-
2019-11-05Bipolar transistor
A bipolar transistor refers to a transistor that is very commonly used in audio circuits. Bipolar is derived from the relationship in which current flows through two semiconductor materials. The bipol -
2019-11-05Field effect transistor
The meaning of "field effect" is that the working principle of this transistor is based on the electric field effect of the semiconductor. -
2019-11-05Static induction
The Static Induction Transistor (SIT) was born in 1970 and is actually a junction field effect transistor. By changing the lateral conductive structure of the low-power SIT device used for information -
2019-11-05
Single electron transistor
A transistor that can record a signal with one or a small amount of electrons. With the development of semiconductor etching technology and processes, the integration of large-scale integrated circuit -
2019-11-05Transistor main parameters
The main parameters of the transistor are current amplification factor, dissipated power, frequency characteristics, collector maximum current, maximum reverse voltage, reverse current, and the like. -
2019-11-05Collector - collector reverse breakdown voltage
This voltage is the maximum allowable reverse voltage between the collector and the emitter when the transistor is open, generally indicated by VCEO or BVCEO. -
2019-11-05Switch action
Control high power Today's power transistors can control hundreds of kilowatts of power. There are many advantages to using power transistors as switches, mainly; (1) It is easy to turn off, and -
2019-11-05
Identify the type of base and tube
Use R*100 (or R*1K) file of ohm file, first connect one pin with red pen, black pin to another pin, measure two resistance values, then use red pen to connect another pin Repeat the above steps, and m -
2019-11-05Transistor detection
The transistors in the circuit mainly include crystal diodes, crystal transistors, thyristors and FETs. The most common ones are triodes and diodes. How to correctly judge the quality of the two or th -
2019-11-05
Inspection of ordinary Darlington
The inside of a conventional Darlington tube is composed of a collector of two or more transistors connected together, and a plurality of emitter junctions are included between the base b and the emit -
2019-11-05
High-power Darlington tube inspection
High-power Darlington has added a protection circuit consisting of a freewheeling diode and a bleeder resistor on the basis of the ordinary Darlington tube. The measurement should pay attention to the -
2019-11-05
Minimum transistor
Beijing time on May 26, 2010 According to the physicist organization network, American and Australian scientists have successfully produced the world's smallest transistor - a "quantum dot" composed o