I want to use the DDR2 SDRAM controller with ALTMEMPHY in MegaWizard, but there are no "next", "finish" and other operations. Do I need a special license? Thank you!...
Amplifier Stability Tutorial Series : https://training.eeworld.com.cn/course/4767Analog Devices' Matt Duff introduces loop gain, a key term in determining whether an op amp circuit is stable, and expl...
It's Chinese New Year. First of all, I'd like to wish all the friends in the forum a happy new year, good work in the coming year, and a better and better forum! Next, I'll use my photos to show the C...
[color=#000][size=10pt]X-NUCLEO-IDB04A1 is a Bluetooth low energy development board that can be directly plugged into the STM32 Nucleo development board, as shown in the figure: [/size][/color] [color...
EMIF, the full name is External Memory Interface, is a parallel data transmission on-chip peripheral used for off-chip memory expansion and external data interface. It can seamlessly connect to three ...
The GSM module (Huawei's 900c) has an AT command, AT%DNSR, which can resolve a domain name into an IP address. However, there is no similar command on the CDMA (EM200) module. Does CDMA have a command...
Emergency hand-held lamps powered by 6V maintenance-free batteries are widely used in rural areas. The charger used is a transformer step-down and single diode half-wave rectifier, and the charging...[Details]
This article discusses how to wake up a touch-sensitive device such as a tablet without touching the device, using basic gesture recognition and novel proximity sensors. The article discusses the p...[Details]
China's new energy vehicles are in a transition period from research and development to real industrial development. In 2012, with the intensive launch of new energy vehicle policy planning, the de...[Details]
0. Introduction
In daily life, we often see some special-purpose vehicles. When these vehicles pass through intersections, they often obtain the right of way at intersections by temporarily op...[Details]
Analog engineers have traditionally struggled with complexity when designing power supplies that required multiple outputs, dynamic load sharing, hot-swap, or extensive fault-handling capabilities....[Details]
introduction
In the discharge process of tokamak plasma physics, the study of rupture and sawtooth is of great significance. Rupture and sawtooth exist in most tokamaks. Rupture is a notew...[Details]
Abstract: In order to generate a stable excitation signal, the design of a digital frequency synthesizer is implemented on FPGA using Verilog hardware language. The design includes accumulator, wav...[Details]
The reason for the light decay of white LEDs: the decline of phosphor performance
So far, the rapid decline of the luminous performance of white light LEDs, especially low-power white light LE...[Details]
1. Introduction to CIF Board
Fieldbus integration based on PC system
Whether it is a master or a slave, fieldbus has won unanimous praise in the field of PC-based automation. For more...[Details]
This controller uses PIC16C54 single-chip microcomputer as the controller, and it is very easy to use: just connect a telephone line to the loudspeaker through the controller, and you can rem...[Details]
Printed circuit boards ( PCBs
)
are used in most electrical products
. If a PCB has low
insulation resistance
(IR), the performance of the circuits on the PCB will be greatly reduced...[Details]
hint:
The number of speakers and their spacing limit the sound field of a portable stereo system.
Spatial audio attempts to artificially recreate the experience of listening to sounds i...[Details]
LED lighting: Basic circuit design can be completed in as little as one day
Semiconductor manufacturers are also getting involved in the LED lighting business. The power circuit of LED req...[Details]
The serial interface real-time clock chip DS1302 launched by Dallas Company in the United States can trickle charge the backup battery of the clock chip. Due to the main features of the chip such a...[Details]
1 Basic Features
In computer control systems and various intelligent instruments and meters composed of single-chip microcomputers (or microprocessors), various external analog signals must be ...[Details]
FPGA/CPLD
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