height=6cm]{img30a.jpg}\\
     757\includegraphics[width=0.7\columnwidth,height=6cm]{img30b.jpg}\\
     758\includegraphics[width=0.7\columnwidth,height=6cm]{img30c.jpg}
     759\end{tabular}
    746760\caption{DC uniformity.}
    747761\label{fig:30}
     
    771785board.
    772786
    773 \begin{figure}[hbtp]
    774 \centering
    775 %\includegraphics{img38.eps}
    776 %\includegraphics{img39.eps}
     787\begin{figure}[!htbp]
     788\centering
     789                \begin{tabular}{rl}
     790                        \includegraphics[width=0.5\columnwidth,height=6cm]{img31a.jpg}&
     791                        \includegraphics[width=0.5\columnwidth,height=6cm]{img31b.jpg}
     792                \end{tabular}
    777793\caption{Measurement and simulation of the preamplifier output for
    778794an input charge of 10~pe.}
     
    808824performance (\refTab{tab:9}).
    809825
    810 \begin{figure}[hbtp]
    811 \centering
    812 %\includegraphics{img40.eps}
    813 %\includegraphics{img41.eps}
     826\begin{figure}[!htbp]
     827\centering
     828                \begin{tabular}{rl}
     829                        \includegraphics[width=0.5\columnwidth,height=6cm]{img32a.jpg}
     830                        \includegraphics[width=0.5\columnwidth,height=6cm]{img32b.jpg}
     831                \end{tabular}
    814832\caption{Measurement and simulation of the slow shaper output for an
    815833input charge of 10~pe.}
     
    837855The Fast shaper results are shown in \refFig{fig:33}
    838856and \refTab{tab:10}.
    839 \begin{figure}[htb]
     857\begin{figure}[!htb]
    840858        \centering
    841 %\includegraphics{img73.eps}
    842 %\includegraphics{img72.eps}
     859                \begin{tabular}{rl}
     860                        \includegraphics[width=0.5\columnwidth,height=6cm]{img33a.jpg}
     861                        \includegraphics[width=0.5\columnwidth,height=6cm]{img33b.jpg}
     862                \end{tabular}
    843863        \caption{Measurement and simulation of the fast shaper output for an
    844864input charge of 1 pe.}
     
    870890smaller dynamic range than simulation.
    871891
    872 \begin{figure}[hbtp]
    873 \centering
    874 %\includegraphics{img42.eps}
    875 %\includegraphics{img43.eps}
    876 %\includegraphics{img44.eps}
     892\begin{figure}[!htbp]
     893\centering
     894                \begin{tabular}{c}
     895                        \includegraphics[width=0.7\columnwidth,height=6cm]{img34a.jpg}
     896                        \includegraphics[width=0.7\columnwidth,height=6cm]{img34b.jpg}
     897                        \includegraphics[width=0.7\columnwidth,height=6cm]{img34c.jpg}
     898                \end{tabular}
    877899\caption{Preamplifier linearity for different gains.}
    878900\label{fig:34}
     
    899921with residuals better than $pm 1~\%$.
    900922
    901 \begin{figure}[hbtp]
    902 \centering
    903 %\includegraphics{img45.eps}
     923\begin{figure}[!htbp]
     924\centering
     925\includegraphics[width=0.7\columnwidth,height=6cm]{img35.jpg}
    904926\caption{Slow shaper linearity; $RC =50$~ns and $G_{pa}=8$.}
    905927\label{fig:35}
     
    910932are obtained.
    911933
    912 \begin{figure}[hbtp]
    913 \centering
    914 %\includegraphics{img46.eps}
     934\begin{figure}[!htbp]
     935\centering
     936\includegraphics[width=0.7\columnwidth,height=6cm]{img36.jpg}
    915937\caption{Fast shaper linearity up to 10~pe.}
    916938\label{fig:36}
     
    922944adjustment linearity is nice at 2~\% on 8 bits.
    923945
    924 \begin{figure}[hbtp]
    925 \centering
    926 %\includegraphics{img47.eps}
     946\begin{figure}[!htbp]
     947\centering
     948\includegraphics[width=0.7\columnwidth,height=6cm]{img37.jpg}
    927949\caption{Preamplifier linearity vs feedback capacitor value.}
    928950\label{fig:37}
     
