SULIT

$($NMJ$20303)$

impedm,

$($a$)$ Describe the basic operational amplifier and its ideal characteristics.

$[$Terangkan penguat kendalian asas dan ciri$-$ciri idealnya$].]$

$(5$ Marks$/$Markah$)$

$($b$)$ Figure $1$ shows the output voltage of an op$-$amp in response to a step input. $[$Rajah I menunjukkan voltan keluaran suatu penguat operasi sebagai tindakbalas kepada masukan langkah.$]$

$($i$)$ Describe the slew rate. mavimum $[$Terangkan maksud kadar slu.$]$

$($ii$)$ Calculate the slew rate.

$[$Kirakan nilai kadar slu$]$

$(2$ Marks$/$Markah$)$

$($iii$)$ Calculate the time needed for the output voltage of an op$-$amp to go from $10$ V to $+10$ V if the slew rate is $\backslash (0\mathrm{.}5\backslash$mathrm$\{$~V$\}/\backslash$mathrm$\{$uS$\}\backslash ).$

$($Kirakanmasa yang diperlukan bagi vosman keluang suatu penguat yang berubah dari $\backslash (10\backslash$mathrm$\{$Vke$\}+10\backslash$mathrm$\{$~V$\}\backslash )$ sekiranya kadar slu ialah $\backslash (0\mathrm{.}5\backslash$mathrm$\{$v$\}/\backslash$mathrm$\{$SS$\}\backslash ).]$

$(2)$ Marks$/$Markah$)$

$\backslash [$

$108+\backslash$frac$\{10\}\{1!\}$

$\backslash ]$

lew rate

$\backslash [$

$14419$

$\backslash ]$

v$/$us