The CH368 portable searchlight has strong focusing ability, high brightness and an effective range of up to 1000 meters.
Performance characteristics: *Irradiation distance: strong focusing, high brigh...
[b]Why does the board use internal RC, external pins OSCIN, OSCOUT plus two capacitors CL1 and CL2, and why does it cause reset from time to time? [/b] [[i] This post was last edited by kgdfntxgt on 2...
What is the principle of interlaced de-jittering in image processing? The video signal is input from HDMI and passes through the front-end chip for interlaced de-jittering. What is the principle of in...
[b]If you have any friends, please don't download it. If you don't have any friends, you can take a look at it carefully. There are many examples. Here is a book, "100 Examples of OP Amplifier Applica...
"Sometimes hard work does not necessarily pay off", this is a simple yet profound truth that people often say. Therefore, learning requires not only diligence and perseverance, but more importantly, i...
How to generate a random number in VHDL?
Answer: The simplest way is:
A multi-bit register counts at a high-speed clock, and a button is set outside. Release the button to count, press the button to p...
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]
Abstract: Based on the research of the communication process between the reader and the RFID tag, combined with the EPC C1G2 protocol and ISO/IEC18000.6 protocol, a digital circuit of RFID tag appl...[Details]
0 Introduction
At present, the analysis of intra-pulse signals in pulse radar has always been a hot topic and difficulty in research. How to measure the intra-pulse carrier frequency more ...[Details]
Lithium-ion batteries have a high energy-to-weight and energy-to-volume ratio, no memory effect, can be recharged many times, have a long service life, and are becoming increasingly cheaper. A good...[Details]
Overview
In recent years, the vigorous development of integrated circuits has created a huge space for the research and application of digital circuits. FPGA has low power consumption, high re...[Details]
Introduction
The MAX2116 P1db data is measured at specific combinations of RF and baseband gain over the adjustable range of these two gains. These data can be used to select gain control se...[Details]
IPTV (Internet Protocol TV or Interactive Personal TV), also known as interactive network television, is a new technology that uses broadband network infrastructure, takes home televisions or comp...[Details]
In the process of RF transceiver application, adjusting the processing gain (PG) of the direct sequence spread spectrum communication system (DSSS) can obtain excellent anti-noise performance, whic...[Details]
Portable products are generally powered by batteries. Due to cost and size considerations, there is a trend to reduce the number and size of batteries used in design. If the number of batteries is ...[Details]
0Introduction
Microactuators, as driving components of microelectromechanical systems (MEMS), have been widely studied. In recent years, actuators made of hard magnetic and soft magnetic m...[Details]
1 Introduction
In many communication systems, the base station usually sends a training sequence for the terminal to synchronize with the system. The synchronization here includes time syn...[Details]
Currently, there are huge differences in market analysis statistics for high-brightness LEDs (light-emitting diodes). Despite the divergence of forecasts, one trend is clear: the high-brightness (H...[Details]
"Where am I? Where am I going? Where is he/she? How far is he/she from me?..." Do you often have such questions like me? In fact, who can deny that these are questions that we often think about, ev...[Details]
Biometric authentication technology replaces the traditional methods of using keys, ID cards, passwords, etc. for personal identification, and can be widely used in access management in bank...[Details]
0 Introduction
The PTZ controller designed with a single-chip microcomputer as the core can control the camera to move over a large range and at a wide angle in monitoring situations, so t...[Details]