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. **Design an inverting amplifier to provide a gain of 25 using practical components.**
- a. 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?
- b. Most signal generators have a 50 ohm source resistance. How will this affect the output voltage in your design?
- i. What is the maximum frequency that your amplifier can faithfully reproduce?
- ii. What is the maximum input voltage that your amplifier can faithfully reproduce after this change?
2. **Design a noninverting amplifier for a gain of 100. What advantage has this design over the inverting configuration?**
- a. If the input voltage is zero, what is the maximum range of output voltage using a 741C op-amp with a temperature between 0 to 70°C?
- b. If the input is a 2 kHz square wave of amplitude 100mV p-p, sketch the shape of the output voltage.
- c. If this input at a source resistance of 100kohm, how will the output be affected?
3. **Design instrumentation amplifier for a gain of 200.**
- a. If the error in the resistance ratio is 1%, what will the CMRR become?
- b. If the common mode input signal is 60 Hz at 1Vp-p, how much CM signal will be present at the output?
4. **Design an op amp circuit to perform the following equation: Vo=3Va-2Vb+5Vc.**
- a. Sketch the circuit with a reference voltage of 1.5V and show how the output changes with the input is 5mV, 5V.
- b. Design any correction 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:**
- a. **Diagram Description:**
- The circuit involves an op-amp with a feedback loop, including resistors and a capacitor.
- Voltage sources and input signals are labeled.
- b. **Diagram Description:**
- The circuit is similar, with different component values and configuration details.
**Notes:**
- Diagrams illustrate different op-amp circuit configurations
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