4. a. Design an op amp circuit to perform the following equation: Vo- 3Va-2Vb+5Vc. b. Design a comparator with a reference voltage of 1.5 V and show how the output changes states if the input is Sain50 V. c. Name some common errors which could cause the output to saturate at 13.5V.
4. a. Design an op amp circuit to perform the following equation: Vo- 3Va-2Vb+5Vc. b. Design a comparator with a reference voltage of 1.5 V and show how the output changes states if the input is Sain50 V. c. Name some common errors which could cause the output to saturate at 13.5V.
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Transcribed Image Text:Op Amps Handout #2
1. a. Design an inverting amplifier to provide a gain of 25 using practical components.
b. If this amplifier is connected to a signal generator that produces 20mv p-p sine wave at 1
kHz, what is the ideal output voltage?
c. Most signal generators have a 50 ohm source resistance. How will this affect the output
voltage in your design?
d. What is the maximum frequency that your amplifier can faithfully reproduce?
e. What is the maximum input voltage that your amplifier can faithfully reproduce?
2. a. Design a noninverting amplifier for a gain of 100. What advantage has this design over the
inverting configuration?
b. If the input voltage is zero, what is the maximum range of output voltage using a 741C
operating at a temperature between 0 to 70C?
c. If the input is a 2 kHz square wave of amplitude 100mV p-p, sketch the shape of the output
voltage over time.
d. If this input in c above has a source resistance of 10kohm, how will the output be affected?
3.a. Design a 3 op amp instrumentation amplifier for a gain of 200...
b. If the error in the resistance ratios is 1%, what will the CMRR become?
c. If the common mode input signal is 60- Hz at 2v p-p, how much CM signal will be present
at the output?
4. a. Design an op amp circuit to perform the following equation: Vo3V₂-2Vb+5Vc.
b. Design a comparator with a reference voltage of 1.5 V and show how the output changes
states if the input is Sain50 V,
c. Name some common errors which could cause the output to saturate at 13.5V.
5. Sketch the output voltage as a function of time in the circuits below.
m
90k
10K
100H
5mV
Me@
5KHz
LOK
in
·10m V
90k
JOHE +
JOK
un
150k
mk
Vo
№o
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