Why can antennas transmit and receive radio signals?
Since Hertz and Marconi invented the antenna, it has played an increasingly important role in human social life. The antenna is an important radio ...
Requirements: 1. Develop new automotive customers, mainly foreign-funded and joint venture OEMs or OEMs, to improve the current situation of unsaturated orders and low utilization rate of the factory....
This post collects some winning works of the 2012 competition, all of which can be downloaded directly without points. [/size] [size=4] [/size] [size=4][list] [*][url=https://download.eeworld.com.cn/s...
Lantern fish in the chip house. The author wants to share it with the forum friends to discuss. This product is estimated to be a hit. If it can work...
I saw the following code when looking at the lowlevel_init.S file of U-BOOT:
lowlevel_init:
ldr r0, =SMRDATA
ldr r1, _TEXT_BASE
sub r0, r0, r1
ldr r1, =BWSCON
add r2, r0, #13*4
0:
ldr r3, , #4...[Details]
Summer is here, the weather is getting hotter and hotter, and most people will turn on the air conditioner when they drive on the road. At the same time, summer is also the peak period for car air co...[Details]
NXP has provided chips for more than one-third of hearing aids on the market over the past two decades, and has been working hard to promote the development of the hearing aid market. The NXH...[Details]
By understanding the current D of the switch tube V and the freewheeling diode D (see Figures d and e), the loss and efficiency of the circuit can be calculated. If the conduction voltage drop is z...[Details]
First of all, today is a happy day, because after four days of hard work, I finally successfully ported U-Boot1.3.4 to s3c2416. The board requires SD card boot. The specific porting steps are ...[Details]
A new OPPO phone with model number "PEUM00" has been certified by the Ministry of Industry and Information Technology. A well-known whistleblower (@WHYLAB) said that this phone is the company's first...[Details]
I believe many people have had a feeling recently that the large number of cross-border car manufacturers in the past two years has suddenly disappeared. The reason is very simple. The industry thr...[Details]
UC3844 UC3845 is a high-performance fixed-frequency current mode controller designed for offline and DC-to-DC converter applications, providing designers with cost-effective solutions with minimal ...[Details]
Mouser Electronics , the semiconductor and electronic component distributor focused on introducing new products and offering the widest possible inventory, is now stocking the TLE5501 XENSIV™ magneti...[Details]
I have been in contact with microcontrollers for a long time, but I have always been at a very basic level. I took a few courses in undergraduate studies, but I have never tinkered with microcontroll...[Details]
From the establishment of 5G commercial use to the acceleration of 5G infrastructure, the demand for key materials and components under the 5G order has entered a period of rapid growth. Among them, ...[Details]
The Digital China Innovation Competition is an important supporting event of the Digital China Summit. It is jointly hosted by multiple national ministries and Fujian Province. It ...[Details]
Abstract: According to the survey, the infusion speed and volume in large, medium and small hospitals and their subordinate community health centers, clinics and other medical institutions in my count...[Details]
For the production of
LED chips
, the selection of substrate materials is the primary consideration. The appropriate substrate should be selected according to the requirements of th...[Details]
Mitsubishi PLC FX3U series is a very popular small PLC with high performance, high reliability, ease of use, etc. In practical applications, remote I/O settings are one of the common requirements.
...[Details]