Operational Amplifiers Questions

• The voltage follower has a:
• The major difference between ground and virtual ground is that virtual ground is only a:
• A differential amplifier has a common-mode gain of 0.2 and a common-mode rejection ratio of 3250. What would the output voltage be if the single-ended input voltage was 7 mV rms?
• Decreasing the gain in the given circuit could be achieved by
• The input offset current equals the
• With negative feedback, the returning signal
• What is this circuit?
• What is the frequency of this 555 astable multivibrator?
• If the gain of a closed-loop inverting amplifier is 3.9, with an input resistor value of 1.6 kilohms, what value of feedback resistor is necessary?
• When a capacitor is used in place of a resistor in an op-amp network, its placement determines:
• An output that is proportional to the addition of two or more inputs is from which type of amplifier?
• The magnitude of closed-loop voltage gain (Acl) of an inverting amplifier equals:
• What is the output waveform?
• What starts a free-running multivibrator?
• The closed-loop voltage gain of an inverting amplifier equals:
• With a differential gain of 50,000 and a common-mode gain of 2, what is the common-mode rejection ratio?
• What is the cutoff frequency of this low-pass filter?
• How many leads does the TO-5 metal can package of an operational amplifier have?
• A circuit that uses an amplifier with passive filter elements is called a(n):
• What is the output waveform?