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MediaTek is working hard to develop envelope tracking technology. Aiming at the market opportunities of Long Range Evolution (LTE) in mainland China, MediaTek not only announced that it will launch q...[Details]
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The pointer scale value increases from right to left, so when reading, if the pointer happens to point on the scale line, just read it directly; if it is not on the scale line, read the nearest scale...[Details]
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The LPC2106/2105/2104 include three external interrupt inputs (EINT0 EINT1 EINT2) that can be used to wake up the processor from Power-down mode. Peripheral Power Control Register (PCONP – 0xE01FC0C...[Details]
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For the inverter,
the circuit
structure is mainly composed of rectification
circuit
, current limiting circuit, filter circuit, braking circuit,
inverter circuit
and detecti...[Details]
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Problem Description The control system uses the STM32F4+UCOSII preemptive kernel. Recently, there has been a problem that the operating system dies directly after the program has run for a period of ...[Details]
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Abstract: The latest low on-resistance MOSFET power tube IRFPS37N50A launched by IR Company enables the full-bridge converter to achieve a soft-switching power supply with a single-machine outpu...[Details]
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/************************************************************ Experiment name: Clock chip DS12C887 driver program Crystal oscillator: internal 8M Wiring method: 1. PD port co...[Details]
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Contents The invention relates to the field of ultrasonic flow meter measurement, and in particular to an accurate measurement method of an ultrasonic flow meter using a time difference method. Bac...[Details]
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The one using is stm32f103rct6. I am currently writing a program that uses a single timer to capture 4-channel PWM waves. I have to change the detection edge in the interrupt function and manually ca...[Details]
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Digital filtering is often used in AD acquisition, and different filtering requirements exist in different situations. Here is an analysis of the procedures and advantages and disadvantages of 10 clas...[Details]
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#include reg51.h //header file sbit LED=P2^0; //bit definition LED light void Timer0()//Processing function using the timing counter, used as a timer { TMOD=0x01; //Timer 0, mode 1 TH0=0xFC; //in...[Details]
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What is the mechanical loss of the motor?
(1) Copper loss: stator copper loss; rotor copper loss; stray loss.
(2) Core loss.
(3) Mechanical loss: ventilation loss; friction loss.
...[Details]
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How to use ACE in Python or MATLAB to quickly evaluate data converters
summary
The evaluation board (EVB) and its accompanying software feature plug-and-play functiona...[Details]
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1. IGBT Introduction
The normal operating frequency of IGBT is 10-20kHz, and its switching speed is much faster than GTO and IGCT. It is a better choice in AC motor variable frequency speed re...[Details]
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1 Introduction
LED is called the fourth generation of lighting source or green light source. The light-emitting device of LED is a cold light source, which has the characte...[Details]