I will be attending graduate school in the second half of the year. My supervisor's research direction is multifunctional materials for miniaturized mobile terminal antennas, filters, microwave device...
I have been struggling for more than a week and still don't understand, so I am posting this. I am required to write an IMGENC and an IMGDEC. I would like to ask a few questions as follows: 1. The inf...
The nominal 0°C voltage and temperature coefficient with the corresponding tolerance range are provided in the data sheet . The nominal 0°C voltage is specified as 986mV with a maximum error of +/- 5%...
AT91SAM9261 is a new ARM9 32-bit processor launched by Atmel. A simple comparison is made between it and the commonly used 32-bit processor S3C2410 to illustrate its superior performance. AT91SAM9261 ...
I simulated a negative impedance converter in Multisim, but the circuit did not show negative impedance characteristics. Why? The picture shows the circuit and DC characteristics, with the current pro...
The TPS92210 is a single-stage LED lighting pulse width modulation (PWM) controller. The TRIAC dimmable solution not only regulates the LED current, but also achieves a power factor close to 1. The...[Details]
Only a small number of LED manufacturers can produce high-quality LEDs. For applications that are only used for simple indication, low-quality LEDs are sufficient. However, high-quality LEDs must...[Details]
1. Introduction
With the increasing popularity of fully automatic washing machines, consumers have higher and higher requirements for their environmenta...[Details]
Introduction
In industrial control, speed measurement is often required. Generally, a contact tachometer is used. This tachometer must be placed against the center of the shaft to measure. It...[Details]
Car lights, whether headlights, fog lights or tail lights, play an important role in driving safety. However, the material of the car lights determines that the probability of damage in a collision...[Details]
Currently, the commonly used solar cell technologies include monocrystalline silicon solar cells and polycrystalline silicon thin-film solar cells. Production process: Monocrystalline silicon solar...[Details]
Nowadays, more and more people have digital cameras. The convenience and speed of digital cameras have gradually replaced film cameras and become the main tool for people's daily photography. The n...[Details]
TMC428 is a stepper motor motion controller from TRINAMIC. It can reduce the workload of motor control software design and development costs. The 3-axis stepper motor drive control system based on ...[Details]
System Block Diagram
The system uses DSP56F826 chip as the core control module and CMOS digital image sensor chip. The image acquisition resolution can reach 640×480 pixels. When high-re...[Details]
The coking workshop of Tianjin No. 2 Gas Plant is the core of the whole plant's production and an important source of economic and social benefits. Its production automation level and management an...[Details]
We often step over automatic doors in our daily lives. For the most part, we only notice them when they are not working. Swiss automatic door manufacturer Kaba Gilgen, together with the process con...[Details]
1. Composition of product standard system
LED is a new type of lighting appliance product. LED products include the LED itself, the supporting control devices and the lighting products that us...[Details]
The on-chip power supply circuit is a power module integrated inside the semiconductor chip. Its main function is to obtain electrical energy from an external power supply (such as 220V mains electric...[Details]
1. Introduction
With the rapid development of modern industry, multi-motor AC control systems have been widely used in papermaking, chemical, steel, food and other industrial fields, and h...[Details]
1 Introduction to Wireless Broadband Communications
Since the IEEE802 working group formulated the 802-11 wireless LAN standard in 1997, wireless broadband communication based on WLAN technolo...[Details]
RF/Wirelessly
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