How does a junction field effect transistor be detected?
On 2018-12-17 14:03:59 in Generally electronic semiconductor
What is an optical coupler and how to measure it?
On 2018-12-15 14:23:34 in Photoelectric
Five.Optocoupler
On 2018-10-31 11:35:12 in Generally electronic semiconductor
Optocoupler is an electrical and photoelectric converter composed of LED and photosensitive transistors ...
How to measure the optocoupler?
On 2018-10-27 10:43:42 in Photoelectric
Because the way of the optical coupler is not the same,so the test should be based on different structures for measurement and judgment. ...
How to test and repair the rectifier bridge?
On 2018-10-26 15:52:31 in IC Chips
Distinguish polarity to place the multimeter in RX1kQ block,and the black stylus arbitrarily connect a pin of the whole bridge component,and measure the other three pins with the red stylus,if the measured resistance is infinite ...
Common field effect transistor Slice field effect transistor
On 2018-08-28 17:24:04 in Relays
Low power field effect transistor, low power field effect transistor, high input impedance, low driving current, with low noise characteristics ...
What is the structure of the moving coil microphone and how to detect it?
On 2019-01-02 15:05:41 in Knownlege
What are the methods for reducing errors in resistance detection with a pointer multimeter?
On 2019-02-14 10:47:00 in Resistors
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. ...
What is the effect of RS-485 in communication cables?
On 2023-05-16 12:00:35 in IC Chips
Simple function generator circuit
On 2018-12-27 11:22:15 in Knownlege
What are the common faults of the digital multimeter and how to fix it after the fault?
On 2019-01-27 15:09:34 in Technology
Effect of resistance
On 2018-12-03 13:42:35 in Technology
How to detect and replace the solenoid valve?
On 2019-01-08 10:12:19 in Technology
What is the main parameters and model naming method of inductors?
On 2019-01-07 16:57:59 in Inductor
How to detect and repair ceramic filters?
On 2018-12-20 14:47:43 in Generally electronic component
What is the structure and main parameters of the electromagnetic relay?
On 2018-12-18 15:17:36 in Relays
Identification and detection of semiconductor triode.
On 2018-12-14 13:40:36 in Generally electronic semiconductor
The type and technical index of the moving-coil microphone
On 2018-11-01 14:13:26 in Generally electronic component
The type and detection method of microphone is a device that converts sound energy into an audio Telecom number,also called a microphone ...
Identification and detection of semiconductor triode
On 2018-10-30 10:53:09 in Generally electronic semiconductor
The triode transistor, also called a semiconductor triode, also called a bipolar transistor and a crystal triode ...
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. ...
Main parameters of inductors
On 2018-08-22 12:34:29 in Relays
The main parameters of inductors include inductance, permissible deviation, quality factor, sectional capacitance and rated current. ...
How to reduce errors in detecting DC currents?
On 2019-02-13 11:44:47 in Technology
Board soldering considerations
On 2018-12-11 13:46:32 in Technology
Multi-turn potentiometer and single-turn potentiometer
On 2018-12-10 11:01:32 in Knownlege
What are the RS-422 and RS-485 serial interface standards?
On 2022-02-24 11:00:56 in Connector
How to repair and replace the potentiometer?
On 2018-12-18 16:32:39 in Resistors
What are the common transistors?
On 2019-01-08 16:15:52 in Generally electronic semiconductor
How to identify and detect electronic components
On 2018-12-05 11:39:50 in Technology
How to design a high-efficiency LED driver circuit?
On 2021-11-13 10:52:16 in Photoelectric
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 application of I / O connector
On 2019-07-03 10:41:54 in Connector
How to detect micro potentiometers?
On 2019-06-06 15:26:11 in Resistors
The motherboard clock circuit works principle
On 2019-04-30 11:22:08 in IC Chips
What are the methods for detecting DC resistance with using multimeter?
On 2019-02-18 16:59:48 in Knownlege
What is the working principle of the bias circuit in the triode amplifier circuit?
On 2019-10-17 10:02:01 in Knownlege
Method of measuring common resistance and high resistance by digital multimeter.
On 2019-07-01 18:12:58 in Resistors
This article describes the method of measuring common resistance and high resistance by digital multimeter. ...
What are the methods of reducing the measurement error of the pointer multimeter?
On 2019-02-13 13:21:56 in Knownlege
This article introduces some methods of reducing the measurement error of the pointer multimeter ...
How to produce a LED dimming table lamp?
On 2019-01-22 16:51:25 in Technology
The main role of the potentiometer?
On 2018-12-11 13:20:38 in Knownlege