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Anonymous users2024-02-10circuit", the so-called "unit module circuit" includes: various regulated power supply circuits (such as LM7805, LM2940, LM2576, etc.), operational amplifier circuits (LM324, LM358, etc.), comparator circuits (LM339), single-chip microcomputer minimum system, H-bridge motor drive circuit (MC33886, L298, etc.), RC LC filtering, electronic switches composed of MOSFET transistors, etc.
Now don't think that the resistor capacitor is the most basic, the "unit module circuit" is the most basic thing, and only the "unit module circuit" can realize the most basic functions: voltage regulation, signal processing, driving load, etc.
Divide the whole circuit into several parts, it will be much easier to learn, today understand the regulated power supply, tomorrow understand the operational amplifier ......You can understand the general circuit diagram in a week, and the main thing is to comprehend and break each one by one. Unit circuit**Yes, it's okay to check and ask more.
It is not enough to be able to understand circuit diagrams, but also to have hands-on ability.
1. First of all, you can build the circuit on the breadboard according to the "unit module circuit diagram" to make it work normally (understand the pdf data of the components, understand the pin layout of the components and the electrical parameters);
2. Then you can solder a circuit on the universal circuit board (hole board), which can be composed of several parts of the unit circuit (here "wiring" must learn more!) Useful for further learning);
3. On this basis, learn circuit design software such as Protel, and be able to design a whole circuit board PCB.
Learning circuits must be gradual, with theory and practice at the same time.
I hope it can help you!
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Anonymous users2024-02-09What circuits, what aspects.
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Anonymous users2024-02-08To learn electronic circuits well, you must first know the difference between electronic circuits and electrical circuits. An electrical circuit is a circuit that is made up. In addition to resistors (R), capacitors (C), and coils (L), electronic circuits also include semiconductor components such as diodes and transistors (transistors).
Knowing this, you can start learning about electronic circuits.
Electronic circuits are broadly divided into 8 types:
1. Amplification circuit.
2. Oscillation circuit.
3. Modulation circuits.
4. Detection circuit.
5 filters. 6 operational amplifiers.
7. Logic circuits.
8. Power supply circuit.
If you can learn how to make a simple medium-wave 1-3 tube radio, you will be able to master the basics of electronic circuits.
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Anonymous users2024-02-07Self-taught electronic circuits have the following:
1. Overcome the fear of difficulties. When a scholar first sees a complex circuit diagram of a complete machine (such as a television set), he or she is often daunted. In fact, no matter how complex the whole circuit is, it is also composed of unit circuits with different functions, as long as the unit circuits are clear.
The problem is solved.
Second, to learn the basic knowledge to understand the circuit of each functional unit in the whole circuit, it is necessary to learn the courses of "Electrical Circuit" and "Analog Electronic Circuit". You can first take the textbooks of "Electrical Circuits" and "Analog Electronic Circuits" as the basic learning content, and then further learn the basic knowledge of other electronic circuits (digital, high-frequency, pulse) according to the needs and possibilities of your own work, as well as the composition, working principle and use of computers.
3. Pay attention to the necessary experiments and production in the practical link to deepen the understanding and consolidate the knowledge that has been learned.
Fourth, according to their current work, selectively carry out the study of professional knowledge, so as to continuously enrich and improve. Electronic science and technology books, electronic newspapers and periodicals, and television lectures are all good mentors and helpful friends.
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Anonymous users2024-02-06A few tips 1, node: the point where more than three wires meet.
The circuit between nodes is called a tributary.
The circuit from the node to the power supply is called a trunk circuit.
The sum of the currents flowing into the node = the sum of the currents flowing out of the node.
2. Principle of short circuit of current:
The current goes from one current to another, and if it can go through the wire, then it must only go through the wire and not go through other electrical appliances.
3. The inside of the voltmeter is equivalent to an open circuit, and there is no current flowing through (junior high stage) The inside of the ammeter is equivalent to a short circuit (wire), and there is no resistance (junior high stage).
In the series circuit, if any place is disconnected, the whole circuit cannot work (this method is commonly used for switching and controlling electrical appliances) In the parallel circuit, the working of each branch does not affect each other (home circuit) <>
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