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. ...
how to detect a photosensitive transistor?
On 2018-10-27 11:13:49 in Memory
the pin of the pin identifies the pin arrangement of the photosensitive transistor as shown in Figure 6-8,the foot near the pin or the longer one is the emitter E,and the far or shorter foot of the foot is the collector C ...
How to detect the BTG thyristor?
On 2018-10-29 15:08:36 in Memory
Judging the electrode to place the multimeter in RX1K2 block,and the red and black stylus rotation to connect a pair of electrodes,when a pair of pins is measured to be low resistance ...
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. ...
what is an infrared receiver?
On 2018-10-26 16:53:35 in Memory
The infrared receiving tube is a semiconductor device used to receive the infrared light wave generated by the infrared light emitting diode and convert it into electrical signal. ...
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. ...
how to detect the LED emission tube?
On 2018-10-26 16:31:21 in Memory
The use of multimeter to detect LED luminous platoon is mainly to check whether the LEDs are good ...
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 ) ...
What is an optical coupler?
On 2018-10-27 10:41:35 in Memory
Optical coupler also known as photoelectric isolator,referred to as optocoupler. Optical couplers use light as a medium to propagate the Telecom number ...
how to detect a varactor?
On 2018-10-26 17:08:18 in Memory
Because the positive resistance of the varactor diode is larger,the multimeter is placed in the RX 10k2 block,the red form is connected to the positive pole ...
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 ...
Structure and characteristics
On 2018-11-01 16:47:41 in Memory
LED digital tube also known as semiconductor digital tube ( Figure 1-1-5 ),it is a number of light-emitting diodes arranged in a fixed pattern and packaged together the most commonly used digital display one of the devices ...
Comparative analysis of LDO linear regulator and DC/DC device
On 2018-11-20 10:33:07 in Memory
LDO is a low dropout linear regulator, compared with the traditional linear regulator. Traditional linear regulators ...
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 ...
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 ) ...
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. ...
The main parameters of LED
On 2018-10-31 11:11:54 in Memory
The main parameters of LED include the maximum working current Im and the maximum reverse voltage Um ...