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 choose the most suitable machine vision lighting?
On 2020-07-31 11:53:41 in Generally electronic semiconductor
This article describes the characteristics of the machine vision lighting. ...
OSRAM's first LED using quantum dot-light conversion technology is available
On 2019-05-28 13:49:41 in Discrete Semiconductor
This article describes that OSRAM's first LED using quantum dot-light conversion technology is availableThis article describes that OSRAM's first LED using quantum dot-light conversion technology is available ...
how to detect a two-way trigger diode?
On 2018-10-26 17:02:25 in Memory
use the multimeter to place the multimeter in the RX1~RX10kQ gear and measure the positive and reverse resistance of the bidirectional trigger diode ...
how to detect the transient voltage suppression diode?
On 2018-10-26 17:00:00 in Generally electronic semiconductor
using a multimeter RX 10kilo-ohm for a monopole type TVS,the positive and reverse resistors can be measured by measuring ordinary diodes ...
What is a double base diode (Unijunction transistor) and how to detect it?
On 2019-01-07 10:35:39 in Generally electronic semiconductor
This article describes the double base diode (Unijunction transistor) and the detection method of it. ...
What is a photoelectric switch?
On 2018-10-27 10:33:28 in Photoelectric
The photoelectric switch is a component that is packaged together by a light emitting tube and a light receiving tube ...
what is a diode? What are the features?
On 2018-10-26 15:47:07 in Generally electronic semiconductor
The second plate has a unidirectional conductivity, allowing only the current to flow from the positive to the negative ...
What are the three main technical routes for white LEDs?
On 2022-01-10 10:43:03 in Discrete Semiconductor
This article describes the characteristics of the white LEDs. ...
What is a transient voltage suppressor diode ( TVS )?
On 2018-10-26 16:57:28 in Relays
Transient voltage suppressor diode is a new type of overvoltage safety protection device. The utility model has the advantages of small size ...
What are the performance characteristics and detection methods of diode half-bridge components?
On 2018-12-15 13:58:00 in Generally electronic semiconductor
This article briefly introduces the performance characteristics and detection methods of diode half-bridge components ...
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. ...
Diode rectifier filter circuit Diode half wave rectifier circuit
On 2018-08-28 17:36:03 in Relays
Therefore, bridge rectifier has been widely used.Diode half wave rectifier circuit ...
What is the difference between a photodiode and a photomultiplier?
On 2020-03-17 10:05:17 in IC Chips
This article describes the characteristics of the photodiodes and photomultipliers. ...
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 a diode with using a digital multimeter?
On 2019-02-15 14:09:05 in Knownlege
This article briefly introduces how to detect a diode with using a digital multimeter ...
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 ...
What are the application characteristics of TVS transient voltage suppression diode principle?
On 2021-07-19 11:00:18 in IC Chips
This article describes the characteristics of the diode. ...
Max Born Institute in Berlin: Ultra-short current surges through rectified light
On 2019-05-11 13:47:17 in Knownlege
This article introduces the Ultra-short current surges through rectified light ...
Research finds that LED can replace laser as a method of transmitting near-infrared light
On 2019-07-20 10:49:03 in Photoelectric
This article writes about that a research finds that LED can replace laser as a method of transmitting near-infrared light ...
How to detect and repair ?
On 2018-12-20 13:52:32 in Photoelectric
This article describes how to detect and repair LEDs ...
What are the structure, characteristics and classification of semiconductor read-only memory?
On 2021-04-13 10:52:08 in Crystals Oscillators/Resonators
This article describes the characteristics of the memory. ...
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 ...
What is a LED emission tube and how to detect it?
On 2018-12-21 14:28:11 in Photoelectric
This article briefly introduces what is a LED emission tube and how to detect it ...
What are the advantages and disadvantages of OLED?
On 2021-11-08 11:02:28 in Photoelectric
This article describes the characteristics of the OLED. ...
What types of monitors are divided into display technologies?
On 2021-11-27 10:41:03 in Photoelectric
This article describes the characteristics of the display technologies. ...
LED digital tube
On 2018-12-13 14:17:22 in Generally electronic semiconductor
This article describes the role of LED digital tube. ...
OLED illumination principle and structure
On 2019-06-15 15:27:31 in Generally electronic semiconductor
This article write about the OLED illumination principle and structure ...
Electrooptic devices are just the opposite
On 2018-10-31 11:01:18 in Knownlege
The history of photoelectric technology is actually earlier than that of electronic technology.In early twentieth Century, Einstein won the Nobel prize with the discovery of photoelectric effect ...
What is an optical coupler and how to measure it?
On 2018-12-15 14:23:34 in Photoelectric
This article introduces what is an optical coupler and how to measure it ...
How to use the ionic smoke sensor NIS-02C to detect smoke turbidity?
On 2023-08-21 17:33:43 in Sensor
This article describes the characteristics of the ionic smoke sensor NIS-02C. ...
Do you know how is the green laser produced?
On 2021-04-12 10:44:40 in Crystals Oscillators/Resonators
This article describes the characteristics of the green laser. ...
What are the advantages of OLED?
On 2021-11-04 10:44:37 in Photoelectric
This article describes the characteristics of the L OLED. ...
What are capacitance charging and discharge?
On 2019-08-21 10:54:46 in Capacitors
This article describes the characteristics of capacitance charging and discharge. ...
What is the detection principle of fiber optic sensors?
On 2020-12-03 13:43:10 in Sensor
This article describes the characteristics of the fiber optic sensors. ...
What are the main parameters and types of LEDs and how to detect LED?
On 2018-12-14 13:55:28 in Photoelectric
This article writes about the the main parameters and types of LEDs and how to detect LED ...
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 ...
Photosensitive resistor
On 2018-10-31 11:15:12 in Resistors
Photoresistor is a device made of semiconductor photoelectric effect principle.When the semiconductor is exposed to light ...
How to make an electronic energy saving lamp?
On 2019-01-19 16:55:13 in Technology
This article describes to make an electronic energy saving lamp ...
What is an infrared receiver?
On 2019-01-02 16:02:03 in Generally electronic semiconductor
This article describes the infrared receiver ...