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Question 2 (30 points): For the circuit below assume the capacitor is very large $V_{CC} = 12 V$ $V_S = 0.01sin\omega t$ $R_i = 200 \Omega$ $R_C = 3 k\Omega$ $V_\gamma = 0.6 V$ $r_f = 0$ $V_T = 26 mV a)(7) Draw the DC equivalent circuit and determine Q-point values $I_{DQ}$ and $V_{DQ}$ (use piecewise linear model) b)(4) Write the DC load line equaiton, sketch DC load line and mark the Q-point c)(7) Draw AC equivalent circuit and determine the small signal voltage ($v_d$) and the current ($i_d$) of the diode d)(4) Determine the AC ($V_{O,AC}$) and DC ($V_{O,DC}$) and the total ($V_{O,total}$) output voltage e)(4) Plot diode current relative to time ($i_D$ vs time) f)(4) What is the role of C? Explain

          Question 2 (30 points):
For the circuit below assume the capacitor is very large
$V_{CC} = 12 V$
$V_S = 0.01sin\omega t$
$R_i = 200 \Omega$
$R_C = 3 k\Omega$
$V_\gamma = 0.6 V$
$r_f = 0$
$V_T = 26 mV
a)(7) Draw the DC equivalent circuit and determine Q-point values $I_{DQ}$ and $V_{DQ}$ (use piecewise
linear model)
b)(4) Write the DC load line equaiton, sketch DC load line and mark the Q-point
c)(7) Draw AC equivalent circuit and determine the small signal voltage ($v_d$) and the current ($i_d$)
of the diode
d)(4) Determine the AC ($V_{O,AC}$) and DC ($V_{O,DC}$) and the total ($V_{O,total}$) output voltage
e)(4) Plot diode current relative to time ($i_D$ vs time)
f)(4) What is the role of C? Explain

Question 2 (30 points):
For the circuit below assume the capacitor is very large
VCC = 12 V
VS = 0.01sinω t
Ri = 200 Ω
RC = 3 kΩ
Vγ = 0.6 V
rf = 0
VT = 26 mV
a)(7) Draw the DC equivalent circuit and determine Q-point valuesIDQandVDQ(use piecewise
linear model)
b)(4) Write the DC load line equaiton, sketch DC load line and mark the Q-point
c)(7) Draw AC equivalent circuit and determine the small signal voltage (vd) and the current (id)
of the diode
d)(4) Determine the AC (VO,AC) and DC (VO,DC) and the total (VO,total) output voltage
e)(4) Plot diode current relative to time (iDvs time)
f)(4) What is the role of C? Explain

Added by Henry J.

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