​how to detect a varactor?

On 2018-10-26 17:08:18  in Memory

​how to detect a varactor?

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 ...

Basic SR latch trigger

On 2018-08-28 17:26:28  in Relays

Basic SR latch trigger

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. ...

8-bit microcontroller with analog function and DMA controller in 8-pin package

On 2019-05-13 15:31:02  in IC Chips

8-bit microcontroller with analog function and DMA controller in 8-pin package

This article briefly introduces the 8-bit microcontroller with analog function and DMA controller in 8-pin package ...

Electrical parameters and CMOS circuit of TTL circuit

On 2018-08-23 11:21:20  in Sensor

Electrical parameters and CMOS circuit of TTL circuit

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. ...

Capacitor function

On 2018-12-10 10:40:15  in Capacitors

Capacitor function

This article describes the role of capacitor ...

Laptop cooler

On 2018-12-05 12:07:56  in Knownlege

Laptop cooler

​This article briefly introduces the laptop cooler ...

What are the characteristics and importance of power cable insulation?

On 2019-08-14 10:31:38  in Generally electronic component

What are the characteristics and importance of power cable insulation?

This article describes the characteristics of the cables. ...

ROHM has developed a buck-boost DC/DC converter "BD83070GWL" with significant energy saving advantages.

On 2019-08-07 10:34:44  in Generally electronic semiconductor

ROHM has developed a buck-boost DC/DC converter "BD83070GWL" with significant energy saving advantages.

This article describes the characteristics of the converter. ...

What are the characterictis and application notes of TTL circuit?

On 2019-01-11 15:07:35  in IC Chips

What are the characterictis and application notes of TTL circuit?

This article describes the characterictis and application notes of TTL circuit ...

What are the working principles of AM radio?

On 2019-01-11 11:08:24  in Knownlege

What are the working principles of AM radio?

This article writes about the working principles of AM radio. ...

How to reduce errors in detecting DC currents?

On 2019-02-13 11:44:47  in Technology

How to reduce errors in detecting DC currents?

This article describes the method of reducing errors in detecting DC currents. ...

What are the problems in radio assembly?

On 2019-01-15 14:05:25  in Knownlege

What are the problems in radio assembly?

This article describes the problems in radio assembly ...

Different characteristics of paper capacitors and film capacitors

On 2019-01-14 15:35:42  in Capacitors

Different characteristics of paper capacitors and film capacitors

This article describes the different characteristics of paper capacitors and film capacitors ...

What are the features and use note of CMOS circuit?

On 2019-01-09 14:07:06  in Knownlege

What are the features and use note of CMOS circuit?

This article describes the features and use note of CMOS circuit ...

What is the EMI and ESD noise suppression design solution based on LCD or camera?

On 2020-10-27 10:45:50  in Generally electronic semiconductor

What is the EMI and ESD noise suppression design solution based on LCD or camera?

This article describes the characteristics of the camera ...

AVR microcontroller, STC microcontroller, Freescale microcontroller introduction?

On 2020-06-05 11:10:43  in IC Chips

AVR microcontroller, STC microcontroller, Freescale microcontroller introduction?

This article describes the characteristics of AVR microcontroller, STC microcontroller, Freescale microcontroller. ...

What is the relationship between transistor and gate?

On 2019-11-01 10:22:23  in Discrete Semiconductor

What is the relationship between transistor and gate?

This article describes the characteristics of transistor and gate. ...

What is the clamp position of the diode?

On 2019-10-26 13:40:14  in Generally electronic component

What is the clamp position of the diode?

This article describes the characteristics of clamp position of the diode. ...

Analysis of bad welding quality and countermeasures

On 2019-01-11 13:13:15  in Technology

Analysis of bad welding quality and countermeasures

This article describes the analysis of bad welding quality and countermeasures ...

What are the performance characteristics of headphones and earplugs and how to detect them?

On 2018-12-21 10:48:38  in Generally electronic component

What are the performance characteristics of headphones and earplugs and how to detect them?

This article briefly introduces the performance characteristics and detection of headphones and earplugs ...

Different of a five-terminal integrated voltage regulator with reset function and a voltage-controlled five-terminal integrated voltage regulator

On 2018-12-17 15:12:49  in IC Chips

Different of a five-terminal integrated voltage regulator with reset function and a voltage-controlled five-terminal integrated voltage regulator

This article briefly introduces different of a five-terminal integrated voltage regulator with reset function and a voltage-controlled five-terminal integrated voltage regulator ...

