2 KiB
Executable file
2 KiB
Executable file
Skyler MacDougall
Homework 1: Due 1/20/2020
Chapter 2
-
Consider the circuit of Figure P2-1 with
R_i=10k\OmegaandR_f=50k\Omega
- Determine the closed-loop voltage gain.
A_{CL}={V_o\over V_i}={R_f\over R_i}=-5- Determine the input impedance of the circuit.
r_i=R_i=10k\Omega- Determine the ideal output impedance of the circuit.
r_o=0\Omega- Determine the peak input voltage
v_i(peak) for which linear operation is possible.
V_{ipk}={V_{sat}\over |A_{CL}|}=({13\over 5})or(2{3\over 5})- Determine the output voltage for each of the following values for the following input voltages.
V_o=A_{CL}v_iv_i(V)v_o(V)0 0 -1 5 2 -10 -3 15 4 -20 -
Consider the circuit of Figure P2-3 with
R_i=10k\OmegaandR_f=50k\Omega
- Determine the closed-loop voltage gain.
A_{CL}={V_o\over V_i}={R_f+R_i\over R_i}={6\over 5}
- Determine the input impedance of the circuit.
r_i=R_i=10k\Omega
- Determine the ideal output impedance of the circuit.
r_o=0\Omega
- Determine the peak input voltage
v_i(peak) for which linear operation is possible.
V_{ipk}={V_{sat}\over |A_{CL}|}=({13(5)\over 6})or(10{5\over 6})
- Determine the output voltage for each of the following values for the following input voltages.
V_o=A_{CL}v_i
v_i (V) |
v_o (V) |
|---|---|
| 0 | 0 |
| -1 | -6\over5 |
| 2 | 12\over5 |
| -3 | -18\over 5 |
| 4 | 24\over 5 |
- For the circuit of Problem 2-1 with
v_i=-2V, assume an external load ofR_L =2k\Omegais connected to the output. Determine the total op-amp output current.
A{CL}=-10\
v_i=2V\
v_0=-20V\
{V\over R}=I\
{20V\over 2k\Omega}=I={1\over100}A=10mA