Chapter 6

formula for voltage output (Vo) when the signal entered at two inputs

An ideal operational amplifier has infinite frequency response and can amplify any frequency from DC to the highest AC

Type of Amplifier

The ____ of the ideal operational amplifier is assumed as zero acting perfect internal voltage source with no internal R

Real op-amps have input ___________ from a few pico-amps to a few mili-amps

Pin 7

Pin 6

is the ratio of input voltage to input current and is assumed to be infinite to prevent any current flowing

for such an amplifier, the gain will be infinite but typical real values range from about

formula for Gain (A)

Pin 8

Op-amp 741 output impedance

Pin 1 and Pin 5

Op-amp 741 input impedance

Op-amp 741 offset voltage

Gain of the op-amp without positive or negative feedback

is the most basic op-amp circuit. It uses negative feedback to stabilize the overall voltage gain.

Operational amplifiers are

formula for voltage output (Vo) when the signal entered at inverting input

Op-amp 741 open-loop gain

Is an analog circuit block that takes a differential voltage input and produces a single-ended voltage output.

Pin 3

Type of Amplifier

formula for voltage output (Vo) when the signal entered at non-inverting input

is another basic op-amp circuit. It uses positive feedback to stabilize the overall voltage gain.

Pin 2

Op Amps used for

Inverting input

the main function of operational amplifier is to amplify the input signal and the more ____ it has the better

Op amps usually have three terminals:

Non-inverting input

Ideal op-amp characteristics

Pin 4