Operational Amplifiers Questions

• If the input to a comparator is a sine wave, the output is a(n) _________.
• A circuit that has an output equal to the algebraic sum of the inputs is called a(n) ______ .
• The feedback resistor has a value of ______ in the given circuit
• A PLL can be used as a(n) ___________.
• Switching voltage regulators have ______ than linear regulators.