the detection of the resistor
On 2018-10-31 10:55:57 in Memory
Will be two pen ( regardless of the positive and negative ) are connected with the two ends of the resistor can be connected to measure the actual resistance value ( in order to improve the measurement accuracy ...
Diode rectifier filter circuit，Diode half wave rectifier circuit
On 2018-09-12 13:00:54 in Memory
Power plant to send 50 Hz AC, after long-distance transmission, to the user is still 50 Hz AC, it is usually sent to industrial users 380 V three-phase AC, to ordinary civil users 220V single-phase AC. ...
Using integrated passive components in the micro-module SIP
On 2018-11-21 11:20:07 in Memory
Integrated passive devices are nothing new in our industry – they have been around for a long time and are well known. ...
How to detect fast recovery, ultrafast recovery diode?
On 2018-10-26 16:05:55 in Memory
The method of measuring fast recovery and ultrafast recovery diode with multimeter is basically the same as the method of detecting plastic sealed silicon rectifier diode. ...
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 ...
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. ...
Common parameters
On 2018-10-30 11:49:42 in Memory
peak height refers to the peak soldering PCB to eat tin height ( Figure 2-1 1 43 ) ...
how to detect and repair the photoelectric switch?
On 2018-10-27 10:40:06 in Memory
The detection method of the transmitting tube and the receiving tube is as follows. ...
How do you choose isolation architectures, circuits, and components in power inverter applications?
On 2018-11-21 10:57:27 in Memory
Both motor and power control inverter designers have the same problem of isolating control and user interface circuits from dangerous power line voltages. ...