Power supply voltage: 1.65V ~ 5.5V Logic circuit family: 74LVC Logic type: AND gate circuit/number of components: 2 Number of inputs/digits per component: 2 Quiescent current (maximum value): 4uA
(10ppm error means 0.8 seconds error per day) If the error is found to reach 1 second per day when using a single-chip microcomputer as an electronic clock, how can the software be used to reduce this...
Question: The microcontroller receives data from the PC parallel port. For example, AT89C52 does not have a parallel port interrupt like a serial port interrupt. Can I handle it like this? 1: Connect ...
Recently I want to use dshow to make a video player on ce 5.0, but it seems that PB does not provide several files such as strmbase.lib of the simulator, and I don’t know how to compile it. If any exp...
The project I am working on now is about DM8168 and C6678 communicating through PCIe. The current situation is that the DM8168 translates the address of the data to be processed in its DDR to the PCIe...
A Luyang YB4325 oscilloscope, sometimes works normally after powering on, sometimes not, the specific situation is as follows:First is the normal situation. Please pay attention to the position and sh...
High efficiency and low standby power consumption are two major challenges in today's switching power supply design. Resonant topology or LLC topology is becoming increasingly popular because it ca...[Details]
With the rapid development of science and technology, especially the widespread application of digital technology and various ultra-large-scale integrated circuits, electronic equipment, especially...[Details]
With the development and widespread application of computer technology, especially in the field of industrial control, computer communication is particularly important. Although serial communication g...[Details]
introduction
MAX6636 is a multi-channel precision temperature monitor that can not only monitor local temperature, but also connect up to 6 diodes externally. Each channel has a programmable...[Details]
Capacitors
are basic components in various electronic devices and are widely used for bypassing, coupling,
filtering
, tuning, etc. in electronic circuits. However, to use capacitors,...[Details]
Problems such as the depletion of natural resources, air pollution, traffic congestion, and rising fossil fuel prices have forced societies and individuals to seek alternative means of transportati...[Details]
Motors, especially those with brushes, generate a lot of noise. This noise must be dealt with if the appliance is to meet the requirements of EMC standards. The means to solve EMC are nothing more ...[Details]
LED guardrail lights use fluorescent tubes or LEDs as light sources and continuous guardrails as carriers to form an approximately linear guardrail light strip. This article mainly introduces...[Details]
Currently, each country is developing its own USB interface
charging specifications
, which leads to a major problem that a USB interface
charging
device manufactured in one country...[Details]
1 Introduction to LED
With the development of science and technology, people have higher and higher requirements on automobile light sources. LED (Light Emitting Diode) has gradually attracted...[Details]
LED is the abbreviation of the English word. Its main meanings are: LED = Light Emitting Diode, a solid-state semiconductor device that can convert electrical energy into visible light. It can dire...[Details]
This article discusses the six design steps of LED lighting system design in detail: (1) determine the lighting requirements; (2) determine the design goals and estimate the optics; (3) the efficie...[Details]
In industry, voltage 0…5 (10) V or current 0 (4)…20 mA is usually used as a method for analog signal transmission, which is also a method often used by programmable controllers. So what are the dif...[Details]
Applying fieldbus technology on new beer production lines is the first choice for large beer companies with strong management level and technical strength. Guangzhou Zhujiang Beer Group Co., Ltd. i...[Details]
Fairchild's FAN6208 is a synchronous rectification (SR) controller for isolated LLC or LC resonant converters that can drive two individual SR MOSFETs emulating the behavior of rectifier diodes. FAN62...[Details]