How much do you know about RS-422 and RS-485?
On 2022-03-08 10:43:00 in Knownlege
What is a sheet resistor?
On 2018-12-17 14:36:19 in Resistors
What is the Digital / analog multimeter?
On 2019-02-18 16:56:55 in Knownlege
The type and detection method of microphone
On 2018-12-28 15:10:51 in Generally electronic component
What is the cause of the resonant overvoltage?
On 2019-08-19 10:55:16 in Capacitors
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 ...
What are the core indicators and parameters of rechargeable batteries?
On 2021-06-25 10:56:02 in Generally electronic semiconductor
Maintenance method of bridge power supply circuit failure.
On 2019-04-27 15:32:59 in Knownlege
Classification of bimetal thermometers
On 2019-07-08 15:30:35 in Sensor
USB interface circuit analysis and fault maintenance.
On 2019-06-04 16:06:11 in Connector
What is the types and role of flux?
On 2019-01-27 15:02:59 in Knownlege
Two types of mechanical switch and their detection methods.
On 2019-01-07 15:04:43 in Generally electronic component
Integrated circuit socket
On 2018-08-24 10:46:22 in Relays
Connectors are used to connect cables or electronic devices that can be repeatedly connected and separated. ...
How to detect a double gate field-effect transistor?
On 2019-01-15 14:24:18 in Generally electronic semiconductor
Why do the monitors exhibit different capacitance bulging?
On 2019-07-11 10:28:54 in Photoelectric
This article briefly introduces the reasons of monitors exhibiting different capacitance bulging ...
What is the relationship between transistor and gate?
On 2019-11-01 10:22:23 in Discrete Semiconductor
The difference between Metal film resistor and metal oxide film resistor.
On 2019-01-07 11:50:39 in Resistors
This article writes about the difference between Metal film resistor and metal oxide film resistor. ...
What is the circuit of the video amplifier?
On 2019-09-12 10:22:26 in Generally electronic semiconductor
What are the common diodes?
On 2019-01-07 15:51:31 in Generally electronic semiconductor
Variable capacitance diode, step recovery diode, bidirectional trigger diode
On 2018-08-24 10:57:12 in Relays
It is usually used to trigger bidirectional thyristors, or to form an overvoltage protection circuit. ...
How to judge a capacitor is good or bad and replace the bad one?
On 2019-03-11 12:00:02 in Technology
What is a damped line output transistor?
On 2018-10-27 11:06:35 in Relays
The line output high power transistor with a damping transistor is a special tube in the output circuit of the television.Figure 6A shows the internal structure and equivalent circuit of the output transistor with damping line ...
What is the fake load?
On 2019-04-11 11:33:01 in Knownlege
How to use the formula to find the magnification of the triode amplifier circuit?
On 2019-09-06 11:22:31 in Generally electronic semiconductor
CPU power supply principle.
On 2019-11-16 10:37:22 in IC Chips
IGBT and IGBT modules
On 2018-12-28 11:47:49 in Generally electronic semiconductor
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. ...
The structure and properties of quartz crystal elements
On 2018-11-03 13:39:16 in Question
The quartz crystal element is composed of a quartz wafer,a wafer bracket and a case.The role of the quartz crystal element in the circuit is equivalent to a high Q value LC resonant element ...
Do you know what are the precautions for using MOS tubes?
On 2019-12-11 10:38:46 in Discrete Semiconductor
Some basic considerations and failure analysis of the connector
On 2019-07-05 16:25:55 in Connector
Commonly used connector
On 2019-01-04 16:23:50 in Connector
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 are the methods for detecting transistors of a multimeter?
On 2019-02-22 13:55:39 in Knownlege
Wht is a magneto diode?
On 2019-01-15 16:09:10 in Generally electronic semiconductor
The Work Principle of Circuit Breakers
On 2018-12-29 10:47:09 in Knownlege
Diode
On 2018-12-29 14:42:45 in Generally electronic semiconductor
What are the various classifications and detection principles of fiber optic sensors?
On 2020-11-27 11:10:13 in Sensor
What is the principle of a Hall effect sensor?
On 2020-11-19 11:39:47 in Sensor
What security issues may arise with RFID systems?
On 2020-08-12 10:36:01 in IC Chips
What is the turn-off thyristor?
On 2018-10-29 15:02:28 in Generally electronic semiconductor
The GTO is also a PNPN four-layer semiconductor device whose structure and equivalent circuit are the same as ordinary thyristors. ...