what are the characteristics of a light emitting diode?
On 2018-10-26 16:17:19 in IC Chips
Light emitting diodes have the same conductivity as ordinary diodes.When positive currents pass through PN junctions ...
What is a Schottky diode? How to detect?
On 2018-10-26 15:54:21 in Relays
Schottky diode is a low-power, high-current,ultra-high-speed semiconductor device, reverse recovery time trr can be small to a few nanoseconds ...
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. ...
Parameters, Equivalent and Alternative Types of Switching Diode LL4148
On 2023-03-09 14:13:30 in Generally electronic semiconductor
LL4148 is an inexpensive, ultra-fast and efficient switching diode used in low-voltage, low-current applications with equivalent and substitute diodes. ...
What should be pay attention when installing diodes and transistors on the board?
On 2019-01-18 17:42:43 in Generally electronic semiconductor
This article briefly introduces what should be pay attention when installing diodes and transistors on the board? ...
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 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 ...
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 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 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 about low-capacitance EMI filters with improved performance?
On 2020-11-03 12:08:19 in Generally electronic semiconductor
This article describes the characteristics of the EMI filters. ...
How to solve the electromagnetic interference problem of LED drive power?
On 2019-09-24 10:17:31 in Photoelectric
This article briefly introduces how to solve the electromagnetic interference problem of LED drive power? ...
what is an infrared light emitting diode?
On 2018-10-26 16:45:24 in Memory
determine the order of the arrangement of the pins.The multimeter is placed in the R*1 thousand euro file ...
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 do you measure infrared light emitting diodes?
On 2018-10-26 16:48:19 in Memory
When detecting infrared light emitting diodes,there is a big difference between the pointer type multimeter and the digital multimeter ...
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 ...
How to detect a flashing light emitting diode(BTS)?
On 2018-12-25 11:45:47 in Generally electronic semiconductor
This article briefly introduces how to detect a flashing light emitting diode(BTS) ...
what is a super bright light emitting diode?
On 2018-10-26 16:22:18 in Generally electronic semiconductor
The common L.ED luminescence intensity has developed from several mned to dozens of med. ...
Electrical parameters and CMOS circuit of TTL circuit
On 2018-08-23 11:21:20 in Sensor
the load capacity of the circuit, that is, the fan out coefficient, should be considered so as not to affect the normal operation of the circuit. ...
What are the tips for selecting TVS?
On 2021-07-15 10:51:19 in Generally electronic component
This article describes the characteristics of the TVS. ...
What is the difference between infrared sensor and catalytic combustion sensor?
On 2023-12-18 15:10:24 in Sensor
This article describes the characteristics of the infrared sensor and catalytic combustion sensor. ...
Using integrated passive devices in micromodule SIP
On 2018-11-22 10:20:19 in Generally electronic semiconductor
Integrated passive devices are nothing new in our industry - they have a long history and are well known. ...
What are the main functions of the proximity sensor?
On 2024-01-04 14:14:03 in Sensor
This article describes the characteristics of the proximity sensors. ...
What are the characterictis and application notes of TTL circuit?
On 2019-01-11 15:07:35 in IC Chips
This article describes the characterictis and application notes of TTL circuit ...
What is the matching method of RS-422 and RS-485 transmission lines?
On 2021-12-30 10:59:47 in Connector
This article describes the characteristics of the RS-422 and RS-485 transmission lines. ...
Combinational Logic Circuit Analysis
On 2023-03-17 14:11:18 in IC Chips
IC chips are electronic components composed of transistors, diodes and logic gates used in electronic systems for various operations. ...
If there is no same type of pipe in use, how to replace it?
On 2018-10-26 15:50:14 in Relays
Diodes are generally not good repair, damage can only be replaced. In selecting diodes, we should pay attention to the following principles. ...
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 import smart optical sensors into laptops?
On 2020-12-04 12:11:01 in Sensor
This article describes the characteristics of the optical sensors. ...
How to test and repair the rectifier bridge?
On 2018-12-17 14:45:30 in Generally electronic semiconductor
This article introduces some ways to test and repair the rectifier bridge ...
LED digital tube.
On 2021-03-03 10:32:13 in Generally electronic component
This article describes the role of LED digital tube. ...
What are the commonly used power semiconductor devices?
On 2020-03-10 11:58:35 in Generally electronic semiconductor
This article describes the characteristics of the power semiconductor devices. ...
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 ...
How to measure the transistor?
On 2019-10-30 10:34:17 in Discrete Semiconductor
This article describes the characteristics of measuring the transistor. ...
What is a monochrome LED dot matrix display?
On 2018-10-29 15:27:20 in Relays
Excellent LED dot matrix display is a monochrome light-emitting diode in accordance with the structure of rows and columns ...
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 going on with inductor saturation?
On 2024-01-05 14:11:02 in Sensor
This article describes the characteristics of the inductor. ...