Chapter Questions
What is the output voltage in the circuit of Fig. $62 ?$
What is the range of the voltage-gain adjustment in the circuit of Fig. $63 ?$
What input voltage results in an output of $2 \mathrm{V}$ in the circuit of Fig. $64 ?$
What is the range of the output voltage in the circuit of Fig. 65 if the input can vary from 0.1 to $0.5 \mathrm{V} ?$
What output voltage results in the circuit of Fig. 66 for an input of $V_{1}=-0.3 \mathrm{V} ?$
What input must be applied to the input of Fig. 66 to result in an output of $2.4 \mathrm{V} ?$
What range of output voltage is developed in the circuit of Fig. $67 ?$
Calculate the output voltage developed by the circuit of Fig. 68 for $R_{f}=330 \mathrm{k} \Omega$.
Calculate the output voltage of the circuit in Fig. 68 for $R_{f}=68 \mathrm{k} \Omega$.
Sketch the output waveform resulting in Fig. 69.
What output voltage results in the circuit of Fig. 70 for $V_{1}=+0.5 \mathrm{V} ?$
Calculate the output voltage for the circuit of Fig. 71.
Calculate the output voltages $V_{2}$ and $V_{3}$ in the circuit of Fig. 72 .
Calculate the output voltage, $V_{o}$ in the circuit of Fig. 73 .
Calculate $V_{o}$ in the circuit of Fig. 74.
Calculate the total offset voltage for the circuit of Fig. 75 for an op-amp with specified values of input offset voltage $V_{\mathrm{IO}}=6 \mathrm{mV}$ and input offset current $I_{\mathrm{lO}}=120 \mathrm{nA}$.
Calculate the input bias current at each input of an op-amp having specified values of $I_{10}=4 \mathrm{nA}$ and $I_{1 \mathrm{B}}=20 \mathrm{nA}$.
Determine the cutoff frequency of an op-amp having specified values $B_{1}=800 \mathrm{kHz}$ and $A_{\mathrm{VD}}=150 \mathrm{V} / \mathrm{mV}$.
For an op-amp having a slew rate of $\mathrm{SR}=2.4 \mathrm{V} / \mu \mathrm{s},$ what is the maximum closed-loop voltage gain that can be used when the input signal varies by $0.3 \mathrm{V}$ in $10 \mu \mathrm{s} ?$
For an input of $V_{1}=50 \mathrm{mV}$ in the circuit of Fig. $75,$ determine the maximum frequency that may be used. The op-amp slew rate $\mathrm{SR}=0.4 \mathrm{V} / \mu \mathrm{s}$.
Using the specifications listed in Table $3,$ calculate the typical offset voltage for the circuit connection of Fig. 75.
For the typical characteristics of the 741 op-amp, calculate the following values for the circuit of Fig. 75:a. $A_{\mathrm{CL}}$b. $Z_{i}$c. $Z_{o}$
Calculate the CMRR (in dB) for the circuit measurements of $V_{d}=1 \mathrm{mV}, V_{o}=120 \mathrm{mV}$ $V_{C}=1 \mathrm{mV},$ and $V_{o}=20 \mu \mathrm{V}$.
Determine the output voltage of an op-amp for input voltages of $V_{i_{1}}=200 \mu \mathrm{V}$ and $V_{i_{2}}=140 \mu \mathrm{V} .$ The amplifier has a differential gain of $A_{d}=6000$ and the value of CMRR is:a. 200b. $10^{5}$
Use Schematic Capture or Multisim to draw a circuit to determine the output voltage in the circuit of Fig. 62.
Use Schematic Capture or Multisim to calculate the output voltage in the circuit of Fig. 66 for the input of $V_{i}=0.5 \mathrm{V}$.
Use Schematic Capture or Multisim to calculate the output voltage in the circuit of Fig. 68 for $R_{f}=68 \mathrm{k} \Omega$.
Use Schematic Capture or Multisim to calculate the output voltage in the circuit of Fig. 71 .
Use Schematic Capture or Multisim to calculate the output voltage in the circuit of Fig. 73.
Use Schematic Capture or Multisim to calculate the output voltage in the circuit of Fig. 74.
Use Schematic Capture or Multisim to obtain the output waveform for a 2 -V step input to an integrator circuit, as shown in Fig. 39 with values of $R=40 \mathrm{k} \Omega$ and $C=0.003 \mu \mathrm{F}$.