    9369582.
    937959
    938 \begin{figure}[hbtp]
    939 \centering
    940 %\includegraphics{img48.eps}
     960\begin{figure}[!htbp]
     961\centering
     962\includegraphics[width=0.7\columnwidth,height=6cm]{img38.jpg}
    941963\caption{Gain uniformity for $G_{pa}=8, 4, 2$.}
    942964\label{fig:38}
     
    952974DACs and residuals from $-0.1~\%$ to $0.1~\%$.
    953975
    954 \begin{figure}[hbtp]
    955 \centering
    956 %\includegraphics{img49.eps}
    957 %\includegraphics{img50.eps}
     976\begin{figure}[!htbp]
     977\centering
     978                \begin{tabular}{rl}
     979                        \includegraphics[width=0.5\columnwidth,height=6cm]{img39a.jpg}&
     980                        \includegraphics[width=0.5\columnwidth,height=6cm]{img39b.jpg}
     981                \end{tabular}
    958982\caption{DAC linearity; DAC1 and DAC2 respectively.}
    959983\label{fig:39}
     
    970994is of one DAC count ($LSB DAC = 1.78$~mV) or 0.06~pe.
    971995
    972 \begin{figure}[hbtp]
    973 \centering
    974 %\includegraphics{img51.eps}
     996\begin{figure}[!htbp]
     997\centering
     998\includegraphics[width=0.7\columnwidth,height=6cm]{img40.jpg}
    975999\caption{Pedestal S-curves for channel 1 to 16.}
    9761000\label{fig:40}
     
    9821006the threshold. The homogeneity is proved by a spread of 7 DAC unit (0.4~pe) and a noise of 0.07 pe ($RMS =2.19$).
    9831007
    984 \begin{figure}[hbtp]
    985 %\includegraphics{img52.eps}
    986 %\includegraphics{img53.eps}
    987 %\includegraphics{img54.eps}
     1008\begin{figure}[!htbp]
     1009\centering
     1010                \begin{tabular}{rl}
     1011                        \multicolumn{2}{c}{\includegraphics[width=0.5\columnwidth,height=6cm]{img41a.jpg}}\\
     1012                        \includegraphics[width=0.5\columnwidth,height=6cm]{img41b.jpg}&
     1013                        \includegraphics[width=0.5\columnwidth,height=6cm]{img41c.jpg}
     1014                \end{tabular}
    9881015\caption{Fast shaper and trigger (top panel); S-curves for input of 10~pe (left panel);
    9891016uniformity plot for channel 1 to 16 (right panel).}
     
    9991026(\refFig{fig:43}).
    10001027
    1001 \begin{figure}[hbtp]
    1002 \centering
    1003 %\includegraphics{img55.eps}
    1004 %\includegraphics{img56.eps}
     1028\begin{figure}[!htbp]
     1029\centering
     1030                \begin{tabular}{rl}
     1031                        \includegraphics[width=0.5\columnwidth,height=6cm]{img42a.jpg}
     1032                        \includegraphics[width=0.5\columnwidth,height=6cm]{img42b.jpg}
     1033                \end{tabular}
    10051034\caption{Trigger efficiency vs DAC count up to 300~pe (left panel) and
    10061035until 3~pe (right panel).}
     
    10081037\end{figure}
    10091038
    1010 \begin{figure}[hbtp]
    1011 \centering
    1012 %\includegraphics{img57.eps}
     1039\begin{figure}[!htbp]
     1040\centering
     1041\includegraphics[width=0.7\columnwidth,height=6cm]{img43.jpg}
    10131042\caption{Threshold vs injected charge up to 500~fC. It is shown the 1~p.e threshold for a PMT gain of $10^6$.}
    10141043\label{fig:43}
     
    10201049due, probably, to the input power supply ($V_{dd-pa}$ and $V_{ss}$).
    10211050
    1022 \begin{figure}[hbtp]
    1023 %\includegraphics{img58.eps}
     1051\begin{figure}[!htbp]
     1052\includegraphics[width=0.7\columnwidth,height=6cm]{img44.jpg}
    10241053\caption{Trigger coupling signal.}
    10251054\label{fig:44}
     
