The function of an integrated circuit is to convert electrical energy into other forms of energy. Bridge and provide access to various load devices from the power supply.
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(1) The circuit, the various devices that make up the current path and the overall power supply.
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(2) The circuit is a conductive circuit composed of metal wires and electrical and electronic components, called a circuit. Add a power supply to the input end of the circuit to generate a potential difference, and the circuit can work. Some intuitively can see some phenomena, such as voltmeter or ammeter deflection, light bulb light; Some may require measuring instruments to know if they are working properly. According to the nature of the current flowing, it is generally divided into two types. The circuit through which direct current passes is called \"direct current circuit\
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(3) The circuit is the path through which the current flows, or the electronic circuit, which is connected by electrical equipment and components (with electrical appliances) in a certain way. Such as resistors, capacitors, inductors, diodes, audiodes, power supplies and switches, etc., constitute a network.
An integrated circuit is an IC, the little black block you see on a circuit board with pins. All circuits, as long as they can be integrated and can be made with integrated circuit technology, can be made into IC.
The advantage of making an IC is that, for example, a radio circuit, you use a transistor a transistor, plus a resistor capacitor inductor diode these components are certainly achievable, which is called discrete component implementation, but the final entity will be large.
If the IC process is made into an integrated circuit, it will be less than a small piece of nail size, and a few pins can be used outside.
Therefore, the role of IC is very wide, there are a variety of IC, its function can be power supply, voltage regulator, power amplifier, phase-locked loop, AD\/DA, CPU,DSP can be realized with integrated circuits.