MAX267 is a dedicated bandpass filter chip. I want to get a gain of 10,000 times the center frequency signal, so I use two 267 cascades, each with two second-order filters, each with a Q of 10, the cl...
When I use Dingyang SDS1102CM digital oscilloscope to measure the sine wave, there is a slight step when it is displayed? Has any engineer encountered this and can give an answer?...
Circuit Function and AdvantagesThis circuit provides a simple and effective interface between the ADL5370 I/Q modulator and the AD9779A high speed DAC. The ADL5370 and AD9779A are well matched because...
The same is true for Wi-Fi. Without Wi-Fi, none of us can be swiping away on YouTube videos on our company laptops via a rogue hotspot in a busy but socially distanced coffee shop while we’re supposed...
In oal_memory.h: #define oalpatova(pa,c) (void *)(((c)?(pa)|0x80000000:(pa)|0xa0000000) Defined in eboot: volatile s3c2450_ioport_reg *s2450iop=(s3c2450_ioport_reg *)oalpatova(S3C2450_BASE_REG_PA_IOPO...
Sorry, I'm a newbie and I don't understand a lot, please forgive me.I recently wanted to use an SD card to make a USB flash drive. I want to encrypt the data before writing it to the SD card, and then...
There are three types of mobile TV: one is based on analog TV broadcasting network, another is based on mobile communication network, and the other is based on digital broadcasting network. The f...[Details]
I. Introduction
Since RS232 has a short communication distance (only 15 meters according to EAT/TAI-232 standard), and can only perform point-to-point communication, it cannot directly f...[Details]
Digital array radar (DAR) uses digital beam forming (DBF) in both receiving and transmitting modes to achieve flexible distribution and reception of RF signal power in the airspace, obtain excellent t...[Details]
Toyohashi University of Technology demonstrated electric field coupled wireless power supply technology using life-size car tires and roads at the wireless technology exhibition "Wireless Technolog...[Details]
The concept of state machine
State machine is an important concept in software programming. More important than this concept is its flexible application. In a clear and efficient program, ther...[Details]
TC9012F is a universal CMOS large-scale integrated circuit for infrared remote control signal transmission, suitable for remote control of TV, VTR, laser player and other equipment. In the market, ...[Details]
1. When the slip speed regulating motor is undergoing frequency conversion and energy saving transformation, the original excitation box (referred to as the speed regulating box) and the original s...[Details]
The installation locations of DC-DC converters are relatively scattered. DC-DC converters can be found on the power board, main board, logic control board and other circuit boards of PDP color TVs....[Details]
introduction
The Steyr diesel engine produced by Weifang Diesel Engine Factory has huge power and is one of the main power models widely used in China's heavy machinery and large trucks. In ...[Details]
Introduction
Zero-IF receivers are not new; they have been in use for some time, with cellular handsets being a key application area. However, their use in high-performance receivers such as...[Details]
During the operation of electronic equipment,
memory
failure or failure will not only lead to economic losses, but also may lead to catastrophic consequences. Therefore, memory testing has ...[Details]
0 Introduction
The traditional measurement method of measuring gravity acceleration by a simple pendulum in university physics experiments generally uses a mechanical stopwatch for manual timing and...[Details]
Semiconductor devices used in high-end computing (advanced microprocessors) and consumer electronics (graphics and gaming chipsets) devices generally provide data rates up to 6.4Gbps through high-s...[Details]
In the process of designing electronic products, we usually control the cost of the designed products, always try to simplify the circuit, reduce the components, and simplify the installation process....[Details]
System Introduction
The converter remote data transmission system must collect converter signals distributed in various workshops and send them to the central control room. Wuhan Iron and Stee...[Details]
Embedded System
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