Abstract—This paper microwave integrated-circuit quarter-wave-length phase shifter employs 3-dB 90 branch-line transmission lines. present a new analog quarter-wave-length has only one-half as analog ...
Semiconductor devices are very dazzling stars in the modern electronic industry. They have made great progress in recent decades. With many advantages, they have been widely used in functional circuit...
The FPGA tutorial series includes:
1) FPGA Design to Simplification 2) Modelsim FAQ Series 3) Playing with Zynq Series 4) Purgatory Legend Series
Here, I would like to express my sincere gratitude to ...
Activity scale: 200 people The lecture is mainly divided into 3 topics: Topic 1, Introduction to Embedded Linux Development and Application Topic 2, Approaching WinCE BSP Development Topic 3, Embedded...
I have a C8051F060 microcontroller, using a 12M external crystal oscillator and a 30pF capacitor. However, the external crystal oscillator is unstable, and the microcontroller works for a while and do...
I read in the manual that the fastest should be half of the CPU frequency, 36Mhz, and the manual content is as follows:Select the BR[2:0] bits to define the serial clock baud rate (see SPI_CR1 registe...
1. Overview
Will passive devices
produce nonlinear intermodulation distortion? The answer is yes! Although there is no systematic theoretical analysis, it has been found in engineerin...[Details]
As LEDs continue to improve in almost every aspect of performance and cost, LED lighting is being used in an increasingly wide range of applications, among which LED street lights are a focus of in...[Details]
Among the many members of the single-chip microcomputer family, the MCS-51 series of single-chip microcomputers has occupied the main market of industrial measurement and control and automation eng...[Details]
From the previous section, we have learned that the timer/counter in the microcontroller can have multiple uses, so how can I make them work for the purpose I need? This requires setting the timer/...[Details]
D5026A is a driver IC designed by Shanghai Debei Electronics for energy-saving LED display screens. Its design concept is energy-saving and compatible with existing solutions, that is, it can be ...[Details]
Introduction
Today, as IC (integrated circuit) has developed to a super-large scale, IC design based on IP (Intellectual Property) cores and their reuse are important means to ensure the ef...[Details]
Zarlink Semiconductor has developed an ultra-low-power RF transceiver chip for pacemakers, neurostimulators, drug pumps, and other such implantable medical devices. It has high data rates, low power c...[Details]
Among the uses of electrical energy, lighting accounts for a considerable proportion. Compared with the earlier ordinary incandescent lamps, the fluorescent lamps and energy-saving lamps we commonl...[Details]
Movpower is a portable power bank. It can charge most mobile phones and digital products, such as digital cameras, PDAs, and mobile phones such as Apple, iPod, Blackberry, Motorola, Samsung, Nokia,...[Details]
1. Advantages of CAN-bus in coal mine communication
Coal mine production is a field closely related to the national economy and people's livelihood. Among them, coal mine safety is undoubtedly ...[Details]
Stepper motors, also called steppers, use the principles of electromagnetism to convert electrical energy into mechanical energy and have been used since the 1920s. With the increasing popularity o...[Details]
Since the first rechargeable battery was invented in 1859, batteries have been developed for a century and a half. With the improvement of human science and technology and the advancement of manufa...[Details]
1 Causes of problems with electric vehicle batteries
1.1 Caused by the battery itself
Why do we say that? In the previous issue, we learned about the working princi...[Details]
Lithium iron phosphate batteries are used as lithium-ion secondary batteries. Their main application is now in power batteries, which have great advantages over NI-H and Ni-Cd batteries.
Lithi...[Details]
With the continuous development of integrated circuit technology, integrated circuits have developed from thousands of gates to the current level of millions and tens of millions of gates. The applica...[Details]
Industrial Control Electronics
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