    10441073obtained.
    10451074
    1046 \begin{figure}[hbtp]
    1047 \centering
    1048 %\includegraphics{img59.eps}
     1075\begin{figure}[!htbp]
     1076\centering
     1077\includegraphics[width=0.7\columnwidth,height=6cm]{img45.jpg}
    10491078\caption{ADC measurements with DC input 1.45~V (middle scale).}
    10501079\label{fig:45}
     
    10571086and have plots superimposed.
    10581087
    1059 \begin{figure}[hbtp]
    1060 \centering
    1061 %\includegraphics{img60.eps}
     1088\begin{figure}[!htbp]
     1089\centering
     1090\includegraphics[width=0.7\columnwidth,height=6cm]{img46.jpg}
    10621091\caption{10  bits ADC transfer function vs input charge.}
    10631092\label{fig:46}
     
    10701099(\refTab{tab:12}).
    10711100
    1072 \begin{figure}[hbtp]
    1073 \centering
    1074 %\includegraphics{img61.eps}
    1075 %\includegraphics{img62.eps}
     1101\begin{figure}[!htbp]
     1102\centering
     1103                \begin{tabular}{rl}
     1104                        \includegraphics[width=0.5\columnwidth,height=6cm]{img47a.jpg}&
     1105                        \includegraphics[width=0.5\columnwidth,height=6cm]{img47b.jpg}
     1106                \end{tabular}
    10761107\caption{Evolution of the fit parameters (slope on the
    10771108left panel and intercept on the right panel) as a function of the channel
     
    11001131the good ADC behaviour in terms of Integral non linearity.
    11011132
    1102 \begin{figure}[hbtp]
    1103 %\includegraphics{img63.eps}
    1104 %\includegraphics{img64.eps}
    1105 %\includegraphics{img65.eps}
     1133\begin{figure}[!htbp]
     1134\centering
     1135                \begin{tabular}{c}
     1136                        \includegraphics[width=0.7\columnwidth,height=6cm]{img48a.jpg}\\
     1137                        \includegraphics[width=0.5\columnwidth,height=6cm]{img48b.jpg}\\
     1138                        \includegraphics[width=0.5\columnwidth,height=6cm]{img48c.jpg}
     1139                \end{tabular}
    11061140\caption{12, 10, 8 bit ADC linearity.}
    11071141\label{fig:48}
     
    11121146preliminary measurements.
    11131147
    1114 \begin{figure}[htb]
    1115 %\includegraphics{img66.eps}
    1116 %\includegraphics{img67.eps}
     1148\begin{figure}[!htb]
     1149        \centering
     1150                \begin{tabular}{rl}
     1151                        \includegraphics[width=0.5\columnwidth,height=6cm]{img49a.jpg}
     1152                        \includegraphics[width=0.5\columnwidth,height=6cm]{img49b.jpg}
     1153                \end{tabular}
    11171154\caption{Differential non linearity.}
    11181155\label{fig:49}
     
    11461183\end{table}
    11471184
    1148 \begin{figure}[hbtp]
    1149 \centering
    1150 %\includegraphics{img68.eps}
     1185\begin{figure}[!htbp]
     1186\centering
     1187\includegraphics[width=0.7\columnwidth,height=6cm]{img50.jpg}
    11511188\caption{10 bit ADC linearity.}
    11521189\label{fig:50}
     
    11571194measurements.
    11581195
    1159 \begin{figure}[hbtp]
    1160 \centering
    1161 %\includegraphics{img69.eps}
     1196\begin{figure}[!htbp]
     1197\centering
     1198\includegraphics[width=0.7\columnwidth,height=6cm]{img51.jpg}
    11621199\caption{8 bit ADC linearity.}
    11631200\label{fig:51}
     
    11681205value for measurements.
    11691206
    1170 \begin{figure}[hbtp]
    1171 %\includegraphics{img70.eps}
     1207\begin{figure}[!htbp]
     1208\centering
     1209\includegraphics[width=0.7\columnwidth,height=6cm]{img52.jpg}
    11721210\caption{12 bit ADC linearity.}
    11731211\label{fig:52}
     
    11811219IPNO at Orsay.
    11821220
    1183 \begin{figure}[hbtp]
    1184 \centering
    1185 %\includegraphics{img71.eps}
     1221\begin{figure}[!htbp]
     1222\centering
     1223\includegraphics[width=0.7\columnwidth,height=6cm]{img53.jpg}
    11861224\caption{TO BE COMPLETED}
    11871225\label{fig:53}
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