Figure $4($a$)$ shows a common emitter amplifier circuit $($with $r_o=),$ and its load line analysis is shown in Figure $4($b$).$

$($a$)$ Identify

$($i$)$ DC biasing configuration

$($ii$)$ Supply voltage, $V_{cc}$

$(2$ marks$)$

$($iii$)$ Saturation current, $I_{\text{C}\text{s}\text{a}\text{t}}$

$(2$ marks$)$

$($iv$)$ Base current, $I_{BQ}$

$(2$ marks$)$

$(2$ marks$)$

$($b$)$ Determine

$($i$)$ Resistor $R_C$

$(4$ marks$)$

$($ii$)$ Resistor $R_{F2}$

$(4$ marks$)$

$($iii$)$ Collector current, $I_C$

$(3$ marks$)$

$($iv$)$ Emitter voltage, $V_E$

$(3$ marks$)$

$($v$)$ Collector voltage, $V_C$

$(3$ marks$)$

$($c$)$ Draw the AC equivalent circuit of the amplifier.

$(7$ marks$)$

$($d$)$ Determine

$($i$)$ Input impedance, $Z_i$

$(2$ marks$)$

$($ii$)$ Output impedance, $Z_o$

$(3$ marks$)$

$($iii$)$ Voltage gain, $A_v$

$(3$ marks$)$

SULIT

Figure $4($a$)$ shows a common emitter amplifier circuit $($with $r_o=),$ and its load line analysis is shown in Figure $4($b$).$

$($a$)$ Identify

$($i$)$ DC biasing configuration

$($ii$)$ Supply voltage, $V_{cc}$

$(2$ marks$)$

$($iii$)$ Saturation current, $I_{\text{C}\text{s}\text{a}\text{t}}$

$(2$ marks$)$

$($iv$)$ Base current, $I_{BQ}$

$(2$ marks$)$

$(2$ marks$)$

$($b$)$ Determine

$($i$)$ Resistor $R_C$

$(4$ marks$)$

$($ii$)$ Resistor $R_{F2}$

$(4$ marks$)$

$($iii$)$ Collector current, $I_C$

$(3$ marks$)$

$($iv$)$ Emitter voltage, $V_E$

$(3$ marks$)$

$($v$)$ Collector voltage, $V_C$

$(3$ marks$)$

$($c$)$ Draw the AC equivalent circuit of the amplifier.

$(7$ marks$)$

$($d$)$ Determine

$($i$)$ Input impedance, $Z_i$

$(2$ marks$)$

$($ii$)$ Output impedance, $Z_o$

$(3$ marks$)$

$($iii$)$ Voltage gain, $A_v$

$(3$ marks$)$

SULIT

Figure $4($a$)$ shows a common emitter amplifier circuit $($with $r_o=),$ and its load line analysis is shown in Figure $4($b$).$

$($a$)$ Identify

$($i$)$ DC biasing configuration

$($ii$)$ Supply voltage, $V_{cc}$

$(2$ marks$)$

$($iii$)$ Saturation current, $I_{\text{C}\text{s}\text{a}\text{t}}$

$(2$ marks$)$

$($iv$)$ Base current, $I_{BQ}$

$(2$ marks$)$

$(2$ marks$)$

$($b$)$ Determine

$($i$)$ Resistor $R_C$

$(4$ marks$)$

$($ii$)$ Resistor $R_{F2}$

$(4$ marks$)$

$($iii$)$ Collector current, $I_C$

$(3$ marks$)$

$($iv$)$ Emitter voltage, $V_E$

$(3$ marks$)$

$($v$)$ Collector voltage, $V_C$

$(3$ marks$)$

$($c$)$ Draw the AC equivalent circuit of the amplifier.

$(7$ marks$)$

$($d$)$ Determine

$($i$)$ Input impedance, $Z_i$

$(2$ marks$)$

$($ii$)$ Output impedance, $Z_o$

$(3$ marks$)$

$($iii$)$ Voltage gain, $A_v$

$(3$ marks$)$