The problem of CPLD driving MAX7219

On 2023-03-15 13:45:13  in IC Chips

The problem of CPLD driving MAX7219

CPLD is used to drive MAX7219 IC, making it possible to control up to 64 individual LEDs with minimal control pins from a controller. It is simpler to program and has higher speed than microcontrollers. ...

What is the application analysis of a small current transformer based on the principle of zero magnetic flux in a power system?

On 2020-07-17 10:44:42  in Sensor

What is the application analysis of a small current transformer based on the principle of zero magnetic flux in a power system?

This article describes the characteristics of the transformer. ...

How to apply self-interrogation and diagnostic functions to ensure the integrity of sensor data?

On 2021-05-31 10:42:42  in Sensor

How to apply self-interrogation and diagnostic functions to ensure the integrity of sensor data?

This article describes the characteristics of the sensor. ...

What is MEMS smart sensor technology like?

On 2023-08-29 18:10:02  in Sensor

What is MEMS smart sensor technology like?

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

What are the core indicators and parameters of rechargeable batteries?

On 2021-06-25 10:56:02  in Generally electronic semiconductor

What are the core indicators and parameters of rechargeable batteries?

This article describes the characteristics of the batteries. ...

What is an AC Link Closed Loop Current Sensor?

On 2021-01-16 10:53:05  in Sensor

What is an AC Link Closed Loop Current Sensor?

Description and function introduction of closed loop current sensor ...

What is a light-controlled thyristor?

On 2018-10-29 14:43:26  in Generally electronic semiconductor

What is a light-controlled thyristor?

The light control thyristor,commonly known as light-controlled thyristor,is a light control element,which has simple circuit structure and can directly drive a high-power electric circuit. ...

What is a damped line output transistor?

On 2018-10-27 11:06:35  in Relays

What is a damped line output transistor?

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 design analog switches to switch audio signals?

On 2021-03-25 10:43:32  in Knownlege

How to design analog switches to switch audio signals?

This article describes the characteristics of the switch audio signals. ...

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 role can the clock play in FPGA design?

On 2020-01-04 10:54:19  in Generally electronic semiconductor

What role can the clock play in FPGA design?

This article describes the characteristics of the optical phased array chip. ...

Several installation-related concepts of electronic components

On 2019-01-17 15:56:50  in Knownlege

Several installation-related concepts of electronic components

This article describe several installation-related concepts of electronic components ...

What is the working principle of various buck regulators?

On 2021-07-13 10:55:40  in Transformer

What is the working principle of various buck regulators?

This article describes the characteristics of the regulators. ...

What is the step-down working principle of capacitor?

On 2019-01-19 16:30:32  in Capacitors

What is the step-down working principle of capacitor?

This article writes about the step-down working principle of capacitor. ...

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. ...

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

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. ...

How to realize low power design in embedded system?

On 2021-03-09 10:15:38  in Generally electronic component

How to realize low power design in embedded system?

This article describes the characteristics of the embedded system. ...

Frequency response of audio transformer and high frequency transformer

On 2018-08-23 11:11:57  in Sensor

Frequency response of audio transformer and high frequency transformer

The nominal power of the output transformer is generally greater than the nominal power of the transformer, and the shape structure and circuit symbols are similar to the transformer. ...

FPGA-Based Cache Compression

On 2023-03-16 14:14:22  in IC Chips

FPGA-Based Cache Compression

FPGAs have become an important component of computer systems, enabling higher data throughput and better system performance. ...

How is RFID long-range read-write antenna designed?

On 2020-08-15 11:10:10  in IC Chips

How is RFID long-range read-write antenna designed?

This article describes the characteristics of the RFID ...

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. ...

MEMS oscillator and quartz clock in the car

On 2019-05-20 13:14:44  in Knownlege

MEMS oscillator and quartz clock in the car

This article writes about the MEMS oscillator and quartz clock in the car ...

Intel single bridge H55 chipset motherboard timing.

On 2020-01-03 11:17:51  in Generally electronic semiconductor

Intel single bridge H55 chipset motherboard timing.

This article describes the characteristics of Intel single bridge H55 chipset motherboard timing. ...

What are the applications of small current transformers based on the principle of zero magnetic flux in power systems?

On 2020-11-14 11:43:03  in Sensor

What are the applications of small current transformers based on the principle of zero magnetic flux in power systems?

This article describes the characteristics of the transformers. ...

What are the various driving schemes for LED displays?

On 2020-10-16 10:47:44  in Generally electronic semiconductor

What are the various driving schemes for LED displays?

This article describes the characteristics of the LED displays. ...

Analysis of the working principle of anti-interference filter?

On 2020-10-23 10:46:29  in Generally electronic semiconductor

Analysis of the working principle of anti-interference filter?

This article describes the characteristics of the filter. ...

Analysis of the working principle of anti-interference filter?

On 2020-10-19 10:30:35  in Photoelectric

Analysis of the working principle of anti-interference filter?

This article describes the characteristics of the filter. ...

Inductance Selection and Layout and Wiring Principle of Switching Power Supply

On 2018-11-23 10:32:58  in Inductor

Inductance Selection and Layout and Wiring Principle of Switching Power Supply

Switched-Mode Power Supply (SMPS) is a very efficient power converter. Its theoretical value is close to 100%, and there are many kinds. ...

What is the turn-off thyristor?

On 2018-10-29 15:02:28  in Generally electronic semiconductor

What is the turn-off thyristor?

The GTO is also a PNPN four-layer semiconductor device whose structure and equivalent circuit are the same as ordinary thyristors. ...

What are the components of the wired mouse module and connector?

On 2019-01-14 17:44:21  in Knownlege

What are the components of the wired mouse module and connector?

This article introduces some the components of the wired mouse module and connector ...

How to use pointer multimeter to judge the capacitance value and the capacitance of large capacity electrolytic capacitors

On 2019-11-14 11:02:16  in Capacitors

How to use pointer multimeter to judge the capacitance value and the capacitance of large capacity electrolytic capacitors

This article describes the characteristics of using pointer multimeter to judge the capacitance value and the capacitance of large capacity electrolytic capacitors ...

Operational Amplifier Bias Resistor Calculation

On 2023-03-09 12:08:28  in Resistors

Operational Amplifier Bias Resistor Calculation

Calculating bias resistor for operational amplifiers involves determining input signal, desired gain and input impedance to get the most out of op amp circuit. ...

What is the main process technology of RF power amplifier?

On 2020-03-13 09:59:43  in IC Chips

What is the main process technology of RF power amplifier?

This article describes the characteristics of the RF power amplifier. ...

What is the main process technology of RF power amplifier?

On 2020-01-11 10:50:21  in IC Chips

What is the main process technology of RF power amplifier?

This article describes the characteristics of the RF power amplifier. ...

How to do the best EMC design of PCB?

On 2020-08-27 10:31:47  in IC Chips

How to do the best EMC design of PCB?

This article describes the characteristics of the PCB. ...

What security issues may arise with RFID systems?

On 2020-08-12 10:36:01  in IC Chips

What security issues may arise with RFID systems?

This article describes the characteristics of the RFID. ...

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 21 application trends of sensors in the future?

On 2023-08-07 18:36:07  in Sensor

What are the 21 application trends of sensors in the future?

This article describes the characteristics of the sensors. ...

What are the key factors for digital power to replace analog power?

On 2021-03-27 10:54:46  in Generally electronic semiconductor

What are the key factors for digital power to replace analog power?

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

Autotransformer and voltage regulating transformer

On 2018-08-28 17:33:17  in Relays

Autotransformer and voltage regulating transformer

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. ...