Plug-in of electronic components
On 2018-11-01 13:51:17 in Relays
Manual insertion and welding should be first inserted into those components that need to be mechanically fixed,such as the power device radiator,bracket,clip,etc,and then insert the need to weld fixed components. ...
Identification and detection of capacitance components
On 2018-08-22 12:26:48 in Relays
Inductors are usually classified by skeleton, winding, shielding, packing material, magnetic core or magnetic core. ...
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. ...
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 basic principle of sonar signal simulator based on DDS technology?
On 2021-03-20 11:13:27 in Relays
This article describes the characteristics of the digital circuits in signal simulator. ...
Sequential logic circuit register
On 2018-08-28 17:30:45 in Relays
it cannot be started. Indicates whether the number of valid cycles is an increment counter or a decrement counter, and the mode (count length) function of the state machine (counter), such as a decimal number. ...
Identification and detection of active resistance elements
On 2018-08-22 11:08:45 in Relays
Resistance is one of the most common and basic electronic components. ...
Types and detection methods of switching devices
On 2018-11-01 16:57:50 in Relays
The switch is the component that completes the electrical connection and disconnection through a certain action,which is generally connected in series to realize the transmission and control of signal and electric energy ...
Diode and transistor detection
On 2018-08-22 12:31:42 in Relays
In identifying and detecting common components, the resistance is the forward resistance of the diode. ...
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 ...
Potentiometer detection and resistance detection
On 2018-08-22 12:04:06 in Relays
The actual resistance value can be measured by connecting two forms (no positive or negative) to the two ends of the resistor respectively. ...
Four wave soldering daily maintenance and maintenance knowledge
On 2018-10-30 11:01:43 in Relays
Four wave soldering daily maintenance and maintenance knowledge 1 regularly check the heating pipe voltage is normal,too high voltage will damage the heating pipe. ...
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 Solid-State Relays (SSRs) Faces Overheat Challenge?
On 2018-12-18 13:26:35 in Relays
This article describes How Solid-State Relays (SSRs) Faces Overheat Challenge ...
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 ...
How to prevent solid-state relay and equipment failure!
On 2018-12-17 11:51:59 in Relays
The article explores how to prevent solid-state relay and equipment failure! ...
Autotransformer and voltage regulating transformer
On 2018-08-28 17:33:17 in Relays
The common characteristic of transformer is that the DC circuit on both sides is completely separated, and the energy transfer on both sides is coupled by magnetic field. ...
What is a transistor? What's the role?
On 2018-10-27 10:46:55 in Relays
Transistors are also called semiconductor diodes,which can be said to be the most important devices in electronic circuits ...
Basic SR latch trigger
On 2018-08-28 17:26:28 in Relays
State transition diagram is a common tool in sequential logic circuits. It writes states in circles, arrows indicate the direction of state transition, and transition conditions are written next to arrows. ...
The identification of model and pin
On 2018-11-01 16:51:26 in Relays
Because the number of LED digital tube is not unified,it can be said that there are no rules to follow ...
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. ...
What is a reed pipe and dry reed relay and how to detect them?
On 2018-12-27 13:51:03 in Relays
This article introduces reed pipe and dry reed relay ...
what is a solid state relay (SSR)?
On 2018-12-25 13:11:35 in Relays
This article writes about the solid state relay (SSR) ...
Classification of capacitors
On 2018-10-30 11:59:35 in Relays
According to function.It can be divided into polyester capacitor,mica capacitor,high frequency ceramic capacitor,monolithic capacitor ...
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 is a relay?
On 2018-12-15 15:06:06 in Relays
This article briefly introduces the classification of relays ...
Relay function
On 2018-12-06 13:48:23 in Relays
This article describes the role of relays functions ...
What is the role of the thermal relay?
On 2018-12-08 12:03:04 in Relays
This article briefly introduces the role of the thermal relay ...
How to Reduce the Power Consumption of the Relay
On 2018-12-28 11:03:22 in Relays
This article describes the methods to reduce the power consumption of the relay ...
Is Replacing Old Mechanical Relays via PLCs a Good Idea?
On 2018-12-17 12:03:18 in Relays
The article explores that Is Replacing Old Mechanical Relays via PLCs a Good Idea ...
The types and characteristics of solder wave crests
On 2018-10-30 11:38:53 in Relays
let the solder joints get reliable wetting;the stationary tin wave at the rear is perfect for further trimming the solder joints that have been wettable but irregular in shape ...
Different role of reed relay and solid state relay
On 2019-01-04 11:43:43 in Relays
This article describes the role of reed relay and solid state relay ...
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 ...
Transistor FET
On 2018-08-24 11:08:36 in Relays
The appearance of the public field effect transistor is shown in Fig.First, the classification of FET. ...
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 identify and detect relays?
On 2018-12-20 14:13:55 in Relays
This article describes how to identify and detect relays ...
Electret capacitive microphone
On 2018-11-01 14:19:07 in Relays
To measure the secondary coil of the output transformer,it can be measured directly with the two surface pen to check the output end of the city ...
What is the structure and main parameters of the electromagnetic relay?
On 2018-12-18 15:17:36 in Relays
This article describes the structure and main parameters of the electromagnetic relay ...
how to detect the four end small power thyristor?
On 2018-10-29 15:00:02 in Relays
To detect the unidirectional conductivity of PN junction,the multimeter is placed in RX 1K block,and the positive and negative resistance between A-GA,GKGA and Gk-K are measured. ...
The resistance between 2E and C
On 2018-10-27 11:00:40 in Relays
The resistance between 2E and C.Silicon tube is almost infinite size power pin tube in the tens of thousands of euros,high-power wrong tube in the hundreds of Europe.If the measured resistance is zero ...