11/Mar 2022
Thyristor working conditions:
1. When the thyristor is subjected to the reverse anode voltage, no matter what voltage the gate is subjected to, the thyristor is in the off state. 2. When the thyristor is subjected to a forward ano
Knowledge
10/Mar 2022
Types of thyristors
(1) Classification by turn-off, turn-on and control methods Thyristors can be divided into ordinary thyristors, bidirectional thyristors, reverse conducting thyristors, gate turn-off thyristors (GTO),
09/Mar 2022
Thyristor
Thyristor, also known as thyristor rectifier, was once referred to as thyristor; in 1957, General Electric Company of the United States developed the world's first thyristor product and commercial
08/Mar 2022
Triode test formula - can't test, move your mouth
If in the measurement process of "follow the arrow, the deflection is large", if the deflection of the two measurement pointers before and after the inversion is too small to distinguish, it
07/Mar 2022
Triode test formula - along the arrow, the deflection is large
Find out the base b, which of the other two electrodes is the collector c and which is the emitter e? At this time, we can use the method of measuring the penetration current ICEO to determine the col
06/Mar 2022
Triode test formula - PN junction, fixed tube type
After finding the base of the triode, we can determine the conductivity type of the tube according to the direction of the PN junction between the base and the other two electrodes. Touch the black te
05/Mar 2022
Triode test formula - three upside down, find the base
As we all know, a triode is a semiconductor device containing two PN junctions. According to the different connection methods of the two PN junctions, it can be divided into NPN type and PNP type tran
04/Mar 2022
The composition principle of triode circuit
1. Ensure that the transistor, the core device of the amplifying circuit, works in the amplifying state, that is, it has an appropriate bias. That is to say, the emitter junction is forward biased and
03/Mar 2022
The circuit composition of the triode
The basic amplifier circuit of the common emission configuration is that the input signal is added between the base and the emitter, and the coupling capacitors C1 and Ce are regarded as short circuit
02/Mar 2022
Basic structure of triode
The basic amplifier circuit is the most basic structure in the amplifier circuit, and it is the basic unit that constitutes the complex amplifier circuit. It utilizes the characteristics of the bipola