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2019-11-02Triode working principle
There are two types of crystal triodes (hereinafter referred to as triodes) according to materials: tantalum tubes and silicon tubes. Each of them has two structural forms, NPN and PNP, but the most c -
2019-11-02Principle of amplification
Principle of amplification 1. The launch area emits electrons to the base area The power source Ub is applied to the emitter junction via the resistor Rb, and the emitter junction is forward bia -
2019-11-02Transistor parameters and classification
product category a. According to the material: Silicon tube, tube b. According to structure: NPN, PNP. as the picture shows. c. According to function: switch tube, power tube, Darlington tub -
2019-11-02Judging the pin position of the triode
Judging the pin position of the triode The pin position of the triode is judged, and the pin position of the triode has two package arrangements. The triode is a junction-type resistor device. I -
2019-11-02
Transistor structure type
Transistor structure type The transistor is made of two closely spaced PN junctions on a semiconductor substrate. The two PN junctions divide the monolithic semiconductor into three parts, the midd -
2019-11-02The role and working state of the triode
Product function The transistor has a current amplification effect, which is essentially a triode that can control a large amount of change in the collector current with a small amount of change in -
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wall charger with type C cable
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new design bluetooth speaker with microphone
new model,bluetooth speaker with microphone,very convenient,welcome to your order about it,we will try best to meet your demand. -
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HK Fair
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QC 3.0 charger
quick wall charger & car charger