What are the application areas of MEMS?

On 2023-09-05 17:35:05  in IC Chips

What are the application areas of MEMS?

This article describes the characteristics of the MEMS. ...

What are the signal letters on mainboard?

On 2019-03-14 11:26:47  in IC Chips

What are the signal letters on mainboard?

This article briefly introduces some signal letters on mainboard ...

3D smart TV concept and principle

On 2019-07-11 10:47:47  in Photoelectric

3D smart TV concept and principle

...

Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens

On 2019-04-16 11:29:12  in Knownlege

Discrimination on the pseudo-concept of "reverse earth resistor value and modification of multimeter pens

This article briefly introduces the discrimination on the pseudo-concept of "reverse earth resistor value” and modification of multimeter pens ...

​What is the Digital / analog multimeter?

On 2019-02-18 16:56:55  in Knownlege

​What is the Digital / analog multimeter?

This article describes two common digital / analog multimeter. ...

Light control automatic energy saving LED light circuit

On 2019-01-23 17:42:10  in Knownlege

Light control automatic energy saving LED light circuit

This article writes about the light control automatic energy saving LED light circuit ...

What is a Aluminum Electrolytic Capacitor and its characteristics and applications?

On 2019-01-09 14:19:25  in Capacitors

What is a Aluminum Electrolytic Capacitor and its characteristics and applications?

This article describes the characteristics and applications of Aluminum Electrolytic Capacitor ...

What are the Synthetic carbon film resistor and organic synthesis solid resistor ?

On 2019-01-08 10:34:37  in Resistors

What are the Synthetic carbon film resistor and organic synthesis solid resistor ?

This article writes about the Synthetic carbon film resistor and organic synthesis solid resistor. ...

What is the synthetic carbon film resistor and organic synthesis solid resistor?

On 2019-01-07 16:17:31  in Resistors

What is the synthetic carbon film resistor and organic synthesis solid resistor?

This article describes the synthetic carbon film resistor and organic synthesis solid resistor ...

What is a unidirectional thyristor?

On 2018-12-14 11:49:41  in Generally electronic semiconductor

What is a unidirectional thyristor?

This article briefly introduces the unidirectional thyristor ...

What is a one-way thyristor?

On 2018-10-29 13:54:54  in Generally electronic semiconductor

What is a one-way thyristor?

SCR is a three-terminal semiconductor device composed of PNPN four-layer semiconductor material. ...

What are the mainstream microcontrollers on the market?

On 2020-06-01 10:33:29  in IC Chips

What are the mainstream microcontrollers on the market?

This article describes the characteristics of mainstream microcontrollers. ...

How to solve the interference problem in the motor controller EMC test process?

On 2019-08-12 10:13:51  in Technology

How to solve the interference problem in the motor controller EMC test process?

This article describes the characteristics of the motor controller. ...

FPGA cross-border acquisition speeding horizontal integration vertical innovation seeking common ground while reserving differences

On 2019-07-27 11:28:39  in Generally electronic component

FPGA cross-border acquisition speeding horizontal integration vertical innovation seeking common ground while reserving differences

This article describes FPGA cross-border acquisition acceleration horizontal integration vertical innovation seeking common ground while retaining differences ...

How to set parameters of the inverter?

On 2019-05-25 14:01:42  in Knownlege

How to set parameters of the inverter?

This article describes how to set parameters of the inverter ...

Integrate the clock generator into the microcontroller

On 2019-05-07 16:33:50  in Knownlege

Integrate the clock generator into the microcontroller

Accurate clock signals are a prerequisite for reliable communication - whether by radio or by wire. With the ever-increasing demand for data transmission, the previous approach has reached its limit. ...

TMS microcontroller, STM32 microcontroller, PIC microcontroller Introduction?

On 2020-06-03 10:42:22  in Generally electronic semiconductor

TMS microcontroller, STM32 microcontroller, PIC microcontroller Introduction?

This article describes the characteristics of TMS microcontroller, STM32 microcontroller, PIC microcontroller. ...

What are the mainstream microcontrollers on the market?

On 2020-05-28 09:53:20  in Generally electronic semiconductor

What are the mainstream microcontrollers on the market?

This article describes the characteristics of mainstream microcontrollers. ...

What are the power system voltage regulation methods and measures?

On 2019-08-08 11:52:11  in Technology

What are the power system voltage regulation methods and measures?

This article describes the characteristics of the voltage regulation. ...