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It can be seen from formula GS0512 that in order to improve the common-mode rejection ratio of the differential amplifier circuit , the common-mode negative feedback resistance Re must be increa...[Details]
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Puyuan Precision Technology Co., Ltd. was established in 1998. It is one of the earliest domestic oscilloscopes. In 21 years, RIGOL has been adhering to the spirit of craftsmanship. The products desi...[Details]
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Serial communication is of great significance to the single-chip microcomputer. It can not only transmit the data of the single-chip microcomputer to the computer, but also realize the control of ...[Details]
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MATLAB is a high-performance scientific and engineering computing software developed by MathWorks in the United States. With its powerful scientific computing and drawing functions, a large numbe...[Details]
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Arbitrary waveform generator is one of the most widely used general instruments in the field of modern electronic testing. Its function is much stronger than that of function generator. It can genera...[Details]
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Apple spent $36.13 billion on semiconductors last year, surpassing Samsung to become the world's largest semiconductor buyer. According to statistics from research firm Gartner, global semicond...[Details]
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The physical picture produced is as follows: The circuit schematic is as follows: Schematic 1. Introduction of the work Based on 51 single chip microcomputer, ultrasonic sensor is used to mea...[Details]
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According to foreign media GSMArena, the FCC certification information of Samsung's upcoming Galaxy A03s mobile phone was recently exposed. The certification information shows that the phone ha...[Details]
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In 2019, more than one-third of global mobile users used 4G technology, and 5G accounted for less than 3% of the total. This means that 5G still has a long way to go before it can be adopted by the m...[Details]
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According to foreign media reports, a serious fire broke out at Notre Dame de Paris in France on the afternoon of the 15th local time. The spire of this sacred church building described by Hugo colla...[Details]
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The Cortex-M3 is different from other ARM series processors in that its memory mapping table is fixed during kernel design and cannot be changed by chip manufacturers. Cortex-M3 has pre...[Details]
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How to use the inverter and adjust its parameters
The inverter is a power supply device used to adjust the speed of asynchronous motors. According to the formula of speed n=60f/p(1-s), the inv...[Details]
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How to judge whether the aluminum electrolytic capacitor is damaged? Aluminum electrolytic capacitors can be divided into high-frequency electrolytic capacitors and ordinary electrolytic capacitors a...[Details]
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;For reference only cn_f__12308.c
; Lu Zeyang
while(1) /////////////////////////////
{
ADDRESS2=0x01;
ADDRESS1= 0x00;
for(i=0;i 14;i++)
{
save_char(ADDRESS1,ADDRESS2...[Details]
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1. Preparation of startup documents
$ NOMOD51 ; Ax51 macro assembler control command: disable predefined 8051
; Customize the storage area that needs to be initialized after power-on
...[Details]
Microcontroller MCU
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