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It shows how an operational amplifier works using real examples. Op amps are used not only to amplify signals, but also to perform various mathematical operations: multiplication, division, addition, subtraction, differentiation, integration, etc. An operational amplifier has a very large gain, which reaches a million or more units, so it is used as a separate microcircuit in very rare cases, mainly with feedback implemented on passive components: resistors and capacitors. 1. How to properly connect unused pins of microcircuits: • What should be done with unconnected pins ... 2. Here is an explanation of the operating principle of a comparator: • LED candle with a light sensor ... 3. What is input resistance, input impedance: • What is Input Impedance, Resistance ... 4. What is impedance and reactance: • What is IMPEDANCE REACTIVE RESISTANCE... 5. How to learn to use an oscilloscope: • How to learn to use an oscilloscope 6. How to use a generator and oscilloscope: • How to use a generator and oscill... 7. How to assemble a computer from transistors: • How to assemble a computer from transistors... A gentleman's set of an electronics engineer: Get a high DISCOUNT on the purchase of ALL products: http://ali.pub/3mwkwb Convenient breadboard: http://ali.pub/3mtvyt Flexible jumpers for a breadboard: http://ali.pub/3mtxj0 Jumpers in a pencil case 14 types 140 pieces: http://ali.pub/3mtxtw A set of 600 resistors, 30 denominations of 20 pieces: http://ali.pub/3muaey A set of transistors: http://ali.pub/3muc1h A good multimeter: RM113D http://ali.pub/3mn1ru Simple Multimeter: DT830B http://ali.pub/3mn8qo Pulse Generator XR2206: http://ali.pub/4c1w62 Pulse Generator ICL8038: http://ali.pub/4c1xmy Serious Digital Signal Generator UNI-T UTG962: http://ali.pub/4c2hx3 Oscilloscope Hantek DSO5202P: http://ali.pub/3rey34 Soldering Iron with Adjustable Temperature CXG 936d: http://ali.pub/4c2kuh #operationalAmplifier #amplifier #electronicsclub