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 $I_{\mathrm{IO}}=120 \mathrm{nA}$.
Calculate the input bias current at each input of an op-amp having specified values of $I_{\mathrm{IO}}=4 \mathrm{nA}$ and $I_{\mathrm{IB}}=20 \mathrm{nA}$.
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. 75a. $A_{C L}$b. $Z_{i}$c. $Z_{o}$