[size=4] Hybrid beamforming, such as shown in the figure, will be the preferred architecture for 5G systems operating at microwave and millimeter wave frequencies. This architecture uses a combination...
Experts, I used gal16v8 to draw a schematic diagram to make a logic these days. In the middle, I used the output of a DF trigger as an intermediate variable. Why did the compiler say Cannot assign out...
When using SKYPE to make a call on a PDA running WINCE 5.0, the sound comes out of the speaker both when using SKYPE and when not using SKYPE. I want the speaker to be turned off and the sound to come...
[align=left][color=#000]Choosing the right amplifier always involves making tradeoffs between system type, cost, and performance. Device performance includes audio performance, thermal performance, an...
USB 2.0 has three speeds: LS (Low Speed) 1.5Mbps FS (Full Speed) 12Mbps HS (High Speed) 480Mbps LS is mainly used in low-end keyboards and mice. The actual speed is very low. It is not recommended exc...
A new journey has begun in 2022. EEWorld community and Pingtouge invite you to build the RISC-V ecosystem and participate in the RVB2601 open source creative application collection activity. A total o...
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]
Due to the significant increase in electronic devices in automotive and industrial applications, the automotive and industrial markets continue to play an important role in China's electronics in...[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]
Battery life is critical for portable applications. For applications such as smoke detectors, security devices, and thermostats, factory-installed batteries need to last for more than 10 years. The...[Details]
The data collector of the automatic weather station is generally designed based on a single-chip microcomputer or a PC/104 bus controller. It has the characteristics of good compatibility with PC, low...[Details]
1. Background:
The instrument system parameter detection and control of the chemical production workshop of Tangshan Coal Gas Coking Plant are all analog instruments, some of which are eve...[Details]
Product series: PB-B-RS232/485 interface (hereinafter sometimes referred to as "interface") is a product in the PROFIBUS bus bridge series.
The main purpose of the bridge series ...[Details]
0 Introduction
Ultrasonic waves
are mechanical waves with a frequency of more than 20KHz, and the propagation speed in the air is about 340 m/s (at 20°C). Ultrasonic waves can be gene...[Details]
The above is to use MB1404 as a stereo composite signal transmitter. You can use the internal high-frequency amplifier and oscillator or not! According to my experience, I still recommend beginners...[Details]
Cars equipped with xenon headlights are already common on the road. Whether they are standard equipment on high-end cars or embellishments on modified cars, xenon lamps are gradually becoming a sym...[Details]
The emergence and development of street lamps are inseparable from the prosperity and progress of cities, which makes street lamps useful. Conversely, street lamps also make the night of the city n...[Details]
Dual Tone MultiFrequency (DTMF) signaling is gradually being used in push-button telephones around the world. It quickly replaced the dial pulse signaling used in traditional rotary phones because ...[Details]
With the explosive growth of electronic functions in cars, will more and more luxurious cars endanger the safety of passengers? This is the origin of the problem of over-electrification of cars. What ...[Details]
(1) Open circuit voltage of the battery
(2) Internal resistance of the battery
(3) Battery operating voltage
(4) Charging voltage
Charging voltage refers to the voltage applied ...[Details]
Voltage hysteresis is a characteristic of lithium-ion battery and the basis of its existence. The principle is as follows: the thionyl chloride electrolyte of the battery is a strong oxidizing chem...[Details]
RF/Wirelessly
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