From d646e667d1f59141e34beb1a618cf8d04d9708e2 Mon Sep 17 00:00:00 2001 From: surtur Date: Thu, 19 Nov 2020 22:09:05 +0100 Subject: [PATCH] chore: add comparator circuit image --- ZM_11.tex | 32 ++++++++++++++++++++++++++++++++ img/comp_circuit.png | Bin 0 -> 14778 bytes 2 files changed, 32 insertions(+) create mode 100644 img/comp_circuit.png diff --git a/ZM_11.tex b/ZM_11.tex index f136fb8..7a1b316 100644 --- a/ZM_11.tex +++ b/ZM_11.tex @@ -53,6 +53,38 @@ \section{Navrhněte 2bitový komparační A/D převodník dle následujícího postupu} \subsection{Zapojení kvantovacích komparátorů} +Referenční napětí A/D převodníku se nastavuje na zdroji $U_{ref}$, vstupní +napětí pro převod reprezentuje zdroj $U_i$. Výstupní napětí jednotlivých +komparátorů jsou měřena voltmetry $U_{k1}$, $U_{k2}$ a $U_{k3}$. + +\begin{figure}[!hbt] +\centering +\includegraphics[width=0.78\textwidth]{comp_circuit} +\caption{Schéma zapojení kvantovacích komparátorů} +\end{figure} + +V obvodovém simulátoru ověřte výstupního napětí komparátorů při čtyřech různých +hladinách vstupního napětí $U_i$ spadajících do odpovídajících kvantizačních +úrovní.\\Simulačně naměřené hodnoty doplňte do tabulky.\\ +Měření provádějte při napětí $U_{ref} = 1V$. + +\begin{table}[!hbt] +\centering +\begin{tabular}{||c||c|c|c|c||} + \hline + \textbf{Vstupní napětí} & \[ \textbf{U_i [V]}\] & \[U_{k1} [V]\] & \[U_{k2} [V]\] & \[U_{k3} [V]\] \\ + \hline\hline + \[ 0 < U_i < U_{ref}/6 \] & $0.1$ & $-15$ & $-15$ & $-15$ \\ + \hline + \[ U_{ref}/6 < U_i < U_{ref}/2 \] & $0.3$ & $15$ & $-15$ & $-15$ \\ + \hline + \[ U_{ref}/2 < U_i < 5U_{ref}/6 \] & $0.7$ & $15$ & $15$ & $-15$ \\ + \hline + \[ 5U_{ref}/6 < U_i < U_{ref} \] & $0.9$ & $15$ & $15$ & $15$ \\ + \hline +\end{tabular} +\caption{Napětí na výstupech komparátorů bez úpravy pro TTL hradla} +\end{table} \newpage diff --git a/img/comp_circuit.png b/img/comp_circuit.png new file mode 100644 index 0000000000000000000000000000000000000000..d5168cbf00744ae847b108f81a68a449daf6613d GIT binary patch literal 14778 zcmeHucUV))x_2m|qKJxubPJ$#mEKiUgiutfw19|63mv2eWFsO?x^z)`OXwwrfCvZ( z2m+x6qzj=)2|eMP=-#L8bI(2ZEB}1Y;R!8SYu2opS?~M)%7on2RAHcJqlZ8s461i- z-iJV_7QpxLAv*BRVck48@Qc>vhN{jX@a1#p(F+LVEJXF@b)Bavi+Grw4i2-q-}TWr z<%r1DK-Z)fL&BfZm@`e!9vO~XJW5}URgwKRE^v#kTl~?N>#JvYBiv5aWN1JX^3<8k zjov==7w2G)BJ1!=UcY!T;sPHXr`GX_XV32@AM{#~cjiu=uqIAUi;N^bUDzfh z4tgUMmJ?1jm01n15g&Uimi3R?3U^IROuU6a{NE{mPW z2(2UpLU$HL1-T3fU@-VRyVg3n@@aDA$-{>a`_?oxG*-8L_=k6Pcc)jL77Cp3r#Ug; 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