[b]I would like to ask about this automatic cycle [url=http://bbs.elecfans.com/zhuti_dianlu_1.html]circuit[/url] on the Internet. 1. Please explain in detail the working principle of this circuit. 2. ...
1. Introduction to capacitive fingerprint sensors Capacitive fingerprint sensors are the mainstream semiconductor fingerprint sensors on the market. The earliest capacitive fingerprint sensor was the ...
[i=s]This post was last edited by QWE4562009 on 2022-9-29 10:28[/i]Full-bridge converter circuit1. What are the functions of R22, R23, R28, and R29?2. What are the functions of T9 and T10? Can't we us...
At present, I have preliminarily browsed the following datesheet, with the aim of having a general idea of the relevant functional modules so that I will know what to use when I encounter them in subs...
Hey guys, I want to make a measuring instrument now, and I need two high-precision voltage regulators. The requirements are as follows: The first one: the voltage is between 0.5v and 1V The second one...
I've been studying 28027's FLASH remote update recently, referring to the 2812's "TMS320F281x Boot ROM Serial Flash Programming" document. By comparison, I found that the CKFA programs of 28027 and 28...
The radio frequency identification (RFID) market is experiencing strong growth, with sales reaching $1.7 billion in 2004 and expected to reach $5.9 billion in 2008. This surge in demand is driven b...[Details]
1 Introduction
The integration of sensor technology and RFID has just started. As one of the world's major manufacturing and consumer countries, China should seize this opportunit...[Details]
The circuit shown in the figure is a three-digit tachometer used to measure low frequency signals with a repetitive time interval of 0.235 to 15 seconds. The tachometer has a speed range of 4 to 255 r...[Details]
PCI (Perip heral Component Interconnect) is an advanced high-performance 32/64-bit local bus that supports linear burst transmission and has a maximum data transmission rate of 132MB/s. At the same...[Details]
As mobile phones have evolved from simple voice communication tools to multimedia devices that integrate communication, imaging, and gaming, application processors are replacing baseband chips as t...[Details]
AD8302
Introduction
AD8302 is a monolithic integrated circuit for RF/IF amplitude and phase measurement from ADI. It is mainly composed of two precisely matched broadband logarithmic det...[Details]
0 Introduction
SAA7111 is a programmable video processor produced by Philips. The chip integrates A/D and decoding functions. It has phase lock, automatic clamp, automatic gain control, cl...[Details]
introduction
The fall detector is suitable for elderly people and children with poor self-care and self-protection abilities. It senses changes in the body posture of the individual wearing th...[Details]
Broadband services supporting triple play voice, video and data are evolving for first mile customers (small businesses and homes). A key factor in this FTTx evolution is GPON (Gigabit Passive Opti...[Details]
introduction
In engineering practice, ultrasonic waves are often used to measure distances because of their strong directivity, slow energy consumption, and long propagation distance in th...[Details]
Preface
In recent years, many compact portable electronic products have been developed, such as mobile phones, digital cameras, MP3, MP4, PDA, GPS and DVD, etc. They are not only small in size...[Details]
This article will discuss a common problem in wireless mobile data reception.
Problems facing RF receivers
The common problem faced by RF receivers is that the same hardware must be used ...[Details]
MIPS Technologies Inc. has introduced the CI10084tg, a next-generation global positioning system (GPS) RF tuner IP solution. The silicon-proven, integrated low-noise RF front end for GPS receivers...[Details]
AD604 is a product of Analog Devices (AD). Compared with similar products, AD604 has the characteristics of ultra-low noise, high precision, continuously adjustable gain, and the decibel (dB...[Details]
Multimedia communication terminal equipment has a wide range of application prospects and can be applied to various fields such as video conferencing, videophone, PDA, digital television, etc. Therefo...[Details]