Commonly used connector
On 2018-11-01 17:07:09 in Memory
The classification connector of the connector is also called a connector, which is usually composed of a plug ( also known as a male plug ) and a socket ( called a female plug ) ...
what is a double base diode (single junction transistor)?
On 2018-10-26 17:09:25 in Memory
Double base diode,also known as single crystal transistor (UJT)is a three terminal semiconductor device with only one PN junction.the circuit symbol,internal structure and equivalent circuit of double base diode. ...
how to detect a dual base diode?
On 2018-10-26 17:10:47 in Memory
discriminant emitter E. When the multimeter is placed in the RX1k2 block and the positive and reverse resistance values between any two electrodes are equal (2~10k2) with two forms ...
how to detect the discoloration LEDs?
On 2018-10-26 16:40:18 in Memory
As shown in Figure 5-18,a circuit for detecting a discoloration light emitting diode (LEDs),a multimeter is placed in the RX10k2 block,and the two pin is connected. ...
The characteristics of Holzer element
On 2018-11-03 15:08:21 in Memory
The materials used in Holzer devices include germanium,silicon,InSb,InAs,GaAs and so on ...
the structure,type and detection method of the loudspeaker
On 2018-11-03 15:12:34 in Memory
one The structure of the loudspeaker.The loudspeaker,also known as the horn,is an electro-acoustic conversion device that converts the analog voice telephone number into a sound wave ...
Wave soldering technology is a mature electronic assembly process
On 2018-10-30 11:33:30 in Memory
the process is loading plate,coating flux,preheating,wave soldering,hot air knife treatment,cooling and unloading plate ...
How to measure the color LED dot matrix display?
On 2018-10-29 15:33:54 in Memory
The color LED dot matrix display is the same as monochrome.You can use short columns or rows of methods to detect,just a little cumbersome operation ...