Operational Amplifiers - General Questions (3)

What three subcircuits does a phase locked loop (PLL) consist of?

If the input to a comparator is a sine wave, the output is a:

With a differential gain of 50,000 and a common-mode gain of 2, what is the common-mode rejection ratio?

In an open-loop op-amp circuit, whenever the inverting input (–) is negative relative to the noninverting input (+), the output will:

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?

The ratio between differential gain and common-mode gain is called: