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2. Operational amplifier applications - Wikipedia

   en.wikipedia.org/wiki/Operational_amplifier...

   A non-inverting amplifier is a special case of the differential amplifier in which that circuit's inverting input V 1 is grounded, and non-inverting input V 2 is identified with V in above, with R 1 ≫ R 2. Referring to the circuit immediately above,

3. Operational amplifier - Wikipedia

   en.wikipedia.org/wiki/Operational_amplifier

   An op amp with negative feedback (a non-inverting amplifier) If predictable operation is desired, negative feedback is used, by applying a portion of the output voltage to the inverting input. The closed-loop feedback greatly reduces the gain of the circuit. When negative feedback is used, the circuit's overall gain and response is determined ...

4. Op amp integrator - Wikipedia

   en.wikipedia.org/wiki/Op_amp_integrator

   Referring to the above diagram, if the op-amp is assumed to be ideal, then the voltage at the inverting (-) input is held equal to the voltage at the non-inverting (+) input as a virtual ground. The input voltage passes a current V in / R 1 {\displaystyle V_{\text{in}}/{R_{1}}} through the resistor producing a compensating current flow through ...

5. Amplifier - Wikipedia

   en.wikipedia.org/wiki/Amplifier

   A 'non-inverting' amplifier maintains the phase of the input signal waveforms. An emitter follower is a type of non-inverting amplifier, indicating that the signal at the emitter of a transistor is following (that is, matching with unity gain but perhaps an offset) the input signal. Voltage follower is also non-inverting type of amplifier ...

6. Operational transconductance amplifier - Wikipedia

   en.wikipedia.org/wiki/Operational_trans...

   As with the standard op-amp, practical OTA's have some non-ideal characteristics. These include: Input stage non-linearity at higher differential input voltages due to the characteristics of the input stage transistors. In the early devices, such as the CA3080, the input stage consisted of two bipolar transistors connected in the differential ...

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