Basic knowledge Technical Articles

Source of transistor and difference between NPN and PNP

Detailed explanation of the source of the transistor and the difference between NPN and PNP

2023-09-14897Basic knowledge

Do you know how to use triode in circuits?

Transistors have two working states: static and dynamic. The DC working state of the triode when no signal is added is called static. At this time, the current in each pole is called static current. The working current after adding AC signal to the tri...

2023-09-13637Basic knowledge

Is the gnd of the microcontroller and chip connected to the negative pole of the power supply?

Ask a simple but difficult to answer circuit question: What is the nature of the ground wire GND in the circuit?During the PCB Layout process, engineers will face different GND treatments.Why is this? In the circuit principle design stage, in or...

2023-09-12566Basic knowledge

Why do mosfet tubes always get hot?

1. Why is the power MOS always damaged?Recently, they participated in smart car competitions and produced and debugged their wireless power transmission module for the debugging of energy-saving group car models. Compared with digital and analog circuits...

2023-09-11412Basic knowledge

Operational amplifier working principle and usage skills

This article discusses in detail what is an operational amplifier integrated circuit, as well as the classification, professional terminology, and application techniques of operational amplifiers. And explain the main parameters commonly used in design schem...

2023-09-01846Basic knowledge

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